diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 00000000..dc8bb6aa
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @DataDog/dd-trace-js @DataDog/libdatadog
diff --git a/.github/actions/build-test-wasm/action.yaml b/.github/actions/build-test-wasm/action.yaml
new file mode 100644
index 00000000..90cafd52
--- /dev/null
+++ b/.github/actions/build-test-wasm/action.yaml
@@ -0,0 +1,39 @@
+name: 'Build/Test WASM'
+description: 'A simple composite GitHub Action sets-up WASM; then test & build relevant crates'
+inputs:
+  crate:
+    description: 'The crate name. Must be in ./crates'
+    required: true
+runs:
+  using: 'composite'
+  steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+      - name: Setup Node.js
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+      - run: yarn install
+        shell: bash
+      - name: Install wasm-pack
+        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+        shell: bash
+      - name: Build WASM
+        run: |
+          mkdir -p ./prebuilds/${{ inputs.crate }}
+          wasm-pack build --target nodejs ./crates/${{ inputs.crate }} --out-dir ../../prebuilds/${{ inputs.crate }}
+        shell: bash
+      - name: Test WASM
+        # The pipeline crate's tests are top-level node:test suites that need
+        # --test-force-exit (the wasm exporter keeps the event loop alive after
+        # a flush); the other wasm crates use plain test/wasm/<crate>/ scripts.
+        run: |
+          if [ "${{ inputs.crate }}" = "pipeline" ]; then
+            node --test --test-force-exit test/pipeline.js
+          else
+            node test-wasm.js ${{ inputs.crate }}
+          fi
+        shell: bash
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: prebuilds-wasm-${{ inputs.crate }}
+          if-no-files-found: ignore
+          path: ./prebuilds/*
diff --git a/.github/chainguard/self.github.release.push-tags.sts.yaml b/.github/chainguard/self.github.release.push-tags.sts.yaml
new file mode 100644
index 00000000..e8074403
--- /dev/null
+++ b/.github/chainguard/self.github.release.push-tags.sts.yaml
@@ -0,0 +1,12 @@
+issuer: https://token.actions.githubusercontent.com
+
+subject: repo:DataDog/libdatadog-nodejs:environment:npm
+
+claim_pattern:
+  event_name: push
+  job_workflow_ref: DataDog/libdatadog-nodejs/\.github/workflows/release\.yml@refs/heads/v[0-9]+\.x
+  ref: refs/heads/v[0-9]+\.x
+  repository: DataDog/libdatadog-nodejs
+
+permissions:
+  contents: write
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..abe2e959
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,70 @@
+# Dependabot version updates
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 5
+      exclude:
+        - "@datadog/*"
+    groups:
+      gh-actions-packages:
+        patterns:
+          - "*"
+
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    versioning-strategy: "increase"
+    labels:
+      - dependabot
+      - dependencies
+      - javascript
+      - semver-patch
+    groups:
+      patch-updates:
+        update-types:
+          - "patch"
+      minor-updates:
+        update-types:
+          - "minor"
+
+  - package-ecosystem: "npm"
+    directory: "/test/crashtracker"
+    schedule:
+      interval: "weekly"
+    versioning-strategy: "increase"
+    labels:
+      - dependabot
+      - dependencies
+      - javascript
+      - semver-patch
+    groups:
+      patch-updates:
+        update-types:
+          - "patch"
+      minor-updates:
+        update-types:
+          - "minor"
+
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    labels:
+      - dependabot
+      - dependencies
+      - rust
+      - semver-patch
+    groups:
+      patch-updates:
+        update-types:
+          - "patch"
+      minor-updates:
+        update-types:
+          - "minor"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 69903b13..de179fb7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,14 +7,45 @@ on:
       - main
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+      - run: yarn install
+      - run: yarn install
+        working-directory: test/crashtracker
+      - run: yarn lint
+
+  build-test-wasm:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        crate:
+          - library_config
+          - datadog-js-zstd
+          - pipeline
+          - sketches
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - name: 'Use composite action'
+        uses: ./.github/actions/build-test-wasm
+        with:
+          crate: '${{ matrix.crate }}'
+
   build:
     uses: Datadog/action-prebuildify/.github/workflows/build.yml@main
+    needs: build-test-wasm
     with:
-      package-manager: 'npm'
+      package-manager: 'yarn'
       cache: false
-      min-node-version: 14
+      min-node-version: 18
       rust: true
-      only: linux-arm64,linux-x64,linuxmusl-arm64,linuxmusl-x64
+      only: darwin-arm64,darwin-x64,linux-arm64,linux-x64
+      # Need this, now that libdatadog packages libunwind as a submodule
+      prebuild: '(command -v apk >/dev/null && apk add autoconf automake libtool) || (command -v apt-get >/dev/null && apt-get update && apt-get install -y autoconf automake libtool) || true'
+
   package-size:
     runs-on: ubuntu-latest
     needs: build
@@ -22,11 +53,11 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/download-artifact@v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-      - run: yarn
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+      - run: yarn install
       - name: Compute module size tree and report
         uses: qard/heaviest-objects-in-the-universe@v1
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 56955405..7533785d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,28 +5,65 @@ on:
     branches:
       - v0.x
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
-  cancel-in-progress: true
-
 jobs:
+  build-test-wasm:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        crate:
+          - library_config
+          - datadog-js-zstd
+          - pipeline
+          - sketches
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - name: 'Use composite action'
+        uses: ./.github/actions/build-test-wasm
+        with:
+          crate: '${{ matrix.crate }}'
+
+  build:
+    uses: Datadog/action-prebuildify/.github/workflows/build.yml@main
+    needs: build-test-wasm
+    with:
+      package-manager: 'yarn'
+      cache: false
+      min-node-version: 18
+      rust: true
+      only: darwin-arm64,darwin-x64,linux-arm64,linux-x64
+
   publish:
     runs-on: ubuntu-latest
+    needs: build
     environment: npm
-    env:
-      NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+    permissions:
+      id-token: write  # Required for OIDC
+      contents: read
     outputs:
       pkgjson: ${{ steps.pkg.outputs.json }}
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v3
+      - uses: DataDog/dd-octo-sts-action@96a25462dbcb10ebf0bfd6e2ccc917d2ab235b9a # v1.0.4
+        id: octo-sts
+        with:
+          scope: DataDog/libdatadog-nodejs
+          policy: self.github.release.push-tags
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false # drop GITHUB_TOKEN so the dd-octo-sts token is used for the tag push
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          name: prebuilds
+          path: prebuilds
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
+          node-version: '24'
           registry-url: 'https://registry.npmjs.org'
+      - run: chmod -R +x ./prebuilds
       - run: npm publish
       - id: pkg
         run: |
           content=`cat ./package.json | tr '\n' ' '`
-          echo "::set-output name=json::$content"
+          echo "json=$content" >> $GITHUB_OUTPUT
       - run: |
           git tag v${{ fromJson(steps.pkg.outputs.json).version }}
-          git push origin v${{ fromJson(steps.pkg.outputs.json).version }}
+          git push https://x-access-token:${{ steps.octo-sts.outputs.token }}@github.com/${{ github.repository }}.git v${{ fromJson(steps.pkg.outputs.json).version }}
diff --git a/.yarnrc b/.yarnrc
new file mode 100644
index 00000000..4f14322d
--- /dev/null
+++ b/.yarnrc
@@ -0,0 +1 @@
+--ignore-engines true
diff --git a/Cargo.lock b/Cargo.lock
index 547dde88..658e86be 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,260 +1,264 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
-name = "addr2line"
-version = "0.22.0"
+name = "adler2"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e4503c46a5c0c7844e948c9a4d6acd9f50cccb4de1c48eb9e291ea17470c678"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
+[[package]]
+name = "aho-corasick"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
 dependencies = [
- "gimli 0.29.0",
+ "memchr",
 ]
 
 [[package]]
-name = "adler"
-version = "1.0.2"
+name = "allocator-api2"
+version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
 
 [[package]]
-name = "ahash"
-version = "0.7.8"
+name = "android_system_properties"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
 dependencies = [
- "getrandom",
- "once_cell",
- "version_check",
+ "libc",
 ]
 
 [[package]]
-name = "aho-corasick"
-version = "1.1.3"
+name = "anyhow"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
-dependencies = [
- "memchr",
-]
+checksum = "2a4385e2e34eb35d6b3efe798b9eb88096925d87726c0798709bf56d9ed84af3"
 
 [[package]]
-name = "android-tzdata"
-version = "0.1.1"
+name = "arc-swap"
+version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+checksum = "6a3a1fd6f75306b68087b831f025c712524bcb19aad54e557b1129cfa0a2b207"
+dependencies = [
+ "rustversion",
+]
 
 [[package]]
-name = "android_system_properties"
-version = "0.1.5"
+name = "async-trait"
+version = "0.1.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
- "libc",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
-name = "anyhow"
-version = "1.0.86"
+name = "atomic-waker"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
 [[package]]
 name = "autocfg"
-version = "1.3.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
 [[package]]
 name = "aws-lc-rs"
-version = "1.8.1"
+version = "1.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ae74d9bd0a7530e8afd1770739ad34b36838829d6ad61818f9230f683f5ad77"
+checksum = "0ec6fb3fe69024a75fa7e1bfb48aa6cf59706a101658ea01bfd33b2b248a038f"
 dependencies = [
  "aws-lc-sys",
- "mirai-annotations",
- "paste",
  "zeroize",
 ]
 
 [[package]]
 name = "aws-lc-sys"
-version = "0.20.1"
+version = "0.40.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f0e249228c6ad2d240c2dc94b714d711629d52bad946075d8e9b2f5391f0703"
+checksum = "f50037ee5e1e41e7b8f9d161680a725bd1626cb6f8c7e901f91f942850852fe7"
 dependencies = [
- "bindgen",
  "cc",
  "cmake",
  "dunce",
  "fs_extra",
- "libc",
- "paste",
 ]
 
 [[package]]
-name = "backtrace"
-version = "0.3.73"
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
+[[package]]
+name = "bitflags"
+version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cc23269a4f8976d0a4d2e7109211a419fe30e8d88d677cd60b6bc79c5732e0a"
+checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
+
+[[package]]
+name = "blazesym"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48ceccc54b9c3e60e5f36b0498908c8c0f87387229cb0e0e5d65a074e00a8ba4"
 dependencies = [
- "addr2line",
- "cc",
- "cfg-if",
+ "cpp_demangle 0.5.1",
+ "gimli",
  "libc",
+ "memmap2",
  "miniz_oxide",
- "object",
  "rustc-demangle",
 ]
 
 [[package]]
-name = "base64"
-version = "0.21.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
-
-[[package]]
-name = "base64"
-version = "0.22.1"
+name = "block-buffer"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
 
 [[package]]
-name = "bindgen"
-version = "0.69.4"
+name = "block2"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
+checksum = "cdeb9d870516001442e364c5220d3574d2da8dc765554b4a617230d33fa58ef5"
 dependencies = [
- "bitflags",
- "cexpr",
- "clang-sys",
- "itertools",
- "lazy_static",
- "lazycell",
- "log",
- "prettyplease",
- "proc-macro2",
- "quote",
- "regex",
- "rustc-hash",
- "shlex",
- "syn 2.0.72",
- "which",
+ "objc2",
 ]
 
 [[package]]
-name = "bitflags"
-version = "2.6.0"
+name = "borrow-or-share"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+checksum = "dc0b364ead1874514c8c2855ab558056ebfeb775653e7ae45ff72f28f8f3166c"
 
 [[package]]
-name = "blazesym"
-version = "0.2.0-rc.0"
-source = "git+https://github.com/libbpf/blazesym.git?rev=v0.2.0-rc.0#2f393f66a448f46ea71889e81a8866799762463d"
-dependencies = [
- "cpp_demangle",
- "gimli 0.30.0",
- "libc",
- "miniz_oxide",
- "rustc-demangle",
-]
+name = "bumpalo"
+version = "3.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
 
 [[package]]
-name = "bumpalo"
-version = "3.16.0"
+name = "bytes"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
 [[package]]
-name = "byteorder"
-version = "1.5.0"
+name = "cadence"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+checksum = "5ca08f6db9f0c963249cf23a27820f9d973d2acaad4d6bfaeb858b58ebd58a6a"
+dependencies = [
+ "crossbeam-channel",
+]
 
 [[package]]
-name = "bytes"
-version = "1.7.1"
+name = "cast"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8318a53db07bb3f8dca91a600466bdb3f2eaadeedfdbcf02e1accbad9271ba50"
+checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.1.8"
+version = "1.2.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "504bdec147f2cc13c8b57ed9401fd8a147cc66b67ad5cb241394244f2c947549"
+checksum = "d16d90359e986641506914ba71350897565610e87ce0ad9e6f28569db3dd5c6d"
 dependencies = [
+ "find-msvc-tools",
  "jobserver",
  "libc",
+ "shlex",
 ]
 
 [[package]]
-name = "cexpr"
-version = "0.6.0"
+name = "cesu8"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
-dependencies = [
- "nom",
-]
+checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 
 [[package]]
 name = "cfg-if"
-version = "1.0.0"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
 
 [[package]]
 name = "chrono"
-version = "0.4.38"
+version = "0.4.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0"
 dependencies = [
- "android-tzdata",
  "iana-time-zone",
  "num-traits",
  "serde",
- "windows-targets 0.52.6",
+ "windows-link 0.2.1",
 ]
 
 [[package]]
-name = "clang-sys"
-version = "1.8.1"
+name = "cmake"
+version = "0.1.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
+checksum = "c0f78a02292a74a88ac736019ab962ece0bc380e3f977bf72e376c5d78ff0678"
 dependencies = [
- "glob",
- "libc",
- "libloading",
+ "cc",
 ]
 
 [[package]]
-name = "cmake"
-version = "0.1.50"
+name = "combine"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31c789563b815f77f4250caee12365734369f942439b7defd71e18a48197130"
+checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
 dependencies = [
- "cc",
+ "bytes",
+ "memchr",
 ]
 
 [[package]]
-name = "collector"
-version = "0.1.0"
+name = "console_error_panic_hook"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
 dependencies = [
- "collector 0.1.0 (git+https://github.com/DataDog/libdatadog.git?branch=rochdev/collector)",
- "neon",
+ "cfg-if",
+ "wasm-bindgen",
 ]
 
 [[package]]
-name = "collector"
-version = "0.1.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=rochdev/collector#c0ac24e3f58c7b27d50c7593ca9f465a32ac9682"
+name = "const_format"
+version = "0.2.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4481a617ad9a412be3b97c5d403fef8ed023103368908b9c50af598ff467cc1e"
 dependencies = [
- "hyper 0.14.30",
- "once_cell",
- "rmp",
- "rmp-serde",
- "serde",
- "serde_json",
- "tokio",
+ "const_format_proc_macros",
+ "konst",
+]
+
+[[package]]
+name = "const_format_proc_macros"
+version = "0.2.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d57c2eccfb16dbac1f4e61e206105db5820c9d26c3c472bc17c774259ef7744"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -268,9 +272,9 @@ dependencies = [
 
 [[package]]
 name = "core-foundation"
-version = "0.9.4"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -278,212 +282,121 @@ dependencies = [
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.8.6"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
 [[package]]
 name = "cpp_demangle"
-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e8227005286ec39567949b33df9896bcadfa6051bccca2488129f108ca23119"
+checksum = "f2bb79cb74d735044c972aae58ed0aaa9a837e85b01106a54c39e42e97f62253"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
-name = "crashtracker"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "datadog-crashtracker",
- "napi",
- "napi-derive",
-]
-
-[[package]]
-name = "crc32fast"
-version = "1.4.2"
+name = "cpp_demangle"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
+checksum = "0667304c32ea56cb4cd6d2d7c0cfe9a2f8041229db8c033af7f8d69492429def"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
-name = "ctor"
-version = "0.2.8"
+name = "cpufeatures"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edb49164822f3ee45b17acd4a208cfc1251410cf0cad9a833234c9890774dd9f"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
 dependencies = [
- "quote",
- "syn 2.0.72",
+ "libc",
 ]
 
 [[package]]
-name = "data-pipeline"
-version = "6.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=julio/nodejs-integration#bf883f325a716a3b28661224d496d31a3157abdf"
+name = "crashtracker"
+version = "0.2.0"
 dependencies = [
  "anyhow",
- "bytes",
- "datadog-trace-normalization",
- "datadog-trace-protobuf",
- "datadog-trace-utils",
- "ddcommon 6.0.0",
- "futures",
- "hyper 0.14.30",
- "log",
- "rmp-serde",
- "tokio",
+ "libdd-crashtracker",
+ "napi",
+ "napi-derive",
+ "rustls",
+ "serde_json",
 ]
 
 [[package]]
-name = "datadog-crashtracker"
-version = "12.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=main#16528ffee456f7af5fe9ad80a6294fb5dcd38918"
+name = "crossbeam-channel"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
 dependencies = [
- "anyhow",
- "backtrace",
- "blazesym",
- "chrono",
- "ddcommon 12.0.0",
- "ddtelemetry",
- "http 0.2.12",
- "hyper 0.14.30",
- "libc",
- "nix",
- "os_info",
- "page_size",
- "portable-atomic",
- "rand",
- "serde",
- "serde_json",
- "tokio",
- "uuid",
+ "crossbeam-utils",
 ]
 
 [[package]]
-name = "datadog-ddsketch"
-version = "12.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=main#16528ffee456f7af5fe9ad80a6294fb5dcd38918"
-dependencies = [
- "prost",
-]
+name = "crossbeam-utils"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
 [[package]]
-name = "datadog-trace-normalization"
-version = "6.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=julio/nodejs-integration#bf883f325a716a3b28661224d496d31a3157abdf"
+name = "crypto-common"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
 dependencies = [
- "anyhow",
- "datadog-trace-protobuf",
+ "generic-array",
+ "typenum",
 ]
 
 [[package]]
-name = "datadog-trace-protobuf"
-version = "6.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=julio/nodejs-integration#bf883f325a716a3b28661224d496d31a3157abdf"
+name = "ctor"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
 dependencies = [
- "prost",
- "serde",
- "serde_bytes",
+ "quote",
+ "syn",
 ]
 
 [[package]]
-name = "datadog-trace-utils"
-version = "6.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=julio/nodejs-integration#bf883f325a716a3b28661224d496d31a3157abdf"
+name = "datadog-js-zstd"
+version = "0.1.0"
 dependencies = [
- "anyhow",
- "datadog-trace-normalization",
- "datadog-trace-protobuf",
- "ddcommon 6.0.0",
- "flate2",
- "futures",
- "hyper 0.14.30",
- "hyper-rustls 0.23.2",
- "log",
- "prost",
- "rmp-serde",
- "serde",
- "serde_json",
+ "js-sys",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
+ "zstd",
 ]
 
 [[package]]
-name = "ddcommon"
-version = "6.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=julio/nodejs-integration#bf883f325a716a3b28661224d496d31a3157abdf"
+name = "debugid"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
 dependencies = [
- "anyhow",
- "futures",
- "futures-core",
- "futures-util",
- "hex",
- "http 0.2.12",
- "hyper 0.14.30",
- "hyper-rustls 0.23.2",
- "lazy_static",
- "log",
- "pin-project",
- "regex",
- "rustls 0.20.9",
- "rustls-native-certs 0.6.3",
- "serde",
- "tokio",
- "tokio-rustls 0.23.4",
+ "uuid",
 ]
 
 [[package]]
-name = "ddcommon"
-version = "12.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=main#16528ffee456f7af5fe9ad80a6294fb5dcd38918"
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "anyhow",
- "futures",
- "futures-core",
- "futures-util",
- "hex",
- "http 0.2.12",
- "hyper 0.14.30",
- "hyper-rustls 0.27.2",
- "hyper-util",
- "lazy_static",
- "log",
- "pin-project",
- "regex",
- "rustls 0.23.12",
- "rustls-native-certs 0.6.3",
- "serde",
- "static_assertions",
- "tokio",
- "tokio-rustls 0.26.0",
+ "block-buffer",
+ "crypto-common",
 ]
 
 [[package]]
-name = "ddtelemetry"
-version = "12.0.0"
-source = "git+https://github.com/DataDog/libdatadog.git?branch=main#16528ffee456f7af5fe9ad80a6294fb5dcd38918"
+name = "dispatch2"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e0e367e4e7da84520dedcac1901e4da967309406d1e51017ae1abfb97adbd38"
 dependencies = [
- "anyhow",
- "base64 0.22.1",
- "datadog-ddsketch",
- "ddcommon 12.0.0",
- "futures",
- "hashbrown 0.12.3",
- "http 0.2.12",
- "hyper 0.14.30",
- "io-lifetimes",
- "lazy_static",
- "pin-project",
- "regex",
- "serde",
- "serde_json",
- "sys-info",
- "tokio",
- "tokio-util",
- "tracing",
- "uuid",
+ "bitflags",
+ "objc2",
 ]
 
 [[package]]
@@ -492,26 +405,32 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
+
 [[package]]
 name = "either"
-version = "1.13.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 
 [[package]]
 name = "equivalent"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
 [[package]]
 name = "errno"
-version = "0.3.9"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -521,20 +440,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
 
 [[package]]
-name = "flate2"
-version = "1.0.31"
+name = "find-msvc-tools"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f211bbe8e69bbd0cfdea405084f128ae8b4aaa6b0b522fc8f2b009084797920"
+checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
+
+[[package]]
+name = "fluent-uri"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc74ac4d8359ae70623506d512209619e5cf8f347124910440dbc221714b328e"
 dependencies = [
- "crc32fast",
- "miniz_oxide",
+ "borrow-or-share",
+ "ref-cast",
+ "serde",
 ]
 
 [[package]]
-name = "fnv"
-version = "1.0.7"
+name = "foldhash"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
 [[package]]
 name = "fs_extra"
@@ -544,9 +470,9 @@ checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
 
 [[package]]
 name = "futures"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "645c6916888f6cb6350d2550b80fb63e734897a8498abe35cfb732b6487804b0"
+checksum = "8b147ee9d1f6d097cef9ce628cd2ee62288d963e16fb287bd9286455b241382d"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -559,9 +485,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eac8f7d7865dcb88bd4373ab671c8cf4508703796caa2b1985a9ca867b3fcb78"
+checksum = "07bbe89c50d7a535e539b8c17bc0b49bdb77747034daa8087407d655f3f7cc1d"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -569,15 +495,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
+checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a576fc72ae164fca6b9db127eaa9a9dda0d61316034f33a0a0d4eda41f02b01d"
+checksum = "baf29c38818342a3b26b5b923639e7b1f4a61fc5e76102d4b1981c6dc7a7579d"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -586,38 +512,38 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
+checksum = "cecba35d7ad927e23624b22ad55235f2239cfa44fd10428eecbeba6d6a717718"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
+checksum = "e835b70203e41293343137df5c0664546da5745f82ec9b84d40be8336958447b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.72",
+ "syn",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5"
+checksum = "c39754e157331b013978ec91992bde1ac089843443c49cbc7f46150b0fad0893"
 
 [[package]]
 name = "futures-task"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38d84fa142264698cdce1a9f9172cf383a0c82de1bddcf3092901442c4097004"
+checksum = "037711b3d59c33004d3856fbdc83b99d4ff37a24768fa1be9ce3538a1cde4393"
 
 [[package]]
 name = "futures-util"
-version = "0.3.30"
+version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
+checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -627,64 +553,90 @@ dependencies = [
  "futures-task",
  "memchr",
  "pin-project-lite",
- "pin-utils",
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "wasi",
+ "wasm-bindgen",
 ]
 
 [[package]]
-name = "gimli"
-version = "0.29.0"
+name = "getrandom"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi 5.3.0",
+ "wasip2",
+]
 
 [[package]]
-name = "gimli"
-version = "0.30.0"
+name = "getrandom"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2e1d97fbe9722ba9bbd0c97051c2956e726562b61f86a25a4360398a40edfc9"
+checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
 dependencies = [
- "fallible-iterator",
- "indexmap",
- "stable_deref_trait",
+ "cfg-if",
+ "libc",
+ "r-efi 6.0.0",
+ "wasip2",
+ "wasip3",
 ]
 
 [[package]]
-name = "glob"
-version = "0.3.1"
+name = "gimli"
+version = "0.32.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
+dependencies = [
+ "fallible-iterator",
+ "indexmap",
+ "stable_deref_trait",
+]
 
 [[package]]
 name = "hashbrown"
-version = "0.12.3"
+version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 dependencies = [
- "ahash",
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
 ]
 
 [[package]]
 name = "hashbrown"
-version = "0.14.5"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
 
 [[package]]
-name = "hermit-abi"
-version = "0.3.9"
+name = "heck"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "hex"
@@ -692,104 +644,57 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
-[[package]]
-name = "home"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
-[[package]]
-name = "http"
-version = "0.2.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "601cbb57e577e2f5ef5be8e7b83f0f63994f25aa94d673e54a92d5c516d101f1"
-dependencies = [
- "bytes",
- "fnv",
- "itoa",
-]
-
 [[package]]
 name = "http"
-version = "1.1.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21b9ddb458710bc376481b842f5da65cdf31522de232c1ca8146abce2a358258"
+checksum = "e3ba2a386d7f85a81f119ad7498ebe444d2e22c2af0b86b069416ace48b3311a"
 dependencies = [
  "bytes",
- "fnv",
  "itoa",
 ]
 
 [[package]]
 name = "http-body"
-version = "0.4.6"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
+checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
 dependencies = [
  "bytes",
- "http 0.2.12",
- "pin-project-lite",
+ "http",
 ]
 
 [[package]]
-name = "http-body"
-version = "1.0.1"
+name = "http-body-util"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
+checksum = "b021d93e26becf5dc7e1b75b1bed1fd93124b374ceb73f43d4d4eafec896a64a"
 dependencies = [
  "bytes",
- "http 1.1.0",
+ "futures-core",
+ "http",
+ "http-body",
+ "pin-project-lite",
 ]
 
 [[package]]
 name = "httparse"
-version = "1.9.4"
+version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fcc0b4a115bf80b728eb8ea024ad5bd707b615bfed49e0665b6e0f86fd082d9"
-
-[[package]]
-name = "httpdate"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
+checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
 
 [[package]]
 name = "hyper"
-version = "0.14.30"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a152ddd61dfaec7273fe8419ab357f33aee0d914c5f4efbf0d96fa749eea5ec9"
+checksum = "6299f016b246a94207e63da54dbe807655bf9e00044f73ded42c3ac5305fbcca"
 dependencies = [
+ "atomic-waker",
  "bytes",
  "futures-channel",
  "futures-core",
- "futures-util",
- "http 0.2.12",
- "http-body 0.4.6",
- "httparse",
- "httpdate",
- "itoa",
- "pin-project-lite",
- "socket2",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
-[[package]]
-name = "hyper"
-version = "1.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50dfd22e0e76d0f662d429a5f80fcaf3855009297eab6a0a9f8543834744ba05"
-dependencies = [
- "bytes",
- "futures-channel",
- "futures-util",
- "http 1.1.0",
- "http-body 1.0.1",
+ "http",
+ "http-body",
  "httparse",
  "itoa",
  "pin-project-lite",
@@ -800,68 +705,52 @@ dependencies = [
 
 [[package]]
 name = "hyper-rustls"
-version = "0.23.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1788965e61b367cd03a62950836d5cd41560c3577d90e40e0819373194d1661c"
-dependencies = [
- "http 0.2.12",
- "hyper 0.14.30",
- "rustls 0.20.9",
- "rustls-native-certs 0.6.3",
- "tokio",
- "tokio-rustls 0.23.4",
-]
-
-[[package]]
-name = "hyper-rustls"
-version = "0.27.2"
+version = "0.27.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee4be2c948921a1a5320b629c4193916ed787a7f7f293fd3f7f5a6c9de74155"
+checksum = "33ca68d021ef39cf6463ab54c1d0f5daf03377b70561305bb89a8f83aab66e0f"
 dependencies = [
- "futures-util",
- "http 1.1.0",
- "hyper 1.4.1",
+ "http",
+ "hyper",
  "hyper-util",
- "rustls 0.23.12",
- "rustls-native-certs 0.7.1",
- "rustls-pki-types",
+ "rustls",
  "tokio",
- "tokio-rustls 0.26.0",
+ "tokio-rustls",
  "tower-service",
 ]
 
 [[package]]
 name = "hyper-util"
-version = "0.1.7"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cde7055719c54e36e95e8719f95883f22072a48ede39db7fc17a4e1d5281e9b9"
+checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
 dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "http 1.1.0",
- "http-body 1.0.1",
- "hyper 1.4.1",
+ "http",
+ "http-body",
+ "hyper",
+ "libc",
  "pin-project-lite",
  "socket2",
  "tokio",
- "tower",
  "tower-service",
  "tracing",
 ]
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.60"
+version = "0.1.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7ffbb5a1b541ea2561f8c41c087286cc091e21e556a4f09a8f6cbf17b69b141"
+checksum = "e31bc9ad994ba00e440a8aa5c9ef0ec67d5cb5e5cb0cc7f8b744a35b389cc470"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
  "iana-time-zone-haiku",
  "js-sys",
+ "log",
  "wasm-bindgen",
- "windows-core",
+ "windows-core 0.62.2",
 ]
 
 [[package]]
@@ -874,1142 +763,2273 @@ dependencies = [
 ]
 
 [[package]]
-name = "indexmap"
-version = "2.4.0"
+name = "id-arena"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93ead53efc7ea8ed3cfb0c79fc8023fbb782a5432b52830b6518941cebe6505c"
-dependencies = [
- "equivalent",
- "hashbrown 0.14.5",
-]
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
 
 [[package]]
-name = "io-lifetimes"
-version = "1.0.11"
+name = "indexmap"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
 dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys 0.48.0",
+ "equivalent",
+ "hashbrown 0.17.0",
+ "serde",
+ "serde_core",
 ]
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
 dependencies = [
  "either",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.11"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
 [[package]]
-name = "jobserver"
-version = "0.1.32"
+name = "jni"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48d1dbcbbeb6a7fec7e059840aa538bd62aaccf972c7346c4d9d2059312853d0"
+checksum = "1a87aa2bb7d2af34197c04845522473242e1aa17c12f4935d5856491a7fb8c97"
 dependencies = [
- "libc",
+ "cesu8",
+ "cfg-if",
+ "combine",
+ "jni-sys 0.3.1",
+ "log",
+ "thiserror",
+ "walkdir",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
-name = "js-sys"
-version = "0.3.69"
+name = "jni-sys"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29c15563dc2726973df627357ce0c9ddddbea194836909d655df6a75d2cf296d"
+checksum = "41a652e1f9b6e0275df1f15b32661cf0d4b78d4d87ddec5e0c3c20f097433258"
 dependencies = [
- "wasm-bindgen",
+ "jni-sys 0.4.1",
 ]
 
 [[package]]
-name = "lazy_static"
-version = "1.5.0"
+name = "jni-sys"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+checksum = "c6377a88cb3910bee9b0fa88d4f42e1d2da8e79915598f65fb0c7ee14c878af2"
+dependencies = [
+ "jni-sys-macros",
+]
 
 [[package]]
-name = "lazycell"
-version = "1.3.0"
+name = "jni-sys-macros"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+checksum = "38c0b942f458fe50cdac086d2f946512305e5631e720728f2a61aabcd47a6264"
+dependencies = [
+ "quote",
+ "syn",
+]
 
 [[package]]
-name = "libc"
-version = "0.2.155"
+name = "jobserver"
+version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
+checksum = "9afb3de4395d6b3e67a780b6de64b51c978ecf11cb9a462c66be7d4ca9039d33"
+dependencies = [
+ "getrandom 0.3.4",
+ "libc",
+]
 
 [[package]]
-name = "libloading"
-version = "0.8.5"
+name = "js-sys"
+version = "0.3.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
+checksum = "a1840c94c045fbcf8ba2812c95db44499f7c64910a912551aaaa541decebcacf"
 dependencies = [
  "cfg-if",
- "windows-targets 0.52.6",
+ "futures-util",
+ "once_cell",
+ "wasm-bindgen",
 ]
 
 [[package]]
-name = "linux-raw-sys"
-version = "0.4.14"
+name = "konst"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+checksum = "128133ed7824fcd73d6e7b17957c5eb7bacb885649bd8c69708b2331a10bcefb"
+dependencies = [
+ "konst_macro_rules",
+]
 
 [[package]]
-name = "log"
-version = "0.4.22"
+name = "konst_macro_rules"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+checksum = "a4933f3f57a8e9d9da04db23fb153356ecaf00cbd14aee46279c33dc80925c37"
 
 [[package]]
-name = "memchr"
-version = "2.7.4"
+name = "leb128fmt"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
-name = "minimal-lexical"
-version = "0.2.1"
+name = "libc"
+version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
-name = "miniz_oxide"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8a240ddb74feaf34a79a7add65a741f3167852fba007066dcac1ca548d89c08"
+name = "libdatadog-nodejs-capabilities"
+version = "0.1.0"
 dependencies = [
- "adler",
- "simd-adler32",
+ "anyhow",
+ "bytes",
+ "futures-core",
+ "http",
+ "js-sys",
+ "libdd-capabilities 3.0.0",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "wasm-bindgen-test",
 ]
 
 [[package]]
-name = "mio"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4569e456d394deccd22ce1c1913e6ea0e54519f577285001215d33557431afe4"
+name = "libdd-capabilities"
+version = "2.0.0"
+source = "git+https://github.com/DataDog/libdatadog.git?tag=v37.0.0#86b7f5700d3db4e58076794b5e8073a40d780083"
 dependencies = [
- "hermit-abi",
- "libc",
- "wasi",
- "windows-sys 0.52.0",
+ "anyhow",
+ "bytes",
+ "http",
+ "thiserror",
 ]
 
 [[package]]
-name = "mirai-annotations"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9be0862c1b3f26a88803c4a49de6889c10e608b3ee9344e6ef5b45fb37ad3d1"
-
-[[package]]
-name = "napi"
-version = "2.16.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1277600d452e570cc83cf5f4e8efb389cc21e5cbefadcfba7239f4551e2e3e99"
+name = "libdd-capabilities"
+version = "3.0.0"
+source = "git+https://github.com/DataDog/libdatadog.git?rev=1b9b7a26f54f116a0f6525abdcd2013b341921a7#1b9b7a26f54f116a0f6525abdcd2013b341921a7"
 dependencies = [
- "bitflags",
- "ctor",
- "napi-derive",
- "napi-sys",
- "once_cell",
- "serde",
- "serde_json",
+ "anyhow",
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "http",
+ "thiserror",
 ]
 
 [[package]]
-name = "napi-derive"
-version = "2.16.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "150d87c4440b9f4815cb454918db498b5aae9a57aa743d20783fe75381181d01"
+name = "libdd-capabilities-impl"
+version = "2.0.0"
+source = "git+https://github.com/DataDog/libdatadog.git?tag=v37.0.0#86b7f5700d3db4e58076794b5e8073a40d780083"
 dependencies = [
- "cfg-if",
- "convert_case",
- "napi-derive-backend",
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- "windows_i686_gnullvm",
+ "windows_i686_gnullvm 0.52.6",
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+[[package]]
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+ "windows_i686_gnullvm 0.53.1",
+ "windows_i686_msvc 0.53.1",
+ "windows_x86_64_gnu 0.53.1",
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+
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+
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+
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+
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+
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+
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+
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+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
+
+[[package]]
+name = "zstd"
+version = "0.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a"
 dependencies = [
- "zeroize_derive",
+ "zstd-safe",
 ]
 
 [[package]]
-name = "zeroize_derive"
-version = "1.4.2"
+name = "zstd-safe"
+version = "7.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.72",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.16+zstd.1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e19ebc2adc8f83e43039e79776e3fda8ca919132d68a1fed6a5faca2683748"
+dependencies = [
+ "cc",
+ "pkg-config",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 7731b6ce..41a1142c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,11 @@
 [workspace]
+resolver = "2"
 default-members = [
-  "crates/crashtracker"
+  "crates/crashtracker",
+  "crates/process_discovery",
 ]
 members = [
-  "crates/*"
+  "crates/*",
 ]
 
 [profile.release]
@@ -12,5 +14,3 @@ lto = true
 opt-level = "z"
 panic = "abort"
 strip = true
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
new file mode 100644
index 00000000..4adca209
--- /dev/null
+++ b/DEVELOPMENT.md
@@ -0,0 +1,49 @@
+# Development
+
+## Contributing
+
+See [`CONTRIBUTING.md`](CONTRIBUTING.md).
+
+## Development setup
+
+To build `libdatadog-nodejs` locally (for example, to run tests or try out changes), you need Node.js, Yarn, and Rust.
+
+**Rust (required for native and WASM builds)**
+
+The project compiles Rust for both native Node.js addons and WebAssembly. Use [rustup](https://rustup.rs/) (the recommended and supported method):
+
+1. **Install rustup and Rust** (see https://rustup.rs/ for more options):
+
+   ```bash
+   curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+   ```
+
+2. **Ensure Rust is on `PATH`** — the rustup installer prints the command for your shell; run it or open a new terminal.
+
+3. **Add the WebAssembly target** (required for the full build):
+
+   ```bash
+   rustup target add wasm32-unknown-unknown
+   ```
+
+4. **On macOS only** — the WASM build requires LLVM from Homebrew (Apple's Clang has compatibility issues with some crates). Install it before building:
+
+   ```bash
+   brew install llvm
+   ```
+
+5. **Install dependencies:**
+
+   ```bash
+   yarn install
+   ```
+
+## Building
+
+* `yarn build`: Build the default workspaces in debug mode.
+* `yarn build-release`: Build the default workspaces in release mode.
+* `yarn build-all`: Build all workspaces in debug mode. This is useful when working on a workspace that is not a default member yet.
+
+## Run tests
+
+* `yarn test`: Run the JavaScript test suite
diff --git a/README.md b/README.md
index bbfd0216..69caebcd 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,3 @@ Node.js bindings for [libdatadog](https://github.com/DataDog/libdatadog).
 
 This project is currently meant to be used only by [dd-trace-js](https://github.com/DataDog/dd-trace-js)
 and installing it directly is not supported at the moment.
-
-## Building
-
-* `npm run build`: Build the default workspaces in debug mode.
-* `npm run build-release`: Build the default workspaces in release mode.
-* `npm run build-all`: Build all workspaces in debug mode. This is useful when working on a workspace that is not a default member yet.
diff --git a/crates/capabilities/Cargo.toml b/crates/capabilities/Cargo.toml
new file mode 100644
index 00000000..f4b46e6b
--- /dev/null
+++ b/crates/capabilities/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "libdatadog-nodejs-capabilities"
+version = "0.1.0"
+edition = "2021"
+description = "Wasm capability implementations for libdatadog-nodejs (backed by JS transports)"
+
+[lib]
+crate-type = ["rlib"]
+
+[dependencies]
+wasm-bindgen = "0.2"
+wasm-bindgen-futures = "0.4"
+js-sys = "0.3"
+http = "1"
+bytes = "1.4"
+futures-core = "0.3"
+anyhow = "1"
+libdd-capabilities = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7" }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3"
diff --git a/crates/capabilities/src/env.rs b/crates/capabilities/src/env.rs
new file mode 100644
index 00000000..716d4b4a
--- /dev/null
+++ b/crates/capabilities/src/env.rs
@@ -0,0 +1,28 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Wasm implementation of [`EnvCapability`] backed by Node.js `process.env`.
+
+use wasm_bindgen::prelude::*;
+
+use libdd_capabilities::env::{EnvCapability, EnvError};
+
+#[wasm_bindgen(module = "/src/env_transport.js")]
+extern "C" {
+    #[wasm_bindgen(js_name = "get")]
+    fn js_env_get(name: &str) -> JsValue;
+}
+
+#[derive(Debug, Clone)]
+pub struct WasmEnvCapability;
+
+impl EnvCapability for WasmEnvCapability {
+    fn new() -> Self {
+        Self
+    }
+
+    fn get(&self, name: &str) -> Result<Option<String>, EnvError> {
+        // Node coerces every process.env value to a string, so NotUnicode is unreachable here.
+        Ok(js_env_get(name).as_string())
+    }
+}
diff --git a/crates/capabilities/src/env_transport.js b/crates/capabilities/src/env_transport.js
new file mode 100644
index 00000000..92d6504b
--- /dev/null
+++ b/crates/capabilities/src/env_transport.js
@@ -0,0 +1,7 @@
+'use strict'
+
+const { env } = process
+
+module.exports.get = (name) => {
+  return env[name]
+}
diff --git a/crates/capabilities/src/file.rs b/crates/capabilities/src/file.rs
new file mode 100644
index 00000000..fe8eb4e6
--- /dev/null
+++ b/crates/capabilities/src/file.rs
@@ -0,0 +1,156 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Wasm implementation of [`FileCapability`] backed by Node.js `fs`.
+//!
+//! The JS transport is imported via `wasm_bindgen(module = ...)` from
+//! `filesystem.js`, which ships alongside the wasm output.
+
+use std::future::Future;
+
+use bytes::Bytes;
+use js_sys::{self, Reflect, Uint8Array};
+use wasm_bindgen::prelude::*;
+use wasm_bindgen_futures::JsFuture;
+
+use libdd_capabilities::file::{FileCapability, FileError, FileMetadata};
+use libdd_capabilities::maybe_send::MaybeSend;
+
+#[wasm_bindgen(module = "/src/filesystem.js")]
+extern "C" {
+    #[wasm_bindgen(js_name = "readFile", catch)]
+    fn js_read_file(path: &str) -> Result<js_sys::Promise, JsValue>;
+
+    #[wasm_bindgen(js_name = "writeFile", catch)]
+    fn js_write_file(path: &str, data: &[u8]) -> Result<js_sys::Promise, JsValue>;
+
+    #[wasm_bindgen(js_name = "metadata", catch)]
+    fn js_metadata(path: &str) -> Result<js_sys::Promise, JsValue>;
+
+    #[wasm_bindgen(js_name = "exists", catch)]
+    fn js_exists(path: &str) -> Result<js_sys::Promise, JsValue>;
+}
+
+#[derive(Debug, Clone)]
+pub struct WasmFileCapability;
+
+impl FileCapability for WasmFileCapability {
+    fn new() -> Self {
+        Self
+    }
+
+    #[allow(clippy::manual_async_fn)]
+    fn read(&self, path: &str) -> impl Future<Output = Result<Bytes, FileError>> + MaybeSend {
+        let path = path.to_owned();
+        async move {
+            let promise =
+                js_read_file(&path).map_err(|e| map_js_error(&e, &path))?;
+            let value = JsFuture::from(promise)
+                .await
+                .map_err(|e| map_js_error(&e, &path))?;
+            let array = Uint8Array::unchecked_from_js(value);
+            Ok(Bytes::from(array.to_vec()))
+        }
+    }
+
+    #[allow(clippy::manual_async_fn)]
+    fn write(
+        &self,
+        path: &str,
+        contents: Bytes,
+    ) -> impl Future<Output = Result<(), FileError>> + MaybeSend {
+        let path = path.to_owned();
+        async move {
+            let promise = js_write_file(&path, &contents)
+                .map_err(|e| map_js_error(&e, &path))?;
+            JsFuture::from(promise)
+                .await
+                .map_err(|e| map_js_error(&e, &path))?;
+            Ok(())
+        }
+    }
+
+    #[allow(clippy::manual_async_fn)]
+    fn metadata(
+        &self,
+        path: &str,
+    ) -> impl Future<Output = Result<FileMetadata, FileError>> + MaybeSend {
+        let path = path.to_owned();
+        async move {
+            let promise =
+                js_metadata(&path).map_err(|e| map_js_error(&e, &path))?;
+            let value = JsFuture::from(promise)
+                .await
+                .map_err(|e| map_js_error(&e, &path))?;
+            parse_metadata(&value, &path)
+        }
+    }
+
+    #[allow(clippy::manual_async_fn)]
+    fn exists(&self, path: &str) -> impl Future<Output = Result<bool, FileError>> + MaybeSend {
+        let path = path.to_owned();
+        async move {
+            let promise = js_exists(&path).map_err(|e| map_js_error(&e, &path))?;
+            let value = JsFuture::from(promise)
+                .await
+                .map_err(|e| map_js_error(&e, &path))?;
+            value
+                .as_bool()
+                .ok_or_else(|| FileError::Io(anyhow::anyhow!("exists({path}) did not return a boolean")))
+        }
+    }
+}
+
+fn map_js_error(err: &JsValue, path: &str) -> FileError {
+    let code = Reflect::get(err, &JsValue::from_str("code"))
+        .ok()
+        .and_then(|v| v.as_string());
+    match code.as_deref() {
+        Some("ENOENT") => FileError::NotFound(path.to_owned()),
+        Some("EACCES") | Some("EPERM") => FileError::PermissionDenied(path.to_owned()),
+        _ => {
+            let message = Reflect::get(err, &JsValue::from_str("message"))
+                .ok()
+                .and_then(|v| v.as_string())
+                .unwrap_or_else(|| format!("{err:?}"));
+            FileError::Io(anyhow::anyhow!("{message} (path: {path})"))
+        }
+    }
+}
+
+fn parse_metadata(value: &JsValue, path: &str) -> Result<FileMetadata, FileError> {
+    let size = read_bigint_u64(value, "size", path)?;
+    // Node populates `stat().ino` on every platform, so `inode` is always Some.
+    let inode = Some(read_bigint_u64(value, "inode", path)?);
+    let is_file = read_bool(value, "is_file", path)?;
+    let is_dir = read_bool(value, "is_dir", path)?;
+    Ok(FileMetadata {
+        size,
+        inode,
+        is_file,
+        is_dir,
+    })
+}
+
+fn read_bigint_u64(value: &JsValue, key: &str, path: &str) -> Result<u64, FileError> {
+    let v = Reflect::get(value, &JsValue::from_str(key))
+        .map_err(|_| FileError::Io(anyhow::anyhow!("metadata({path}) could not read field `{key}`")))?;
+    if v.is_undefined() || v.is_null() {
+        return Err(FileError::Io(anyhow::anyhow!("metadata({path}) missing field `{key}`")));
+    }
+    let bigint = js_sys::BigInt::try_from(v)
+        .map_err(|_| FileError::Io(anyhow::anyhow!("metadata({path}) field `{key}` is not a BigInt")))?;
+    u64::try_from(bigint)
+        .map_err(|_| FileError::Io(anyhow::anyhow!("metadata({path}) field `{key}` overflows u64")))
+}
+
+fn read_bool(value: &JsValue, key: &str, path: &str) -> Result<bool, FileError> {
+    Reflect::get(value, &JsValue::from_str(key))
+        .ok()
+        .and_then(|v| v.as_bool())
+        .ok_or_else(|| {
+            FileError::Io(anyhow::anyhow!(
+                "metadata({path}) is missing boolean field `{key}`"
+            ))
+        })
+}
diff --git a/crates/capabilities/src/filesystem.js b/crates/capabilities/src/filesystem.js
new file mode 100644
index 00000000..014049a0
--- /dev/null
+++ b/crates/capabilities/src/filesystem.js
@@ -0,0 +1,38 @@
+// Lazy `require('node:fs')` — see http_transport.js. The cached accessor
+// avoids paying the module-resolution cost on every call.
+
+'use strict'
+
+let _fs
+function fs () {
+  return _fs ??= require('node:fs')
+}
+
+module.exports.readFile = function (path) {
+  return fs().promises.readFile(path)
+}
+
+module.exports.writeFile = function (path, data) {
+  // Copy off the wasm-memory view before the async write; a memory grow would
+  // otherwise detach the underlying ArrayBuffer mid-write.
+  return fs().promises.writeFile(path, Buffer.from(data))
+}
+
+module.exports.metadata = function (path) {
+  return fs().promises.stat(path, { bigint: true }).then(s => ({
+    size: s.size,
+    inode: s.ino,
+    is_file: s.isFile(),
+    is_dir: s.isDirectory(),
+  }))
+}
+
+module.exports.exists = function (path) {
+  return fs().promises.stat(path).then(
+    () => true,
+    (error) => {
+      if (error && error.code === 'ENOENT') return false
+      throw error
+    },
+  )
+}
diff --git a/crates/capabilities/src/http.rs b/crates/capabilities/src/http.rs
new file mode 100644
index 00000000..2ee1bf78
--- /dev/null
+++ b/crates/capabilities/src/http.rs
@@ -0,0 +1,263 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Wasm implementation of [`HttpClientCapability`] backed by Node.js `http.request`.
+//!
+//! The JS transport is imported via `wasm_bindgen(module = ...)` from
+//! `http_transport.js`, which ships alongside the wasm output.
+
+use std::future::Future;
+use std::io::Write as _;
+use std::sync::LazyLock;
+
+use bytes::Bytes;
+use http::{HeaderMap, HeaderName, HeaderValue};
+use js_sys::{self, Array, JsString, Number, Uint8Array};
+use wasm_bindgen::prelude::*;
+use wasm_bindgen_futures::JsFuture;
+
+use libdd_capabilities::http::{HttpClientCapability, HttpError};
+use libdd_capabilities::maybe_send::MaybeSend;
+
+// A `static` requires `Sync`, and `LazyLock<JsValue>: Sync` needs `JsValue:
+// Sync` — which holds only because on wasm32 (single-threaded) wasm-bindgen
+// implements `Send`/`Sync` for `JsValue`. This crate is wasm32-only, so it's sound.
+static WASM_MEMORY: LazyLock<JsValue> = LazyLock::new(wasm_bindgen::memory);
+
+#[wasm_bindgen(module = "/src/http_transport.js")]
+extern "C" {
+    #[wasm_bindgen(js_name = "httpRequest")]
+    fn http_request(
+        host: &str,
+        port: u16,
+        is_https: bool,
+        socket_path: &str,
+        head_ptr: *const u8,
+        head_len: u32,
+        body_ptr: *const u8,
+        body_len: u32,
+        wasm_memory: &JsValue,
+    ) -> js_sys::Promise;
+
+    #[wasm_bindgen(js_name = "setStorage")]
+    pub fn set_storage(new_storage: &JsValue);
+
+    #[wasm_bindgen(js_name = "setResponseHeaderObserver")]
+    pub fn set_response_header_observer(observer: &JsValue);
+}
+
+/// Wasm [`HttpClientCapability`] that delegates HTTP to Node.js `http.request`.
+///
+/// The wasm analogue of libdatadog's native `NativeHttpClient`. Bundled into
+/// [`crate::WasmCapabilities`] alongside the sleep and log-output capabilities
+/// that `TraceExporter` requires.
+#[derive(Debug, Clone)]
+pub struct WasmHttpClient;
+
+impl HttpClientCapability for WasmHttpClient {
+    fn new_client() -> Self {
+        Self
+    }
+
+    fn new_without_connection_pooling() -> Self {
+        Self
+    }
+
+    #[allow(clippy::manual_async_fn)]
+    fn request(
+        &self,
+        req: http::Request<Bytes>,
+    ) -> impl Future<Output = Result<http::Response<Bytes>, HttpError>> + MaybeSend {
+        async move {
+            let scheme = req.uri().scheme_str().unwrap_or("http");
+
+            // Unix domain socket / Windows named pipe: ddcommon's `parse_uri`
+            // hex-encodes the socket path into the URI authority (there is no
+            // standard URL form for socket paths). On wasm the request bypasses
+            // ddcommon's native (hyper) connector and reaches us directly, so we
+            // decode the path here and route over the socket instead of TCP.
+            let (host, port, is_https, socket_path) = if scheme == "unix" || scheme == "windows" {
+                (String::new(), 0u16, false, decode_socket_path(req.uri())?)
+            } else {
+                let is_https = scheme == "https";
+                let host = req.uri().host().ok_or_else(|| {
+                    HttpError::InvalidRequest(anyhow::anyhow!("missing host in URI"))
+                })?;
+                let port = req
+                    .uri()
+                    .port_u16()
+                    .unwrap_or(if is_https { 443 } else { 80 });
+                (host.to_owned(), port, is_https, String::new())
+            };
+
+            // For a socket request there is no meaningful network host; HTTP/1.1
+            // still requires a Host header, so send a stable placeholder (the
+            // agent does not validate Host over a socket).
+            let head = if socket_path.is_empty() {
+                serialize_request_head(&req, &host, port, is_https, false)?
+            } else {
+                serialize_request_head(&req, "localhost", port, is_https, true)?
+            };
+            let body = req.into_body();
+
+            let result = JsFuture::from(http_request(
+                &host,
+                port,
+                is_https,
+                &socket_path,
+                head.as_ptr(),
+                head.len() as u32,
+                body.as_ptr(),
+                body.len() as u32,
+                WASM_MEMORY.as_ref(),
+            ))
+            .await
+            .map_err(|e| HttpError::Network(anyhow::anyhow!("{:?}", e)))?;
+
+            let result: js_sys::ArrayTuple<(Number, Array<JsString>, Uint8Array)> =
+                js_sys::ArrayTuple::unchecked_from_js(result);
+
+            let status = result
+                .get0()
+                .as_f64()
+                .ok_or_else(|| HttpError::Other(anyhow::anyhow!("status is not a number")))?
+                as u16;
+
+            let headers = parse_response_headers(result.get1())?;
+
+            let body = Bytes::from(result.get2().to_vec());
+
+            let mut builder = http::Response::builder().status(status);
+            // `headers_mut()` is `None` only when the builder already holds an
+            // error (e.g. an out-of-range status from the agent). Don't unwrap:
+            // skip the headers and let `body()` below surface that error.
+            if let Some(builder_headers) = builder.headers_mut() {
+                *builder_headers = headers;
+            }
+            builder.body(body).map_err(|e| HttpError::Other(e.into()))
+        }
+    }
+}
+
+/// Parse response headers from Node's flat `[name, value, name, value, ...]`
+/// array (`res.rawHeaders`): even indices are (lowercased) header names, odd
+/// indices their string values.
+fn parse_response_headers(header_js: Array<JsString>) -> Result<HeaderMap, HttpError> {
+    let len = header_js.length() as usize;
+    let mut headers = HeaderMap::with_capacity(len / 2);
+    for i in 0..(len / 2) {
+        let key = header_js.get((i * 2) as u32).as_string();
+        let val = header_js.get((i * 2 + 1) as u32).as_string();
+        if let (Some(key), Some(val)) = (key, val) {
+            // Response headers come from the agent (untrusted over plaintext
+            // HTTP); skip any the http crate rejects rather than unwrapping
+            // and trapping the whole wasm instance on one malformed header.
+            if let (Ok(name), Ok(value)) = (
+                HeaderName::from_bytes(key.as_bytes()),
+                HeaderValue::from_maybe_shared(Bytes::from(val)),
+            ) {
+                headers.insert(name, value);
+            }
+        }
+    }
+    Ok(headers)
+}
+
+/// Decode the socket path that ddcommon's `parse_uri` hex-encoded into the URI
+/// authority for `unix://` / `windows:` agent URLs (see `encode_uri_path_in_authority`
+/// in libdd-common). The authority is the lowercase hex of the raw path bytes.
+fn decode_socket_path(uri: &http::Uri) -> Result<String, HttpError> {
+    let authority = uri
+        .authority()
+        .ok_or_else(|| HttpError::InvalidRequest(anyhow::anyhow!("socket URI missing authority")))?
+        .as_str();
+    let bytes = hex_decode(authority).ok_or_else(|| {
+        HttpError::InvalidRequest(anyhow::anyhow!("socket path authority is not valid hex"))
+    })?;
+    String::from_utf8(bytes)
+        .map_err(|e| HttpError::InvalidRequest(anyhow::anyhow!("socket path is not utf-8: {e}")))
+}
+
+/// Minimal hex decoder for the socket-path authority. Returns `None` on any
+/// malformed input (odd length or non-hex digit) rather than panicking.
+fn hex_decode(s: &str) -> Option<Vec<u8>> {
+    let bytes = s.as_bytes();
+    if !bytes.len().is_multiple_of(2) {
+        return None;
+    }
+    let mut out = Vec::with_capacity(bytes.len() / 2);
+    for pair in bytes.chunks_exact(2) {
+        let hi = (pair[0] as char).to_digit(16)?;
+        let lo = (pair[1] as char).to_digit(16)?;
+        out.push((hi * 16 + lo) as u8);
+    }
+    Some(out)
+}
+
+/// Serialize the full HTTP/1.1 request head (request line + Host + Content-Length
+/// + user headers + terminating CRLF) into a contiguous byte buffer.
+///
+/// The buffer is handed to JS by pointer; JS parses it (`parseRequestHead` in
+/// http_transport.js) into method/path/headers for `http.request(...)`. (It used
+/// to be assigned to the Node internal `req._header`, but Bun's node:http
+/// ignores that, so the head is parsed into request options instead.)
+///
+/// `is_socket` requests (unix socket / named pipe) omit the `:port` suffix on
+/// the Host header — there is no TCP port for a socket transport.
+fn serialize_request_head(
+    req: &http::Request<Bytes>,
+    host: &str,
+    port: u16,
+    is_https: bool,
+    is_socket: bool,
+) -> Result<Vec<u8>, HttpError> {
+    let method = req.method().as_str();
+    let path_and_query = req
+        .uri()
+        .path_and_query()
+        .map(|pq| pq.as_str())
+        .unwrap_or("/");
+    let body_len = req.body().len();
+    let headers = req.headers();
+
+    let mut buf = Vec::with_capacity(256 + headers.len() * 64);
+
+    buf.extend_from_slice(method.as_bytes());
+    buf.push(b' ');
+    buf.extend_from_slice(path_and_query.as_bytes());
+    buf.extend_from_slice(b" HTTP/1.1\r\n");
+
+    buf.extend_from_slice(b"Host: ");
+    buf.extend_from_slice(host.as_bytes());
+    if !is_socket {
+        let default_port = if is_https { 443 } else { 80 };
+        if port != default_port {
+            write!(&mut buf, ":{port}").map_err(|e| HttpError::Other(e.into()))?;
+        }
+    }
+    buf.extend_from_slice(b"\r\n");
+
+    write!(&mut buf, "Content-Length: {body_len}\r\n").map_err(|e| HttpError::Other(e.into()))?;
+
+    for (name, value) in headers.iter() {
+        // The request-framing headers above (Host, Content-Length) are
+        // authoritative. Skip any caller-supplied duplicates of them (and
+        // Transfer-Encoding) so they can't be emitted twice — duplicate/
+        // conflicting framing headers are a request-smuggling vector when the
+        // agent URL is reached through a proxy.
+        if matches!(
+            name.as_str(),
+            "host" | "content-length" | "transfer-encoding"
+        ) {
+            continue;
+        }
+        buf.extend_from_slice(name.as_str().as_bytes());
+        buf.extend_from_slice(b": ");
+        buf.extend_from_slice(value.as_bytes());
+        buf.extend_from_slice(b"\r\n");
+    }
+
+    buf.extend_from_slice(b"\r\n");
+
+    Ok(buf)
+}
diff --git a/crates/capabilities/src/http_transport.js b/crates/capabilities/src/http_transport.js
new file mode 100644
index 00000000..962b6ba4
--- /dev/null
+++ b/crates/capabilities/src/http_transport.js
@@ -0,0 +1,260 @@
+// NOTE: `node:http`, `node:https` and `node:fs` are deliberately NOT required at
+// module load. This transport is loaded during the tracer's own init (before
+// user code runs), and requiring an instrumented builtin here makes dd-trace
+// wrap it in place immediately — so a user app that imports `http` afterwards
+// (e.g. an ESM app under `--require`) sees the wrapped builtin and gets
+// instrumented when it should not (breaks the init/guardrail expectations). The
+// JS agent exporter requires these lazily (at first send) for the same reason;
+// mirror that by requiring them inside the functions that use them below.
+
+let storage = f => f()
+
+// libdatadog's automatic container-id / entity-id detection (libdd-common's
+// entity_id module) is gated `#[cfg(unix)]` and therefore inert on the
+// `wasm32-unknown-unknown` target we build for, and `DD_EXTERNAL_ENV` is also
+// unreachable from wasm. Node, however, can read `/proc` and `process.env`, so
+// we detect the same values here and add them as the standard Datadog exporter
+// headers (`datadog-container-id`, `datadog-entity-id`, `datadog-external-env`)
+// — the headers native libdatadog adds via `Endpoint::set_standard_headers`.
+//
+// The detection mirrors dd-trace-js's `exporters/common/docker.js` (the proven
+// legacy-exporter path) and libdd-common's `compute_entity_id`
+// (`ci-<container_id>` else `in-<cgroup_inode>`).
+
+// The second alternative is the PCF / Garden regexp; no suffix ($) to avoid
+// matching pod UIDs. See
+// https://github.com/DataDog/datadog-agent/blob/7.40.x/pkg/util/cgroups/reader.go#L50
+const uuidSource = String.raw`[0-9a-f]{8}[-_][0-9a-f]{4}[-_][0-9a-f]{4}[-_][0-9a-f]{4}[-_][0-9a-f]{12}|[0-9a-f]{8}(?:-[0-9a-f]{4}){4}$`
+const containerSource = '[0-9a-f]{64}'
+const taskSource = String.raw`[0-9a-f]{32}-\d+`
+const lineReg = /^(\d+):([^:]*):(.+)$/m
+const entityReg = new RegExp(String.raw`.*(${uuidSource}|${containerSource}|${taskSource})(?:\.scope)?$`, 'm')
+
+// Detect the entity headers. Parameterized for unit testing; production callers
+// use the cached `getEntityHeaders()` with the real cgroup paths / environment.
+function detectEntityHeaders (opts = {}) {
+  const fs = require('node:fs')
+  const cgroupPath = opts.cgroupPath ?? '/proc/self/cgroup'
+  const cgroupMount = opts.cgroupMount ?? '/sys/fs/cgroup'
+  const externalEnv = 'externalEnv' in opts ? opts.externalEnv : process.env.DD_EXTERNAL_ENV
+
+  const headers = {}
+
+  let cgroup = ''
+  let containerId
+  try {
+    cgroup = fs.readFileSync(cgroupPath, 'utf8').trim()
+    containerId = cgroup.match(entityReg)?.[1]
+  } catch { /* not in a cgroup, or not Linux */ }
+
+  let inode = 0
+  const inodePath = cgroup.match(lineReg)?.[3]
+  if (inodePath) {
+    const strippedPath = inodePath.replaceAll(/^\/|\/$/g, '')
+    try {
+      inode = fs.statSync(`${cgroupMount}/${strippedPath}`).ino
+    } catch { /* mount not present */ }
+  }
+
+  // `ci-<container_id>` when a container id is found, else `in-<cgroup_inode>`
+  // — matching libdd-common's `compute_entity_id`.
+  const entityId = containerId ? `ci-${containerId}` : (inode ? `in-${inode}` : undefined)
+
+  if (containerId) headers['datadog-container-id'] = containerId
+  if (entityId) headers['datadog-entity-id'] = entityId
+  // Only emit external-env if it is a clean header value (visible ASCII + space/
+  // tab). This rejects CR/LF (header-injection / request-smuggling vector) and
+  // non-latin1 that the latin1-encoded head rewrite couldn't represent — native
+  // libdatadog likewise rejects invalid bytes via the http crate's HeaderValue.
+  if (externalEnv && /^[\t\u0020-\u007E]*$/.test(externalEnv)) {
+    headers['datadog-external-env'] = externalEnv
+  }
+
+  return headers
+}
+
+let cachedEntityHeaders
+function getEntityHeaders () {
+  if (cachedEntityHeaders === undefined) {
+    cachedEntityHeaders = detectEntityHeaders()
+  }
+  return cachedEntityHeaders
+}
+
+// Rewrite the Rust-rendered HTTP/1.1 request head (a `\r\n`-delimited byte
+// buffer terminated by a blank line) to carry the detected entity headers.
+// Any pre-existing line for a name we set is dropped first, so libdatadog's
+// empty `datadog-container-id` is replaced rather than duplicated. Header
+// names/values are ASCII, so latin1 is a lossless round-trip.
+function applyEntityHeaders (headView, entity = getEntityHeaders()) {
+  const names = Object.keys(entity)
+  if (names.length === 0) return Buffer.from(headView)
+
+  const head = Buffer.from(headView).toString('latin1')
+  const term = head.indexOf('\r\n\r\n')
+  if (term === -1) return Buffer.from(headView) // malformed; leave untouched
+
+  const drop = new Set(names)
+  const lines = head.slice(0, term).split('\r\n')
+  const kept = lines.filter((line, i) => {
+    if (i === 0) return true // request line
+    const colon = line.indexOf(':')
+    const name = (colon === -1 ? line : line.slice(0, colon)).trim().toLowerCase()
+    return !drop.has(name)
+  })
+  for (const name of names) kept.push(`${name}: ${entity[name]}`)
+
+  return Buffer.from(`${kept.join('\r\n')}\r\n\r\n`, 'latin1')
+}
+
+// Parse the Rust-rendered (+ entity-merged) HTTP/1.1 request head into Node
+// request options `{ method, path, headers }`. We pass these to
+// `http.request(...)` rather than injecting the raw head via the Node-internal
+// `req._header`: that internal is undocumented and Bun's `node:http` ignores it,
+// so under Bun the request went out as `POST /` with no headers and the agent
+// dropped it. Header names/values are ASCII (latin1 round-trips losslessly).
+function parseRequestHead (headBuf) {
+  const head = Buffer.from(headBuf).toString('latin1')
+  const term = head.indexOf('\r\n\r\n')
+  const lines = (term === -1 ? head : head.slice(0, term)).split('\r\n')
+  // Request line: `METHOD request-target HTTP/1.1` (no spaces in the target).
+  const [method, path] = lines[0].split(' ')
+  const headers = {}
+  for (let i = 1; i < lines.length; i++) {
+    const colon = lines[i].indexOf(':')
+    if (colon === -1) continue
+    const name = lines[i].slice(0, colon).trim()
+    if (name) headers[name] = lines[i].slice(colon + 1).trim()
+  }
+  return { method, path, headers }
+}
+
+// A retried write can race a wasm-memory detach; treat that as a transient error.
+function isDetachedBufferError (err) {
+  return err instanceof TypeError && /detached/i.test(err.message)
+}
+
+module.exports.sleep = function (ms) {
+  return new Promise((resolve) => {
+    const timer = setTimeout(resolve, ms)
+    // The exporter races this sleep against each request as a timeout guard (and
+    // reuses it for retry backoff). An in-flight request refs the event loop on
+    // its own, so an abandoned timeout timer (e.g. the 5-minute request-timeout
+    // guard after a fast success) must not keep the host process alive.
+    timer.unref?.()
+  })
+}
+
+module.exports.setStorage = function (new_storage) {
+  storage = new_storage
+}
+
+// Optional observer invoked with each agent response's raw headers
+// (Node's flat [name, value, name, value, ...] array). Lets the host tracer
+// read response-only headers (e.g. Datadog-Container-Tags-Hash) that are not
+// otherwise surfaced through the wasm response body. Never throws into the
+// transport: a misbehaving observer must not break trace delivery.
+//
+// The observer runs synchronously on the response 'end' event, so it must be
+// non-blocking and return quickly — long-running synchronous work here would
+// stall the event loop.
+let responseHeaderObserver
+
+module.exports.setResponseHeaderObserver = function (new_observer) {
+  responseHeaderObserver = new_observer
+}
+
+// Exposed for unit tests.
+module.exports.detectEntityHeaders = detectEntityHeaders
+module.exports.applyEntityHeaders = applyEntityHeaders
+module.exports._resetEntityHeadersCache = () => {
+  cachedEntityHeaders = undefined
+}
+
+module.exports.httpRequest = function (host, port, isHttps, socketPath, head_ptr, head_len, body_ptr, body_len, wasm_memory) {
+  // A non-empty socketPath routes over a Unix domain socket (or Windows named
+  // pipe) instead of TCP. Sockets are always plaintext HTTP/1.1, so https is
+  // ignored in that mode.
+  const http = require('node:http')
+  const https = require('node:https')
+  // libdatadog derives `host` from the agent URI, which keeps the brackets for
+  // an IPv6 literal (e.g. `[::1]`). Node's `http.request` treats the `host`
+  // option as a hostname to resolve, so `[::1]` fails with ENOTFOUND. Strip the
+  // brackets so the IPv6 address is used directly (Node accepts `::1`).
+  if (typeof host === 'string' && host.length > 1 && host[0] === '[' && host.at(-1) === ']') {
+    host = host.slice(1, -1)
+  }
+  const useSocket = typeof socketPath === 'string' && socketPath.length > 0
+  const transport = useSocket ? http : (isHttps ? https : http)
+
+  function attempt () {
+    return new Promise((resolve, reject) => {
+      storage(() => {
+        // wasm_memory.buffer is replaced each time WebAssembly.Memory grows, so
+        // the views must be recreated on every attempt against the current buffer.
+        const headView = new Uint8Array(wasm_memory.buffer, head_ptr, head_len)
+        const bodyView = new Uint8Array(wasm_memory.buffer, body_ptr, body_len)
+
+        // The Rust side already rendered the full HTTP/1.1 request head (real
+        // method, `/v0.4/traces` path, Content-Type/Length, datadog-meta-*);
+        // applyEntityHeaders merges in the detected entity headers. Parse it into
+        // request options so the connection uses the correct method/path/headers
+        // on both Node and Bun (host/port or socketPath drive the connection).
+        const { method, path, headers } = parseRequestHead(applyEntityHeaders(headView))
+        const requestOptions = useSocket
+          ? { socketPath, method, path, headers }
+          : { host, port, method, path, headers }
+        const req = transport.request(requestOptions, (res) => {
+          const chunks = []
+          res.on('data', chunk => chunks.push(chunk))
+          res.on('end', () => {
+            const body = Buffer.concat(chunks)
+            if (responseHeaderObserver) {
+              try {
+                responseHeaderObserver(res.rawHeaders)
+              } catch (error) {
+                // Only read `err.message` (a string) rather than stringifying an
+                // arbitrary thrown value, so a hostile/throwing toString on the
+                // error can't turn the log line into its own failure path.
+                process.stderr.write('responseHeaderObserver error: ' + (error && error.message) + '\n')
+              }
+            }
+            resolve([
+              res.statusCode,
+              res.rawHeaders,
+              // Copy the exact body bytes. `body` is a Buffer from Buffer.concat,
+              // which for small payloads is a view into Node's shared pool, so
+              // `body.buffer` is the whole pool — slicing by offset/length (via
+              // the Uint8Array(typedArray) copy ctor) is required to avoid
+              // handing the Rust side unrelated pooled memory.
+              new Uint8Array(body),
+            ])
+          })
+        })
+        req.on('error', reject)
+
+        // The request head (method/path/headers) was supplied via requestOptions
+        // above; just write the body. (No `req._header` injection — that Node
+        // internal is not honored by Bun.)
+        try {
+          req.write(bodyView)
+          req.end()
+        } catch (error) {
+          reject(error)
+        }
+      })
+    })
+  }
+
+  function attemptWithRetry () {
+    return attempt().catch((error) => {
+      process.stderr.write('httpRequest error: ' + error + '\n')
+      if (isDetachedBufferError(error)) {
+        return attemptWithRetry()
+      }
+      throw error
+    })
+  }
+
+  return attemptWithRetry()
+}
diff --git a/crates/capabilities/src/lib.rs b/crates/capabilities/src/lib.rs
new file mode 100644
index 00000000..399e9539
--- /dev/null
+++ b/crates/capabilities/src/lib.rs
@@ -0,0 +1,146 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Wasm capability implementations for libdatadog-nodejs.
+//!
+//! [`WasmCapabilities`] is the bundle struct that implements every capability
+//! trait `TraceExporter` requires using wasm_bindgen and JS transports. The
+//! wasm binding crate pins this type as the capability generic for libdatadog's
+//! `TraceExporter`, mirroring libdatadog's native `NativeCapabilities`.
+
+use std::future::Future;
+use std::time::Duration;
+
+use libdd_capabilities::env::{EnvCapability, EnvError};
+use libdd_capabilities::file::{FileCapability, FileError, FileMetadata};
+use libdd_capabilities::http::HttpError;
+use libdd_capabilities::{HttpClientCapability, LogWriterCapability, MaybeSend, SleepCapability};
+
+pub mod env;
+pub mod file;
+pub mod http;
+pub mod sleep;
+
+pub use env::WasmEnvCapability;
+pub use file::WasmFileCapability;
+pub use http::WasmHttpClient;
+pub use sleep::WasmSleepCapability;
+
+/// Bundle of wasm platform capabilities for libdatadog's `TraceExporter`.
+///
+/// Mirrors libdatadog's native `NativeCapabilities`. Per-function bounds stay
+/// minimal in libdatadog (e.g. stats-only code uses [`WasmHttpClient`]
+/// directly), so this bundle is only needed where the full `TraceExporter`
+/// capability set is.
+#[derive(Clone, Debug)]
+pub struct WasmCapabilities {
+    /// Outbound HTTP requests routed through the JS fetch/socket transport.
+    http: WasmHttpClient,
+    /// Async sleep backed by `setTimeout` via wasm-bindgen.
+    sleep: WasmSleepCapability,
+    /// Filesystem access delegated to the Node.js `fs` transport.
+    file: WasmFileCapability,
+    env: WasmEnvCapability,
+}
+
+impl Default for WasmCapabilities {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl WasmCapabilities {
+    pub fn new() -> Self {
+        Self {
+            http: WasmHttpClient::new_client(),
+            sleep: WasmSleepCapability,
+            file: WasmFileCapability,
+            env: WasmEnvCapability,
+        }
+    }
+}
+
+impl HttpClientCapability for WasmCapabilities {
+    fn new_client() -> Self {
+        Self::new()
+    }
+
+    fn new_without_connection_pooling() -> Self {
+        Self {
+            http: WasmHttpClient::new_without_connection_pooling(),
+            sleep: WasmSleepCapability,
+            file: WasmFileCapability,
+            env: WasmEnvCapability,
+        }
+    }
+
+    fn request(
+        &self,
+        req: ::http::Request<::bytes::Bytes>,
+    ) -> impl Future<Output = Result<::http::Response<::bytes::Bytes>, HttpError>> + MaybeSend {
+        self.http.request(req)
+    }
+}
+
+impl SleepCapability for WasmCapabilities {
+    fn new() -> Self {
+        Self::new()
+    }
+
+    fn sleep(&self, duration: Duration) -> impl Future<Output = ()> + MaybeSend {
+        self.sleep.sleep(duration)
+    }
+}
+
+impl LogWriterCapability for WasmCapabilities {
+    fn write_log_output(&self, _bytes: &[u8]) -> std::io::Result<()> {
+        // The wasm binding runs exclusively in trace-export mode; the
+        // TraceExporter only invokes this in log-output mode, which this
+        // binding never enables. Implemented as a no-op to satisfy the
+        // capability bound. If log-output mode is added for wasm, route the
+        // buffer to a JS sink (e.g. process.stderr) here.
+        Ok(())
+    }
+}
+
+impl FileCapability for WasmCapabilities {
+    fn new() -> Self {
+        Self::new()
+    }
+
+    fn read(
+        &self,
+        path: &str,
+    ) -> impl Future<Output = Result<::bytes::Bytes, FileError>> + MaybeSend {
+        self.file.read(path)
+    }
+
+    fn write(
+        &self,
+        path: &str,
+        contents: ::bytes::Bytes,
+    ) -> impl Future<Output = Result<(), FileError>> + MaybeSend {
+        self.file.write(path, contents)
+    }
+
+    fn metadata(
+        &self,
+        path: &str,
+    ) -> impl Future<Output = Result<FileMetadata, FileError>> + MaybeSend {
+        self.file.metadata(path)
+    }
+
+    fn exists(&self, path: &str) -> impl Future<Output = Result<bool, FileError>> + MaybeSend {
+        self.file.exists(path)
+    }
+}
+
+impl EnvCapability for WasmCapabilities {
+    fn new() -> Self {
+        Self::new()
+    }
+
+    fn get(&self, name: &str) -> Result<Option<String>, EnvError> {
+        self.env.get(name)
+    }
+}
diff --git a/crates/capabilities/src/sleep.rs b/crates/capabilities/src/sleep.rs
new file mode 100644
index 00000000..6a6af6c3
--- /dev/null
+++ b/crates/capabilities/src/sleep.rs
@@ -0,0 +1,43 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Wasm [`SleepCapability`] backed by JS `setTimeout`.
+//!
+//! `TraceExporter` requires its capability bundle to implement `SleepCapability`
+//! (used for retry backoff). Native code uses `tokio::time::sleep`; in wasm we
+//! delegate to `setTimeout` via a JS-returned Promise.
+
+use std::future::Future;
+use std::time::Duration;
+
+use wasm_bindgen::prelude::*;
+use wasm_bindgen_futures::JsFuture;
+
+use libdd_capabilities::maybe_send::MaybeSend;
+use libdd_capabilities::sleep::SleepCapability;
+
+#[wasm_bindgen(module = "/src/http_transport.js")]
+extern "C" {
+    #[wasm_bindgen(js_name = "sleep")]
+    fn js_sleep(ms: f64) -> js_sys::Promise;
+}
+
+/// Wasm sleep backed by JS `setTimeout`.
+///
+/// The wasm analogue of libdatadog's native `NativeSleepCapability`.
+#[derive(Debug, Clone)]
+pub struct WasmSleepCapability;
+
+impl SleepCapability for WasmSleepCapability {
+    fn new() -> Self {
+        Self
+    }
+
+    #[allow(clippy::manual_async_fn)]
+    fn sleep(&self, duration: Duration) -> impl Future<Output = ()> + MaybeSend {
+        async move {
+            let ms = duration.as_millis() as f64;
+            let _ = JsFuture::from(js_sleep(ms)).await;
+        }
+    }
+}
diff --git a/crates/collector/Cargo.toml b/crates/collector/Cargo.toml
deleted file mode 100644
index 1c8f255b..00000000
--- a/crates/collector/Cargo.toml
+++ /dev/null
@@ -1,17 +0,0 @@
-[package]
-name = "collector"
-version = "0.1.0"
-edition = "2018"
-
-[lib]
-crate-type = ["cdylib"]
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-collector = { git = "https://github.com/DataDog/libdatadog.git", branch = "rochdev/collector"  }
-
-[dependencies.neon]
-version = "1.0.0"
-default-features = false
-features = ["napi-6"]
diff --git a/crates/collector/src/lib.rs b/crates/collector/src/lib.rs
deleted file mode 100644
index fb1ef9c8..00000000
--- a/crates/collector/src/lib.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-use neon::prelude::*;
-use neon::thread::LocalKey;
-use neon::types::buffer::TypedArray;
-use collector::runtime::RUNTIME;
-use collector::collector::Collector;
-
-// TODO: Use a single collector for all worker threads.
-static COLLECTORS: LocalKey<Collector> = LocalKey::new();
-
-#[neon::main]
-fn main (mut cx: ModuleContext) -> NeonResult<()> {
-    register(&mut cx)
-}
-
-fn register (cx: &mut ModuleContext) -> NeonResult<()> {
-    COLLECTORS.get_or_init(cx, || Collector::new());
-
-    cx.export_function("send_events", send_events)?;
-    cx.export_function("receive_events", receive_events)?;
-
-    Ok(())
-}
-
-fn send_events(mut cx: FunctionContext) -> JsResult<JsUndefined> {
-    let payload = cx.argument::<JsBuffer>(0).unwrap().as_slice(&mut cx).to_vec();
-    let collector = COLLECTORS.get(&mut cx).unwrap();
-
-    collector.write(payload.as_slice());
-
-    Ok(cx.undefined())
-}
-
-// TODO: Do we need an unsubscribe?
-fn receive_events(mut cx: FunctionContext) -> JsResult<JsUndefined> {
-    let collector = COLLECTORS.get(&mut cx).unwrap();
-    let mut cb = cx.argument::<JsFunction>(0)?.root(&mut cx);
-    let ch = cx.channel();
-    let mut rx = collector.subscribe();
-
-    RUNTIME.spawn_blocking(move || {
-        while let Ok(payload) = rx.blocking_recv() {
-            cb = ch.send(move |mut cx| {
-                let buf = JsBuffer::from_slice(&mut cx, payload.as_slice()).unwrap();
-                let this = cx.undefined();
-                let args = vec![buf.upcast()];
-
-                cb.to_inner(&mut cx).call(&mut cx, this, args).unwrap();
-
-                Ok(cb)
-            }).join().unwrap();
-        }
-    });
-
-    Ok(cx.undefined())
-}
diff --git a/crates/crashtracker/Cargo.toml b/crates/crashtracker/Cargo.toml
index ec398a5b..8bce6975 100644
--- a/crates/crashtracker/Cargo.toml
+++ b/crates/crashtracker/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "crashtracker"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2018"
 
 [lib]
@@ -14,6 +14,8 @@ path = "src/bin/receiver.rs"
 
 [dependencies]
 anyhow = "1"
-datadog-crashtracker = { git = "https://github.com/DataDog/libdatadog.git", branch = "main"  }
+libdd-crashtracker = { git = "https://github.com/DataDog/libdatadog.git", tag = "v37.0.0"  }
 napi = { version = "2", features = ["serde-json"] }
-napi-derive = { version = "2" }
+napi-derive = { version = "2", default-features = false }
+rustls = { version = "*", default-features = false, features = ["aws-lc-rs"] }
+serde_json = "1"
diff --git a/crates/crashtracker/src/bin/receiver.rs b/crates/crashtracker/src/bin/receiver.rs
index f84198b5..4d39342f 100644
--- a/crates/crashtracker/src/bin/receiver.rs
+++ b/crates/crashtracker/src/bin/receiver.rs
@@ -3,5 +3,5 @@ fn main() {}
 
 #[cfg(unix)]
 fn main() -> anyhow::Result<()> {
-    datadog_crashtracker::receiver_entry_point_stdin()
+    libdd_crashtracker::receiver_entry_point_stdin()
 }
diff --git a/crates/crashtracker/src/lib.rs b/crates/crashtracker/src/lib.rs
index f4ed8465..eb906969 100644
--- a/crates/crashtracker/src/lib.rs
+++ b/crates/crashtracker/src/lib.rs
@@ -1,56 +1,72 @@
-use datadog_crashtracker::CrashtrackerReceiverConfig;
 use napi::{Env, JsUnknown};
 use napi_derive::napi;
-use std::{env::temp_dir, fs, path::{self}};
 
-#[cfg(unix)]
-use std::os::unix::fs::PermissionsExt;
+mod unhandled_exception;
+
+/// Ensures that if signals is empty, default signals are applied.
+/// This is necessary because NAPI deserialization bypasses the
+/// CrashtrackerConfiguration::new() constructor where the default
+/// signals logic exists.
+fn apply_default_signals(
+    config: libdd_crashtracker::CrashtrackerConfiguration,
+) -> libdd_crashtracker::CrashtrackerConfiguration {
+    if config.signals().is_empty() {
+        let mut value = serde_json::to_value(&config).unwrap();
+        value["signals"] = serde_json::to_value(libdd_crashtracker::default_signals()).unwrap();
+        serde_json::from_value(value).unwrap()
+    } else {
+        config
+    }
+}
 
 #[napi]
-pub fn init_with_receiver(env: Env, config: JsUnknown, receiver_config: JsUnknown, metadata: JsUnknown) -> napi::Result<()> {
-    let config = env.from_js_value(config)?;
-    let mut receiver_config = env.from_js_value(receiver_config)?;
+pub fn init(
+    env: Env,
+    config: JsUnknown,
+    receiver_config: JsUnknown,
+    metadata: JsUnknown,
+) -> napi::Result<()> {
+    let config: libdd_crashtracker::CrashtrackerConfiguration = env.from_js_value(config)?;
+    let receiver_config = env.from_js_value(receiver_config)?;
     let metadata = env.from_js_value(metadata)?;
 
-    copy_receiver(&mut receiver_config).unwrap();
+    let config = apply_default_signals(config);
 
-    datadog_crashtracker::init_with_receiver(config, receiver_config, metadata).unwrap();
+    libdd_crashtracker::init(config, receiver_config, metadata).unwrap();
 
     Ok(())
 }
 
 #[napi]
-pub fn update_config (env: Env, config: JsUnknown) -> napi::Result<()> {
-    let config = env.from_js_value(config)?;
+pub fn update_config(env: Env, config: JsUnknown) -> napi::Result<()> {
+    let config: libdd_crashtracker::CrashtrackerConfiguration = env.from_js_value(config)?;
+
+    let config = apply_default_signals(config);
 
-    datadog_crashtracker::update_config(config).unwrap();
+    libdd_crashtracker::update_config(config).unwrap();
 
     Ok(())
 }
 
 #[napi]
-pub fn update_metadata (env: Env, metadata: JsUnknown) -> napi::Result<()> {
+pub fn update_metadata(env: Env, metadata: JsUnknown) -> napi::Result<()> {
     let metadata = env.from_js_value(metadata)?;
 
-    datadog_crashtracker::update_metadata(metadata).unwrap();
+    libdd_crashtracker::update_metadata(metadata).unwrap();
 
     Ok(())
 }
 
-pub fn copy_receiver (receiver_config: &mut CrashtrackerReceiverConfig) -> Result<(), anyhow::Error> {
-    let parts: Vec<_> = receiver_config.path_to_receiver_binary.rsplit(path::MAIN_SEPARATOR).collect();
-    let dest = temp_dir().join(parts[0]);
-
-    std::fs::copy(&receiver_config.path_to_receiver_binary, &dest)?;
-
-    let mut perms = fs::metadata(&dest)?.permissions();
-
-    #[cfg(unix)]
-    perms.set_mode(0o777);
+#[napi]
+pub fn begin_profiler_serializing(_env: Env) -> napi::Result<()> {
+    let _ = libdd_crashtracker::begin_op(libdd_crashtracker::OpTypes::ProfilerSerializing);
 
-    fs::set_permissions(&dest, perms)?;
+    Ok(())
+}
 
-    receiver_config.path_to_receiver_binary = dest.to_string_lossy().to_string();
+#[napi]
+pub fn end_profiler_serializing(_env: Env) -> napi::Result<()> {
+    let _ = libdd_crashtracker::end_op(libdd_crashtracker::OpTypes::ProfilerSerializing);
 
     Ok(())
 }
diff --git a/crates/crashtracker/src/unhandled_exception.rs b/crates/crashtracker/src/unhandled_exception.rs
new file mode 100644
index 00000000..64dd8fcb
--- /dev/null
+++ b/crates/crashtracker/src/unhandled_exception.rs
@@ -0,0 +1,236 @@
+use napi::{Env, JsFunction, JsObject, JsUnknown};
+use napi_derive::napi;
+
+fn get_optional_string_property(obj: &JsObject, key: &str) -> napi::Result<Option<String>> {
+    match obj.get_named_property::<JsUnknown>(key) {
+        Ok(val) => {
+            use napi::ValueType;
+            if val.get_type()? == ValueType::String {
+                let s: String = val.coerce_to_string()?.into_utf8()?.as_str()?.to_owned();
+                if s.is_empty() {
+                    Ok(None)
+                } else {
+                    Ok(Some(s))
+                }
+            } else {
+                Ok(None)
+            }
+        }
+        Err(_) => Ok(None),
+    }
+}
+
+fn parse_v8_stack(stack: &str) -> libdd_crashtracker::StackTrace {
+    let mut frames = Vec::new();
+
+    for line in stack.lines().skip(1) {
+        let line = line.trim();
+        let line = match line.strip_prefix("at ") {
+            Some(rest) => rest,
+            None => continue,
+        };
+
+        let mut frame = libdd_crashtracker::StackFrame::new();
+
+        // Formats:
+        //   "functionName (file:line:col)"
+        //   "functionName (file:line)"
+        //   "file:line:col"
+        //   "file:line"
+        if let Some(paren_start) = line.rfind('(') {
+            let func_name = line[..paren_start].trim();
+            if !func_name.is_empty() {
+                frame.function = Some(func_name.to_string());
+            }
+            let location = line[paren_start + 1..].trim_end_matches(')');
+            parse_location(location, &mut frame);
+        } else {
+            parse_location(line, &mut frame);
+        }
+
+        frames.push(frame);
+    }
+
+    libdd_crashtracker::StackTrace::from_frames(frames, false)
+}
+
+fn parse_location(location: &str, frame: &mut libdd_crashtracker::StackFrame) {
+    // location is "file:line:col" or "file:line" or just "native" etc.
+    // The file portion may contain ":" ("node:internal/...")
+    // so we split from the right.
+    let parts: Vec<&str> = location.rsplitn(3, ':').collect();
+    match parts.len() {
+        3 => {
+            // col, line, file
+            frame.column = parts[0].parse().ok();
+            frame.line = parts[1].parse().ok();
+            frame.file = Some(parts[2].to_string());
+        }
+        2 => {
+            if let Ok(line_num) = parts[0].parse::<u32>() {
+                frame.line = Some(line_num);
+                frame.file = Some(parts[1].to_string());
+            } else {
+                frame.file = Some(location.to_string());
+            }
+        }
+        _ => {
+            frame.file = Some(location.to_string());
+        }
+    }
+}
+
+fn is_error_instance(env: &Env, value: &JsUnknown) -> napi::Result<bool> {
+    let global = env.get_global()?;
+    let error_ctor: JsFunction = global.get_named_property("Error")?;
+    value.instanceof(error_ctor)
+}
+
+fn stringify_js_value(value: JsUnknown) -> napi::Result<String> {
+    let s = value.coerce_to_string()?.into_utf8()?;
+    Ok(s.as_str()?.to_owned())
+}
+
+fn report_unhandled(env: &Env, error: JsUnknown, fallback_type: &str) -> napi::Result<()> {
+    let is_error = is_error_instance(env, &error)?;
+    let (exception_type, exception_message, stacktrace) = if is_error {
+        let error_obj: JsObject = error.coerce_to_object()?;
+        let name = get_optional_string_property(&error_obj, "name")?;
+        let message = get_optional_string_property(&error_obj, "message")?;
+        let stack_string = get_optional_string_property(&error_obj, "stack")?;
+        let stacktrace = match &stack_string {
+            Some(s) => parse_v8_stack(s),
+            None => libdd_crashtracker::StackTrace::new_incomplete(),
+        };
+        (name, message, stacktrace)
+    } else {
+        // This only fires for synchronous `throw <non-Error>`; node already
+        // wraps non-Error unhandled rejections in an Error object
+        let message = stringify_js_value(error).ok();
+        (
+            Some(fallback_type.to_string()),
+            message,
+            // libdatadog defines a missing stacktrace as incomplete
+            libdd_crashtracker::StackTrace::new_incomplete(),
+        )
+    };
+
+    libdd_crashtracker::report_unhandled_exception(
+        exception_type.as_deref(),
+        exception_message.as_deref(),
+        stacktrace,
+    )
+    .unwrap();
+
+    Ok(())
+}
+
+#[napi]
+pub fn report_uncaught_exception_monitor(
+    env: Env,
+    error: JsUnknown,
+    origin: String,
+) -> napi::Result<()> {
+    report_unhandled(&env, error, &origin)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse_v8_stack_typical_error() {
+        let stack = "\
+TypeError: Cannot read properties of undefined (reading 'foo')
+    at Object.method (/app/src/index.js:10:15)
+    at Module._compile (node:internal/modules/cjs/loader:1234:14)
+    at /app/src/helper.js:5:3";
+
+        let trace = parse_v8_stack(stack);
+        assert_eq!(trace.frames.len(), 3);
+        assert!(!trace.incomplete);
+
+        assert_eq!(trace.frames[0].function.as_deref(), Some("Object.method"));
+        assert_eq!(trace.frames[0].file.as_deref(), Some("/app/src/index.js"));
+        assert_eq!(trace.frames[0].line, Some(10));
+        assert_eq!(trace.frames[0].column, Some(15));
+
+        assert_eq!(trace.frames[1].function.as_deref(), Some("Module._compile"));
+        assert_eq!(
+            trace.frames[1].file.as_deref(),
+            Some("node:internal/modules/cjs/loader")
+        );
+        assert_eq!(trace.frames[1].line, Some(1234));
+        assert_eq!(trace.frames[1].column, Some(14));
+
+        assert_eq!(trace.frames[2].function, None);
+        assert_eq!(trace.frames[2].file.as_deref(), Some("/app/src/helper.js"));
+        assert_eq!(trace.frames[2].line, Some(5));
+        assert_eq!(trace.frames[2].column, Some(3));
+    }
+
+    #[test]
+    fn test_parse_v8_stack_anonymous_and_native() {
+        let stack = "\
+Error: boom
+    at <anonymous>:1:1
+    at native";
+
+        let trace = parse_v8_stack(stack);
+        assert_eq!(trace.frames.len(), 2);
+
+        assert_eq!(trace.frames[0].file.as_deref(), Some("<anonymous>"));
+        assert_eq!(trace.frames[0].line, Some(1));
+        assert_eq!(trace.frames[0].column, Some(1));
+
+        assert_eq!(trace.frames[1].file.as_deref(), Some("native"));
+        assert_eq!(trace.frames[1].line, None);
+    }
+
+    #[test]
+    fn test_parse_v8_stack_empty() {
+        let stack = "Error: something";
+        let trace = parse_v8_stack(stack);
+        assert_eq!(trace.frames.len(), 0);
+        assert!(!trace.incomplete);
+    }
+
+    #[test]
+    fn test_parse_location_file_line_col() {
+        let mut frame = libdd_crashtracker::StackFrame::new();
+        parse_location("/app/index.js:42:7", &mut frame);
+        assert_eq!(frame.file.as_deref(), Some("/app/index.js"));
+        assert_eq!(frame.line, Some(42));
+        assert_eq!(frame.column, Some(7));
+    }
+
+    #[test]
+    fn test_parse_location_node_internal() {
+        let mut frame = libdd_crashtracker::StackFrame::new();
+        parse_location("node:internal/modules/cjs/loader:1234:14", &mut frame);
+        assert_eq!(
+            frame.file.as_deref(),
+            Some("node:internal/modules/cjs/loader")
+        );
+        assert_eq!(frame.line, Some(1234));
+        assert_eq!(frame.column, Some(14));
+    }
+
+    #[test]
+    fn test_parse_location_no_column() {
+        let mut frame = libdd_crashtracker::StackFrame::new();
+        parse_location("/app/index.js:42", &mut frame);
+        assert_eq!(frame.file.as_deref(), Some("/app/index.js"));
+        assert_eq!(frame.line, Some(42));
+        assert_eq!(frame.column, None);
+    }
+
+    #[test]
+    fn test_parse_location_bare_path() {
+        let mut frame = libdd_crashtracker::StackFrame::new();
+        parse_location("native", &mut frame);
+        assert_eq!(frame.file.as_deref(), Some("native"));
+        assert_eq!(frame.line, None);
+        assert_eq!(frame.column, None);
+    }
+}
diff --git a/crates/datadog-js-zstd/Cargo.toml b/crates/datadog-js-zstd/Cargo.toml
new file mode 100644
index 00000000..6a4a626d
--- /dev/null
+++ b/crates/datadog-js-zstd/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "datadog-js-zstd"
+version = "0.1.0"
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+wasm-bindgen = "0.2.100"
+zstd = "0.13.3"
+js-sys = "0.3.77"
+
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O", "--enable-bulk-memory"]
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.50"
diff --git a/crates/datadog-js-zstd/src/lib.rs b/crates/datadog-js-zstd/src/lib.rs
new file mode 100644
index 00000000..fed9b1c7
--- /dev/null
+++ b/crates/datadog-js-zstd/src/lib.rs
@@ -0,0 +1,9 @@
+use js_sys::Uint8Array;
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub fn zstd_compress(data: Uint8Array, level: i32) -> Uint8Array {
+    let vecdata = data.to_vec();
+    let compressed_data = zstd::encode_all(&vecdata[..], level).expect("Failed to compress data");
+    Uint8Array::from(compressed_data.as_slice())
+}
diff --git a/crates/library_config/Cargo.toml b/crates/library_config/Cargo.toml
new file mode 100644
index 00000000..b6deab09
--- /dev/null
+++ b/crates/library_config/Cargo.toml
@@ -0,0 +1,24 @@
+[package]
+name = "library-config"
+version = "0.2.0"
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+anyhow = "1"
+libdd-library-config = { git = "https://github.com/DataDog/libdatadog.git", rev = "0c6e2a5df2a163d34c4f385353ffc5d7257c72f4" }
+
+wasm-bindgen = "0.2.100"
+serde = { version = "1.0", features = ["derive"] }
+serde-wasm-bindgen = "0.4"
+
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O", "--enable-bulk-memory"]
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.50"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2", features = ["js"] }
diff --git a/crates/library_config/src/lib.rs b/crates/library_config/src/lib.rs
new file mode 100644
index 00000000..6896a63c
--- /dev/null
+++ b/crates/library_config/src/lib.rs
@@ -0,0 +1,137 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub struct JsConfigurator {
+    configurator: Box<libdd_library_config::Configurator>,
+    envp: Vec<String>,
+    args: Vec<String>,
+}
+
+#[wasm_bindgen]
+pub struct ConfigEntry {
+    name: String,
+    value: String,
+    source: String,
+    config_id: String,
+}
+
+#[wasm_bindgen]
+impl ConfigEntry {
+    #[wasm_bindgen(constructor)]
+    pub fn new(name: String, value: String, source: String, config_id: String) -> ConfigEntry {
+        ConfigEntry {
+            name,
+            value,
+            source,
+            config_id,
+        }
+    }
+    #[wasm_bindgen(getter)]
+    pub fn name(&self) -> String {
+        self.name.clone()
+    }
+    #[wasm_bindgen(getter)]
+    pub fn value(&self) -> String {
+        self.value.clone()
+    }
+    #[wasm_bindgen(getter)]
+    pub fn source(&self) -> String {
+        self.source.clone()
+    }
+    #[wasm_bindgen(getter)]
+    pub fn config_id(&self) -> String {
+        self.config_id.clone()
+    }
+}
+
+#[wasm_bindgen]
+impl JsConfigurator {
+    #[wasm_bindgen(constructor)]
+    pub fn new() -> Self {
+        JsConfigurator {
+            configurator: Box::new(libdd_library_config::Configurator::new(false)), // No debug log as WASM can't write to stdout
+            envp: Vec::new(),
+            args: Vec::new(),
+        }
+    }
+
+    #[wasm_bindgen]
+    pub fn set_envp(&mut self, envp: Box<[JsValue]>) -> Result<(), JsValue> {
+        self.envp = envp.iter().filter_map(|val| val.as_string()).collect();
+        Ok(())
+    }
+
+    #[wasm_bindgen]
+    pub fn set_args(&mut self, args: Box<[JsValue]>) -> Result<(), JsValue> {
+        self.args = args.iter().filter_map(|val| val.as_string()).collect();
+        Ok(())
+    }
+
+    #[wasm_bindgen]
+    pub fn get_config_local_path(&self, target: String) -> Result<String, JsValue> {
+        let target_enum = match target.as_str() {
+            "linux" => libdd_library_config::Target::Linux,
+            "win32" => libdd_library_config::Target::Windows,
+            "darwin" => libdd_library_config::Target::Macos,
+            _ => return Err(JsValue::from_str("Unsupported target")),
+        };
+        Ok(
+            libdd_library_config::Configurator::local_stable_configuration_path(target_enum)
+                .to_string(),
+        )
+    }
+
+    #[wasm_bindgen]
+    pub fn get_config_managed_path(&self, target: String) -> Result<String, JsValue> {
+        let target_enum = match target.as_str() {
+            "linux" => libdd_library_config::Target::Linux,
+            "win32" => libdd_library_config::Target::Windows,
+            "darwin" => libdd_library_config::Target::Macos,
+            _ => return Err(JsValue::from_str("Unsupported target")),
+        };
+        Ok(
+            libdd_library_config::Configurator::fleet_stable_configuration_path(target_enum)
+                .to_string(),
+        )
+    }
+
+    #[wasm_bindgen]
+    pub fn get_configuration(
+        &self,
+        config_string_local: String,
+        config_string_managed: String,
+    ) -> Result<Vec<ConfigEntry>, JsValue> {
+        let envp: Vec<Vec<u8>> = self.envp.iter().map(|s| s.as_bytes().to_vec()).collect();
+
+        let args: Vec<Vec<u8>> = self.args.iter().map(|s| s.as_bytes().to_vec()).collect();
+
+        let res_config = self.configurator.get_config_from_bytes(
+            config_string_local.as_bytes(),
+            config_string_managed.as_bytes(),
+            libdd_library_config::ProcessInfo {
+                envp: envp,
+                args: args,
+                language: b"nodejs".to_vec(),
+            },
+        );
+
+        match res_config {
+            Ok(config) => {
+                let config_entries: Vec<ConfigEntry> = config
+                    .into_iter()
+                    .map(|c| ConfigEntry {
+                        name: c.name.to_string().into(),
+                        value: c.value,
+                        source: c.source.to_str().into(),
+                        config_id: c.config_id.unwrap_or_default(),
+                    })
+                    .collect();
+                Ok(config_entries)
+            }
+            Err(e) => Err(JsValue::from_str(&format!(
+                "Failed to get configuration: {:?}",
+                e
+            ))),
+        }
+    }
+}
diff --git a/crates/pipeline/Cargo.toml b/crates/pipeline/Cargo.toml
index e98036d8..0d914374 100644
--- a/crates/pipeline/Cargo.toml
+++ b/crates/pipeline/Cargo.toml
@@ -1,17 +1,42 @@
 [package]
 name = "pipeline"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
+description = "Wasm binding for pipeline span management and trace export"
 
 [lib]
-crate-type = ["cdylib"]
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-data-pipeline = { git = "https://github.com/DataDog/libdatadog.git", branch = "julio/nodejs-integration" }
+wasm-bindgen = "0.2"
+wasm-bindgen-futures = "0.4"
+js-sys = "0.3"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1"
+libdatadog-nodejs-capabilities = { path = "../capabilities" }
+libdd-capabilities = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7" }
+libdd-common = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7", default-features = false }
+libdd-data-pipeline = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7", default-features = false, features = ["telemetry"] }
+libdd-trace-utils = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7", default-features = false, features = ["change-buffer"] }
+libdd-trace-stats = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7", default-features = false }
+libdd-trace-protobuf = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7", default-features = false }
+libdd-shared-runtime = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7", default-features = false }
+rmp-serde = "1"
+bytes = "1"
+http = "1"
+web-time = "1"
+console_error_panic_hook = "0.1"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2", features = ["js"] }
+uuid = { version = "1", features = ["js"] }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3"
 
-[dependencies.neon]
-version = "1.0.0"
-default-features = false
-features = ["napi-6"]
+# The pipeline wasm uses post-MVP features (bulk-memory for change-buffer
+# copies, sign-extension, etc.) that the wasm-opt bundled with wasm-pack does
+# not enable by default. Pass --all-features so wasm-opt validation passes
+# (the smaller wasm crates don't hit this, so it's set per-crate here).
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ['-O', '--all-features']
diff --git a/crates/pipeline/src/lib.rs b/crates/pipeline/src/lib.rs
index 652d5c22..eb25866e 100644
--- a/crates/pipeline/src/lib.rs
+++ b/crates/pipeline/src/lib.rs
@@ -1,77 +1,983 @@
-use std::borrow::BorrowMut;
-use std::sync::Mutex;
-use std::cell::OnceCell;
-use neon::prelude::*;
-use neon::types::buffer::TypedArray;
-use data_pipeline::trace_exporter::TraceExporter;
-use data_pipeline::trace_exporter::TraceExporterBuilder;
+use libdatadog_nodejs_capabilities::WasmCapabilities;
+use libdd_data_pipeline::trace_exporter::agent_response::AgentResponse;
+use libdd_data_pipeline::trace_exporter::{
+    TelemetryConfig, TraceExporter, TraceExporterBuilder, TraceExporterOutputFormat,
+};
+use libdd_data_pipeline::OtlpProtocol;
+use libdd_shared_runtime::LocalRuntime;
+use std::cell::{Cell, RefCell, UnsafeCell};
+use std::ffi::CStr;
+use std::time::Duration;
 
-static EXPORTER: Mutex<OnceCell<TraceExporter>> = Mutex::new(OnceCell::new());
+use wasm_bindgen::prelude::*;
 
-#[neon::main]
-fn main (mut cx: ModuleContext) -> NeonResult<()> {
-    register(&mut cx)
+mod span_string;
+
+mod span_bytes;
+
+mod trace_data;
+use trace_data::*;
+
+mod stats;
+
+use libdd_trace_utils::change_buffer::{ChangeBuffer, ChangeBufferState};
+use libdd_trace_utils::span::v04::{AttributeAnyValue, AttributeArrayValue, SpanEvent};
+use span_string::SpanString;
+use std::collections::HashMap;
+
+mod utils;
+use utils::*;
+
+#[wasm_bindgen(start)]
+fn init() {
+    console_error_panic_hook::set_once();
 }
 
-fn register (cx: &mut ModuleContext) -> NeonResult<()> {
-    cx.export_function("init_trace_exporter", init_trace_exporter)?;
-    cx.export_function("send_traces", send_traces)?;
+// --- span event attribute decoding ---
+//
+// `addSpanEvent` receives its attributes as a flat little-endian buffer built
+// by dd-trace-js. Layout: repeated entries until the buffer is exhausted, each
+//   [key_len: u32][key: utf8][tag: u8] + value
+// where the value depends on `tag`:
+//   0 String  [len: u32][utf8]
+//   1 Boolean [u8 (0/1)]
+//   2 Integer [i64]
+//   3 Double  [f64]
+//   4 Array   [count: u32] then `count` items, each [item_tag: u8][scalar]
+//             (item_tag must be 0..=3; nested arrays are rejected)
+// The tags mirror libdatadog's `AttributeArrayValue` discriminants
+// (String=0, Boolean=1, Integer=2, Double=3, Array=4). Every read is bounded
+// against the buffer so a malformed/truncated buffer errors instead of
+// panicking (matching the hardening in `stringTableInsertMany`/`prepareChunk`).
 
+fn se_need(buf: &[u8], idx: usize, n: usize) -> Result<(), JsValue> {
+    // Avoid `idx + n` overflowing: on wasm32 `usize` is 32-bit, and `n` can be
+    // a u32-derived length (e.g. a crafted `key_len`) near `usize::MAX`, which
+    // would wrap and let a too-large read slip past the bound and trap on the
+    // slice. `idx` never exceeds `buf.len()` (it only advances after a checked
+    // read), so `buf.len() - idx` is the safe remaining-byte form.
+    if idx > buf.len() || n > buf.len() - idx {
+        return Err(JsValue::from_str(
+            "addSpanEvent: truncated span-event attribute buffer",
+        ));
+    }
     Ok(())
 }
 
-fn trace_exporter_init(
-    host: &str,
-    port: u16,
-    timeout: u64,
-    tracer_version: &str,
-    lang: &str,
-    lang_version: &str,
-    lang_interpreter: &str) {
+fn se_read_u8(buf: &[u8], idx: &mut usize) -> Result<u8, JsValue> {
+    se_need(buf, *idx, 1)?;
+    let b = buf[*idx];
+    *idx += 1;
+    Ok(b)
+}
+
+fn se_read_u32(buf: &[u8], idx: &mut usize) -> Result<u32, JsValue> {
+    se_need(buf, *idx, 4)?;
+    get_num(buf, idx)
+        .ok_or_else(|| JsValue::from_str("addSpanEvent: truncated span-event attribute buffer"))
+}
+
+fn se_read_str(buf: &[u8], idx: &mut usize) -> Result<SpanString, JsValue> {
+    let len = se_read_u32(buf, idx)? as usize;
+    se_need(buf, *idx, len)?;
+    let s = std::str::from_utf8(&buf[*idx..*idx + len])
+        .map_err(|e| JsValue::from_str(&format!("addSpanEvent: invalid utf8: {e}")))?;
+    *idx += len;
+    Ok(s.into())
+}
+
+fn se_read_scalar(
+    buf: &[u8],
+    idx: &mut usize,
+    tag: u8,
+) -> Result<AttributeArrayValue<WasmTraceData>, JsValue> {
+    match tag {
+        0 => Ok(AttributeArrayValue::String(se_read_str(buf, idx)?)),
+        1 => Ok(AttributeArrayValue::Boolean(se_read_u8(buf, idx)? != 0)),
+        2 => {
+            se_need(buf, *idx, 8)?;
+            let n = get_num(buf, idx).ok_or_else(|| {
+                JsValue::from_str("addSpanEvent: truncated span-event attribute buffer")
+            })?;
+            Ok(AttributeArrayValue::Integer(n))
+        }
+        3 => {
+            se_need(buf, *idx, 8)?;
+            let n = get_num(buf, idx).ok_or_else(|| {
+                JsValue::from_str("addSpanEvent: truncated span-event attribute buffer")
+            })?;
+            Ok(AttributeArrayValue::Double(n))
+        }
+        _ => Err(JsValue::from_str(
+            "addSpanEvent: invalid span-event attribute tag",
+        )),
+    }
+}
+
+fn decode_span_event_attributes(
+    buf: &[u8],
+) -> Result<HashMap<SpanString, AttributeAnyValue<WasmTraceData>>, JsValue> {
+    let mut attributes = HashMap::new();
+    let mut idx = 0usize;
+    while idx < buf.len() {
+        let key = se_read_str(buf, &mut idx)?;
+        let tag = se_read_u8(buf, &mut idx)?;
+        let value = if tag == 4 {
+            let count = se_read_u32(buf, &mut idx)? as usize;
+            // Each item is at least 1 byte (its tag), so cap the pre-allocation
+            // to the remaining buffer: an inflated count can't force a huge
+            // allocation, and the per-item bounded reads catch truncation.
+            let mut items = Vec::with_capacity(count.min(buf.len().saturating_sub(idx)));
+            for _ in 0..count {
+                let item_tag = se_read_u8(buf, &mut idx)?;
+                if item_tag == 4 {
+                    return Err(JsValue::from_str(
+                        "addSpanEvent: nested arrays are not supported",
+                    ));
+                }
+                items.push(se_read_scalar(buf, &mut idx, item_tag)?);
+            }
+            AttributeAnyValue::Array(items)
+        } else {
+            AttributeAnyValue::SingleValue(se_read_scalar(buf, &mut idx, tag)?)
+        };
+        attributes.insert(key, value);
+    }
+    Ok(attributes)
+}
+
+#[wasm_bindgen]
+/// All mutable state is behind RefCell to allow `&self` methods on the
+/// wasm-bindgen wrapper. This prevents re-entrant borrow panics when:
+/// - Plugin instrumentation triggers span creation inside another span's
+///   creation (e.g., http client span created during express handler)
+/// - Async `flushChunk` holds a borrow across await points while other
+///   span operations need access
+pub struct WasmSpanState {
+    change_queue: Vec<u8>,
+    string_table_input: Vec<u8>,
+    /// UnsafeCell because send_trace_chunks_async needs &mut self across an
+    /// await point. WASM is single-threaded so this is safe — we just need
+    /// to ensure no overlapping mutable borrows (guaranteed by the JS-side
+    /// _flushInFlight guard which serializes sendPreparedChunk calls).
+    /// On wasm the exporter must be built asynchronously (`build_async`), but
+    /// the wasm-bindgen constructor is synchronous. We stash the configured
+    /// builder here and build the exporter lazily on the first send (the only
+    /// path that needs it), inside an async context.
+    // On wasm the exporter runs on a single-threaded `LocalRuntime` (workers
+    // spawned via wasm_bindgen_futures::spawn_local); the multi-thread
+    // ForkSafeRuntime/BasicRuntime are native-only.
+    exporter: UnsafeCell<Option<TraceExporter<WasmCapabilities, LocalRuntime>>>,
+    builder: UnsafeCell<Option<TraceExporterBuilder<LocalRuntime>>>,
+    cbs: RefCell<ChangeBufferState<WasmTraceData>>,
+    stats_collector: RefCell<Option<stats::StatsCollector>>,
+    /// Chunks staged by `prepareChunk`, one per trace (segment), sent together by
+    /// `sendPreparedChunk` as a single multi-trace request. The exporter groups a
+    /// flush batch by trace and calls `prepareChunk` once per trace so each chunk
+    /// carries exactly one segment's spans with correct per-trace tags.
+    prepared_spans: RefCell<Vec<Vec<libdd_trace_utils::span::v04::Span<WasmTraceData>>>>,
+    /// Re-entrancy guard for `sendPreparedChunk`. wasm-bindgen async exports
+    /// can be invoked again from JS before the prior future resolves; without
+    /// this, two calls would each take `&mut` out of `exporter`/`builder` and
+    /// alias across the await (UB). The guard makes a re-entrant call return
+    /// an error instead.
+    sending: Cell<bool>,
+    /// When true, the lazily-built exporter is configured for v0.5 output
+    /// (`/v0.5/traces`) instead of the default v0.4. v0.5 is a smaller, fixed
+    /// 12-field schema with NO slots for `meta_struct`/`span_events`/`span_links`,
+    /// so libdatadog's v0.5 serializer silently drops them — this mirrors
+    /// dd-trace-js master's v0.5 encoder and is intentional. Caller (dd-trace-js)
+    /// must only enable this after confirming the agent advertises `/v0.5/traces`
+    /// (libdd does NOT downgrade V05 the way it does V1). The output format is
+    /// fixed once the exporter is built on the first send, so `setUseV05` only
+    /// takes effect if called before then.
+    use_v05: Cell<bool>,
+    /// When set, the lazily-built exporter is configured to export traces via
+    /// OTLP HTTP to this endpoint (e.g. an OTel Collector) INSTEAD of the
+    /// Datadog agent. libdatadog maps its internal traces to OTLP, so no
+    /// JS-formatted spans are involved. Like `use_v05`, only takes effect if
+    /// set before the first send (when the exporter is built).
+    otlp_endpoint: Cell<Option<String>>,
+    /// OTLP wire protocol (`http/json` default, or `http/protobuf`). Only
+    /// applied when `otlp_endpoint` is set.
+    otlp_protocol: Cell<Option<OtlpProtocol>>,
+    /// Extra HTTP headers for OTLP export (e.g. collector auth), as key/value
+    /// pairs. Only applied when `otlp_endpoint` is set.
+    otlp_headers: Cell<Vec<(String, String)>>,
+    /// When set, the lazily-built exporter has telemetry enabled with this
+    /// config. Only takes effect if set before the first send
+    /// (when the exporter is built).
+    telemetry_config: Cell<Option<TelemetryConfig>>,
+    /// Latched message from a failed lazy `build_async`. Building is one-shot and
+    /// a failure is fatal (bad config), so once set every send returns it (as a
+    /// distinguishable error) instead of a misleading "builder already consumed",
+    /// letting the host stop retrying.
+    build_error: RefCell<Option<String>>,
+}
+
+/// Clears an in-flight flag on drop, so an early return or a dropped future
+/// still resets it.
+struct InFlightGuard<'a>(&'a Cell<bool>);
+impl Drop for InFlightGuard<'_> {
+    fn drop(&mut self) {
+        self.0.set(false);
+    }
+}
 
-    EXPORTER.lock().unwrap().get_or_init(|| {
-        TraceExporterBuilder::default()
-            .set_host(host)
-            .set_port(port)
+fn stats_flush_result(sent: bool, collapsed_spans: u64) -> Result<JsValue, JsValue> {
+    let result = js_sys::Object::new();
+    js_sys::Reflect::set(
+        &result,
+        &JsValue::from_str("sent"),
+        &JsValue::from_bool(sent),
+    )?;
+    js_sys::Reflect::set(
+        &result,
+        &JsValue::from_str("collapsedSpans"),
+        &JsValue::from_f64(collapsed_spans as f64),
+    )?;
+    Ok(result.into())
+}
+
+#[wasm_bindgen]
+impl WasmSpanState {
+    #[wasm_bindgen(constructor)]
+    pub fn new(
+        url: &str,
+        tracer_version: &str,
+        lang: &str,
+        lang_version: &str,
+        lang_interpreter: &str,
+        change_queue_size: u32,
+        string_table_input_size: u32,
+        pid: u32,
+        tracer_service: &str,
+        stats_enabled: bool,
+        hostname: &str,
+        env: &str,
+        app_version: &str,
+        runtime_id: &str,
+        client_computed_stats: bool,
+    ) -> Result<WasmSpanState, JsValue> {
+        let mut builder = TraceExporterBuilder::<LocalRuntime>::new();
+        builder
+            .set_url(url)
             .set_tracer_version(tracer_version)
             .set_language(lang)
             .set_language_version(lang_version)
             .set_language_interpreter(lang_interpreter)
-            .set_timeout(timeout)
-            .build()
-            .unwrap()
+            .set_otlp_instrumentation_scope("dd-trace-js", tracer_version)
+            // Populate the payload-level TracerMetadata (service/env/hostname/
+            // app_version) the agent receives. These values are already passed
+            // in for the stats collector; without these calls the trace
+            // payload's tracer metadata is sent empty.
+            .set_service(tracer_service)
+            .set_env(env)
+            .set_hostname(hostname)
+            .set_app_version(app_version)
+            .set_runtime_id(runtime_id)
+            .enable_agent_rates_payload_version();
 
-    });
-}
+        // Advertise `Datadog-Client-Computed-Stats` so the agent skips its own
+        // APM stats/sampling for these traces. This is required in two cases:
+        //  - `stats_enabled`: we build a StatsCollector and send client-side
+        //    stats, so the agent MUST NOT also compute them (double counting);
+        //  - `client_computed_stats`: set independently for APM-standalone
+        //    (apmTracingEnabled=false), where the agent should skip APM stats
+        //    even though we don't compute them client-side.
+        // Enabling stats therefore always implies the header, so OR the flags
+        // rather than relying on the caller to keep them in sync.
+        if client_computed_stats || stats_enabled {
+            builder.set_client_computed_stats();
+        }
+
+        let mut change_queue = vec![0u8; change_queue_size as usize];
+        let change_buffer = unsafe {
+            ChangeBuffer::from_raw_parts(
+                std::ptr::NonNull::new(change_queue.as_mut_ptr())
+                    .expect("Vec::as_mut_ptr is never null"),
+                change_queue.len(),
+            )
+        };
+        let change_buffer_state = ChangeBufferState::new(
+            change_buffer,
+            tracer_service.into(),
+            // The change buffer stamps this onto every span's `language` meta tag.
+            // For the Node.js tracer that must be "javascript" (matching the JS
+            // pipeline's span_format), NOT the `Datadog-Meta-Lang: nodejs` header
+            // value (`lang`) that identifies the tracer library to the agent. The
+            // two legitimately differ for Node, so we can't reuse `lang` here.
+            "javascript".into(),
+            pid,
+        );
+
+        let stats_collector = if stats_enabled {
+            Some(stats::StatsCollector::new(
+                Duration::from_secs(10),
+                url.to_string(),
+                stats::StatsMeta {
+                    hostname: hostname.to_string(),
+                    env: env.to_string(),
+                    version: app_version.to_string(),
+                    lang: lang.to_string(),
+                    tracer_version: tracer_version.to_string(),
+                    runtime_id: runtime_id.to_string(),
+                    service: tracer_service.to_string(),
+                },
+            ))
+        } else {
+            None
+        };
+
+        Ok(WasmSpanState {
+            change_queue,
+            string_table_input: vec![0u8; string_table_input_size as usize],
+            exporter: UnsafeCell::new(None),
+            builder: UnsafeCell::new(Some(builder)),
+            cbs: RefCell::new(change_buffer_state),
+            stats_collector: RefCell::new(stats_collector),
+            prepared_spans: RefCell::new(Vec::new()),
+            sending: Cell::new(false),
+            use_v05: Cell::new(false),
+            otlp_endpoint: Cell::new(None),
+            otlp_protocol: Cell::new(None),
+            otlp_headers: Cell::new(Vec::new()),
+            telemetry_config: Cell::new(None),
+            build_error: RefCell::new(None),
+        })
+    }
+
+    /// Select v0.5 output for the trace exporter. Must be called before the
+    /// first `sendPreparedChunk` (the exporter is built lazily on first send and
+    /// the output format is fixed at build time; later calls have no effect).
+    ///
+    /// v0.5 silently drops `meta_struct` (and top-level `span_events`/`span_links`)
+    /// because the v0.5 wire schema has no slots for them — the caller is
+    /// responsible for only enabling this when the agent supports `/v0.5/traces`.
+    #[wasm_bindgen(js_name = "setUseV05")]
+    pub fn set_use_v05(&self, v: bool) {
+        self.use_v05.set(v);
+    }
+
+    /// Route trace export through libdatadog's OTLP HTTP exporter to `url`
+    /// instead of the Datadog agent. Must be called before the first send.
+    /// Takes precedence over `setUseV05` (OTLP bypasses the agent entirely).
+    #[wasm_bindgen(js_name = "setOtlpEndpoint")]
+    pub fn set_otlp_endpoint(&self, url: String) {
+        self.otlp_endpoint.set(Some(url));
+    }
+
+    /// Select the OTLP wire protocol: `http/json` (default) or `http/protobuf`.
+    /// Rejects unsupported values (e.g. `grpc`). Only takes effect with an OTLP
+    /// endpoint set, before the first send.
+    #[wasm_bindgen(js_name = "setOtlpProtocol")]
+    pub fn set_otlp_protocol(&self, protocol: String) -> Result<(), JsValue> {
+        let parsed = protocol
+            .parse::<OtlpProtocol>()
+            .map_err(|e| JsValue::from_str(&format!("setOtlpProtocol: {e}")))?;
+        self.otlp_protocol.set(Some(parsed));
+        Ok(())
+    }
+
+    /// Enable telemetry on the lazily-built trace exporter.
+    ///
+    /// Must be called before the first `sendPreparedChunk`. Later calls have
+    /// no effect.
+    ///
+    /// # Arguments
+    ///
+    /// - `heartbeat_ms`: sets the metric-flush cadence. Set to 0 to defer to
+    ///   libdatadog's default interval.
+    /// - `runtime_id`: tags telemetry payloads with the tracer's runtime id when provided
+    /// - `debug_enabled`: toggles libdd-telemetry's verbose logging
+    #[wasm_bindgen(js_name = "enableTelemetry")]
+    pub fn enable_telemetry(
+        &self,
+        heartbeat_ms: u32,
+        runtime_id: Option<String>,
+        debug_enabled: bool,
+    ) {
+        self.telemetry_config.set(Some(TelemetryConfig {
+            heartbeat: u64::from(heartbeat_ms),
+            runtime_id,
+            debug_enabled,
+        }));
+    }
+
+    /// Set extra HTTP headers for OTLP export as a flat `[key, value, ...]`
+    /// array (the host flattens its key/value map). Only takes effect with an
+    /// OTLP endpoint set, before the first send. A trailing unpaired element on
+    /// an odd-length array is ignored. Each call replaces any previously set headers.
+    #[wasm_bindgen(js_name = "setOtlpHeaders")]
+    pub fn set_otlp_headers(&self, kv: Vec<String>) {
+        // chunks_exact drops a trailing unpaired element; the host always passes
+        // complete [key, value] pairs.
+        let headers = kv
+            .chunks_exact(2)
+            .map(|pair| (pair[0].clone(), pair[1].clone()))
+            .collect();
+        self.otlp_headers.set(headers);
+    }
+
+    #[wasm_bindgen]
+    pub fn change_queue_ptr(&self) -> *const u8 {
+        self.change_queue.as_ptr()
+    }
+
+    #[wasm_bindgen]
+    pub fn change_queue_len(&self) -> u32 {
+        self.change_queue.len() as u32
+    }
+
+    #[wasm_bindgen]
+    pub fn string_table_input_ptr(&self) -> *const u8 {
+        self.string_table_input.as_ptr()
+    }
+
+    #[wasm_bindgen]
+    pub fn string_table_input_len(&self) -> u32 {
+        self.string_table_input.len() as u32
+    }
 
-fn init_trace_exporter(mut cx: FunctionContext) -> JsResult<JsUndefined>{
-    let host = cx.argument::<JsString>(0)?.value(cx.borrow_mut());
-    let port = cx.argument::<JsNumber>(1)?.value(cx.borrow_mut());
-    let timeout = cx.argument::<JsNumber>(2)?.value(cx.borrow_mut());
-    let tracer_version = cx.argument::<JsString>(3)?.value(cx.borrow_mut());
-    let lang = cx.argument::<JsString>(4)?.value(cx.borrow_mut());
-    let lang_version = cx.argument::<JsString>(5)?.value(cx.borrow_mut());
-    let lang_interpreter = cx.argument::<JsString>(5)?.value(cx.borrow_mut());
+    /// Prepare a chunk of spans for sending. Flushes the change buffer,
+    /// extracts spans, feeds stats. Returns `true` if a chunk was prepared
+    /// (there are spans to send) and `false` if there was nothing to send.
+    /// Must be followed by `sendPreparedChunk()` to actually send.
+    #[wasm_bindgen(js_name = "prepareChunk")]
+    pub fn prepare_chunk(
+        &self,
+        len: u32,
+        first_is_local_root: bool,
+        chunk: &[u8],
+    ) -> Result<bool, JsValue> {
+        // Validate the JS-supplied count against the actual buffer size before
+        // doing any work: each span id is a u64 (8 bytes). This prevents an
+        // out-of-bounds read panic (and a huge `Vec::with_capacity`) when the
+        // caller passes a `len` larger than the chunk can hold.
+        if (len as usize).saturating_mul(8) > chunk.len() {
+            return Err(JsValue::from_str(
+                "prepareChunk: len exceeds the span-id bytes available in chunk",
+            ));
+        }
+        if len == 0 {
+            // Nothing to prepare for this trace; leave any chunks already staged
+            // for other traces in this same flush untouched.
+            return Ok(false);
+        }
 
-    trace_exporter_init(
-        &host,
-        port as u16,
-        timeout as u64,
-        &tracer_version,
-        &lang,
-        &lang_version,
-        &lang_interpreter);
+        self.cbs
+            .borrow_mut()
+            .flush_change_buffer()
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
 
-    Ok(cx.undefined())
+        let mut count = len;
+        let mut index = 0;
+        let mut span_ids = Vec::with_capacity(count as usize);
+        while count > 0 {
+            let span_id: u64 = get_num(chunk, &mut index)
+                .ok_or_else(|| JsValue::from_str("prepareChunk: span id index out of bounds"))?;
+            span_ids.push(span_id);
+            count -= 1;
+        }
+
+        let spans_vec = self
+            .cbs
+            .borrow_mut()
+            .flush_chunk(&span_ids, first_is_local_root)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+
+        if let Some(collector) = self.stats_collector.borrow_mut().as_mut() {
+            collector.add_spans(&spans_vec);
+        }
+
+        // Stage this trace's chunk for the subsequent sendPreparedChunk call.
+        // Multiple prepareChunk calls (one per trace) accumulate here and are
+        // sent together as one multi-trace request. An empty result (e.g. every
+        // span already extracted) is not staged.
+        let has_spans = !spans_vec.is_empty();
+        if has_spans {
+            self.prepared_spans.borrow_mut().push(spans_vec);
+        }
+        Ok(has_spans)
+    }
+
+    /// Send the previously prepared chunk.
+    ///
+    /// Uses `&self` (not `&mut self`); exclusive access to the exporter is
+    /// enforced at runtime by the `sending` re-entrancy guard below rather
+    /// than by the borrow checker. WASM is single-threaded, so the only way
+    /// two `&mut` to the exporter could co-exist is async re-entrancy (JS
+    /// calling this again before the prior future resolves) — the guard
+    /// rejects that with an error instead of allowing aliasing (UB).
+    #[wasm_bindgen(js_name = "sendPreparedChunk")]
+    pub async fn send_prepared_chunk(&self) -> Result<JsValue, JsValue> {
+        if self.sending.get() {
+            return Err(JsValue::from_str("sendPreparedChunk is already in flight"));
+        }
+        self.sending.set(true);
+        let _in_flight = InFlightGuard(&self.sending);
+
+        let chunks = std::mem::take(&mut *self.prepared_spans.borrow_mut());
+        if chunks.is_empty() {
+            return Err(JsValue::from_str("no prepared chunk to send"));
+        }
+
+        // SAFETY: WASM is single-threaded and the `sending` guard above
+        // guarantees no overlapping invocation, so this is the only live
+        // reference to the exporter for the duration of the awaits.
+        let exporter_slot = unsafe { &mut *self.exporter.get() };
+        if exporter_slot.is_none() {
+            // A previous build attempt failed. Building is one-shot and the
+            // failure is fatal (bad config won't fix itself), so return it
+            // consistently — as a distinguishable error the host bails on —
+            // rather than a misleading "builder already consumed".
+            if let Some(msg) = self.build_error.borrow().clone() {
+                return Err(build_failure_error(&msg));
+            }
+            // First send: build the exporter asynchronously. `build` is not
+            // available on wasm (it needs a blocking runtime), so we drive
+            // `build_async` here where we already have an async context.
+            let mut builder = unsafe { &mut *self.builder.get() }
+                .take()
+                .ok_or_else(|| JsValue::from_str("exporter builder already consumed"))?;
+            // Output format is decided here, at first build, and then fixed.
+            // v0.5 drops meta_struct/span_events/span_links by design (the v0.5
+            // schema has no slots for them); dd-trace-js only enables this after
+            // confirming agent `/v0.5/traces` support via `/info`.
+            if self.use_v05.get() {
+                builder.set_output_format(TraceExporterOutputFormat::V05);
+            }
+            // When an OTLP endpoint is configured, libdatadog exports traces via
+            // OTLP HTTP to that endpoint instead of the Datadog agent (mutually
+            // exclusive with the agent v0.4/v0.5 path).
+            if let Some(url) = self.otlp_endpoint.take() {
+                builder.set_otlp_endpoint(&url);
+                if let Some(protocol) = self.otlp_protocol.take() {
+                    builder.set_otlp_protocol(protocol);
+                }
+                let headers = self.otlp_headers.take();
+                if !headers.is_empty() {
+                    builder.set_otlp_headers(headers);
+                }
+            }
+            if let Some(cfg) = self.telemetry_config.take() {
+                builder.enable_telemetry(cfg);
+            }
+            match builder.build_async::<WasmCapabilities>().await {
+                Ok(built) => *exporter_slot = Some(built),
+                Err(e) => {
+                    // Latch the failure: the builder is now consumed and the
+                    // config won't change, so every later send must fail fast.
+                    let msg = format!("native exporter build failed: {e:?}");
+                    *self.build_error.borrow_mut() = Some(msg.clone());
+                    return Err(build_failure_error(&msg));
+                }
+            }
+        }
+        let exporter = match exporter_slot.as_mut() {
+            Some(exporter) => exporter,
+            // Unreachable: the block above either set `Some` or returned early.
+            None => return Err(build_failure_error("native exporter unavailable")),
+        };
+        let resp = exporter.send_trace_chunks_async(chunks).await;
+        let response_str = resp.map(|resp| match resp {
+            AgentResponse::Unchanged => "unchanged".to_string(),
+            AgentResponse::Changed { body } => body,
+        });
+
+        response_str
+            .map(|s| JsValue::from_str(&s))
+            .map_err(|e| JsValue::from_str(&format!("{:?}", e)))
+    }
+
+    /// Flush aggregated stats to the agent's /v0.6/stats endpoint.
+    ///
+    /// Should be called periodically (e.g. every 10s) from JS, and with
+    /// `force=true` on shutdown. Returns `{ sent, collapsedSpans }` so JS can
+    /// emit the same collapsed-span health metric as libdd-trace-stats's native
+    /// exporter.
+    #[wasm_bindgen(js_name = "flushStats")]
+    pub async fn flush_stats(&self, force: bool) -> Result<JsValue, JsValue> {
+        // Build the stats request under a brief *synchronous* borrow, then drop
+        // the borrow BEFORE the async send. The collector therefore stays in
+        // `stats_collector`, so a concurrent `prepareChunk` during the in-flight
+        // send still reaches `add_spans` and those spans are counted. (Taking
+        // the collector out for the whole await would silently drop them from
+        // client-side stats.) No borrow is held across the await, so there is
+        // no double-borrow hazard from overlapping calls.
+        let prepared = {
+            let mut guard = self.stats_collector.borrow_mut();
+            match guard.as_mut() {
+                Some(collector) => collector
+                    .prepare_request(force)
+                    .map_err(|e| JsValue::from_str(&e))?,
+                None => return stats_flush_result(false, 0),
+            }
+        };
+        let sent = match prepared.request {
+            Some(req) => {
+                stats::StatsCollector::send_request(req)
+                    .await
+                    .map_err(|e| JsValue::from_str(&e))?;
+                true
+            }
+            None => false,
+        };
+
+        stats_flush_result(sent, prepared.collapsed_spans)
+    }
+
+    /// Flush the queued change-buffer operations. On success always returns
+    /// `true` (the bool exists only for signature symmetry with the other
+    /// flush methods); failures surface as a thrown error.
+    #[wasm_bindgen(js_name = "flushChangeQueue")]
+    pub fn flush_change_queue(&self) -> Result<bool, JsValue> {
+        self.cbs
+            .borrow_mut()
+            .flush_change_buffer()
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(true)
+    }
+
+    /// Set default meta tags applied to every new span.
+    /// Takes a flat array of key-value pairs: [key1, val1, key2, val2, ...]
+    #[wasm_bindgen(js_name = "setDefaultMeta")]
+    pub fn set_default_meta(&self, pairs: Vec<JsValue>) -> Result<(), JsValue> {
+        let mut tags = Vec::with_capacity(pairs.len() / 2);
+        let mut i = 0;
+        while i + 1 < pairs.len() {
+            let key = pairs[i]
+                .as_string()
+                .ok_or_else(|| JsValue::from_str("default meta key must be a string"))?;
+            let val = pairs[i + 1]
+                .as_string()
+                .ok_or_else(|| JsValue::from_str("default meta value must be a string"))?;
+            tags.push((key.into(), val.into()));
+            i += 2;
+        }
+        self.cbs.borrow_mut().set_default_meta(tags);
+        Ok(())
+    }
+
+    #[wasm_bindgen(js_name = "stringTableInsertOne")]
+    pub fn string_table_insert_one(&self, key: u32, val: &str) {
+        self.cbs
+            .borrow_mut()
+            .string_table_insert_one(key, val.into());
+    }
+
+    #[wasm_bindgen(js_name = "stringTableInsertMany")]
+    pub fn string_table_insert_many(&self, count: u32) -> Result<(), JsValue> {
+        let mut index: usize = 0;
+        let mut remaining = count as usize;
+        // Hold one mutable borrow for the whole bulk insert rather than
+        // re-borrowing the RefCell once per string.
+        let mut cbs = self.cbs.borrow_mut();
+        let buf = &self.string_table_input;
+        while remaining > 0 {
+            // Bound the read against the untrusted `count`: a count larger than
+            // the encoded entries must error, not index out of bounds. get_num
+            // does the (overflow-safe) bounds check and returns None past the end.
+            let key: u32 = get_num(buf, &mut index).ok_or_else(|| {
+                JsValue::from_str(
+                    "stringTableInsertMany: count exceeds the entries in the input buffer",
+                )
+            })?;
+            let str_slice = &buf[index..];
+            // Bound the NUL scan to the input slice so a non-terminated string
+            // can't read past the buffer, and advance past the NUL terminator
+            // (+ 1) so the next entry parses from the right offset.
+            let cstr = CStr::from_bytes_until_nul(str_slice)
+                .map_err(|e| JsValue::from_str(&format!("{}", e)))?;
+            let val = cstr
+                .to_str()
+                .map_err(|e| JsValue::from_str(&format!("{}", e)))?;
+            index += val.len() + 1;
+            // From<&str> for SpanString is a single Arc<str> allocation — no
+            // intermediate owned String.
+            cbs.string_table_insert_one(key, val.into());
+            remaining -= 1;
+        }
+        Ok(())
+    }
+
+    #[wasm_bindgen(js_name = "stringTableEvict")]
+    pub fn string_table_evict(&self, key: u32) {
+        self.cbs.borrow_mut().string_table_evict_one(key);
+    }
+
+    // Absent-entity convention: span-level getters return an error (JS throw)
+    // for an unknown span_id, while trace-level getters and attribute lookups
+    // return null for an unknown segment / unset attribute.
+    #[wasm_bindgen(js_name = "getServiceName")]
+    pub fn get_service_name(&self, span_id: u64) -> Result<String, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.service.to_string())
+    }
+
+    #[wasm_bindgen(js_name = "getResourceName")]
+    pub fn get_resource_name(&self, span_id: u64) -> Result<String, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.resource.to_string())
+    }
+
+    #[wasm_bindgen(js_name = "getMetaAttr")]
+    pub fn get_meta_attr(&self, span_id: u64, name: &str) -> Result<JsValue, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        // VecMap::get accepts &str directly (SpanString: Borrow<str>), so no
+        // SpanString allocation is needed for the lookup.
+        Ok(span
+            .meta
+            .get(name)
+            .map(|v| JsValue::from_str(v.0.as_ref()))
+            .unwrap_or(JsValue::NULL))
+    }
+
+    #[wasm_bindgen(js_name = "getMetricAttr")]
+    pub fn get_metric_attr(&self, span_id: u64, name: &str) -> Result<JsValue, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span
+            .metrics
+            .get(name)
+            .map(|v| JsValue::from_f64(*v))
+            .unwrap_or(JsValue::NULL))
+    }
+
+    #[wasm_bindgen(js_name = "getError")]
+    pub fn get_error(&self, span_id: u64) -> Result<i32, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.error)
+    }
+
+    // start/duration are i64 nanoseconds. Returning them as JS BigInt (not
+    // f64) preserves full precision — real epoch-ns values exceed 2^53 and
+    // would be silently truncated as f64.
+    #[wasm_bindgen(js_name = "getStart")]
+    pub fn get_start(&self, span_id: u64) -> Result<i64, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.start)
+    }
+
+    #[wasm_bindgen(js_name = "getDuration")]
+    pub fn get_duration(&self, span_id: u64) -> Result<i64, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.duration)
+    }
+
+    #[wasm_bindgen(js_name = "getType")]
+    pub fn get_type(&self, span_id: u64) -> Result<String, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.r#type.to_string())
+    }
+
+    #[wasm_bindgen(js_name = "getName")]
+    pub fn get_name(&self, span_id: u64) -> Result<String, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        Ok(span.name.to_string())
+    }
+
+    // `meta_struct` carries msgpack-encoded structured data (e.g. AppSec, Code
+    // Origin, Dynamic Instrumentation). There is no change-buffer opcode for it,
+    // so the value is written directly onto the span after draining the queue —
+    // meta_struct does not depend on any other queued op, so bypassing the queue
+    // ordering is safe (subsequent ops are applied on the next flush and never
+    // touch meta_struct).
+    #[wasm_bindgen(js_name = "setMetaStruct")]
+    pub fn set_meta_struct(&self, span_id: u64, key: &str, value: &[u8]) -> Result<(), JsValue> {
+        self.flush_change_queue()?;
+        let mut cbs = self.cbs.borrow_mut();
+        let span = cbs
+            .span_mut(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        span.meta_struct
+            .insert(key.into(), span_bytes::SpanBytesImpl(value.to_vec()));
+        Ok(())
+    }
+
+    #[wasm_bindgen(js_name = "getMetaStruct")]
+    pub fn get_meta_struct(&self, span_id: u64, key: &str) -> Result<JsValue, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        // VecMap::get accepts &str directly (SpanString: Borrow<str>).
+        Ok(span
+            .meta_struct
+            .get(key)
+            .map(|v| JsValue::from(js_sys::Uint8Array::from(v.0.as_slice())))
+            .unwrap_or(JsValue::NULL))
+    }
+
+    // Span events (OpenTelemetry-style) are serialized by libdatadog as the
+    // top-level v0.4 `span_events` field when present. Like meta_struct there
+    // is no change-buffer opcode, so the event is appended directly to the span
+    // after draining the queue (span_events do not depend on any other queued
+    // op, so bypassing queue ordering is safe). `attrs_buf` is the flat typed
+    // attribute encoding decoded by `decode_span_event_attributes`.
+    #[wasm_bindgen(js_name = "addSpanEvent")]
+    pub fn add_span_event(
+        &self,
+        span_id: u64,
+        name: &str,
+        time_unix_nano: u64,
+        attrs_buf: &[u8],
+    ) -> Result<(), JsValue> {
+        self.flush_change_queue()?;
+        // Decode before borrowing cbs mutably so a malformed buffer errors
+        // without holding the borrow.
+        let attributes = decode_span_event_attributes(attrs_buf)?;
+        let mut cbs = self.cbs.borrow_mut();
+        let span = cbs
+            .span_mut(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        span.span_events.push(SpanEvent {
+            time_unix_nano,
+            name: name.into(),
+            attributes,
+        });
+        Ok(())
+    }
+
+    // Test/inspection helper: serialize the span's events to JSON via the same
+    // serde `Serialize` impl libdatadog uses for the msgpack wire format, so
+    // the `type`/`*_value` shape mirrors exactly what is sent to the agent
+    // (String=0, Boolean=1, Integer=2, Double=3, Array=4).
+    #[wasm_bindgen(js_name = "getSpanEventsJson")]
+    pub fn get_span_events_json(&self, span_id: u64) -> Result<String, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        let span = cbs
+            .get_span(span_id)
+            .map_err(|e| JsValue::from_str(&e.to_string()))?;
+        serde_json::to_string(&span.span_events)
+            .map_err(|e| JsValue::from_str(&format!("getSpanEventsJson: {e}")))
+    }
+
+    // Trace-level attributes live on the Segment (keyed by segment_id, which
+    // JS allocates and shares across spans in the same local trace).
+    #[wasm_bindgen(js_name = "getTraceMetaAttr")]
+    pub fn get_trace_meta_attr(&self, segment_id: u64, name: &str) -> Result<JsValue, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        Ok(cbs
+            .get_segment(&segment_id)
+            .and_then(|s| s.meta.get(name))
+            .map(|v| JsValue::from_str(v.0.as_ref()))
+            .unwrap_or(JsValue::NULL))
+    }
+
+    #[wasm_bindgen(js_name = "getTraceMetricAttr")]
+    pub fn get_trace_metric_attr(&self, segment_id: u64, name: &str) -> Result<JsValue, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        Ok(cbs
+            .get_segment(&segment_id)
+            .and_then(|s| s.metrics.get(name))
+            .map(|v| JsValue::from_f64(*v))
+            .unwrap_or(JsValue::NULL))
+    }
+
+    #[wasm_bindgen(js_name = "getTraceOrigin")]
+    pub fn get_trace_origin(&self, segment_id: u64) -> Result<JsValue, JsValue> {
+        self.flush_change_queue()?;
+        let cbs = self.cbs.borrow();
+        Ok(cbs
+            .get_segment(&segment_id)
+            .and_then(|s| s.origin.as_ref())
+            .map(|v| JsValue::from_str(v.0.as_ref()))
+            .unwrap_or(JsValue::NULL))
+    }
 }
 
-fn send_traces(mut cx: FunctionContext) -> JsResult<JsString> {
-    let trace_count = cx.argument::<JsNumber>(1)?.value(cx.borrow_mut());
-    let data = cx.argument::<JsBuffer>(0)?.as_slice(cx.borrow_mut());
+/// Export WASM memory so JS can create views into it
+#[wasm_bindgen(js_name = "getWasmMemory")]
+pub fn get_wasm_memory() -> JsValue {
+    wasm_bindgen::memory()
+}
 
-    let response = EXPORTER.lock().unwrap().get().unwrap().send(data, trace_count as usize);
+/// Export OpCode values as a JS object.
+/// Values match the `#[repr(u64)]` OpCode enum in libdd-trace-utils.
+#[wasm_bindgen(js_name = "getOpCodes")]
+pub fn get_op_codes() -> JsValue {
+    let obj = js_sys::Object::new();
+    let entries: &[(&str, u32)] = &[
+        ("Create", 0),
+        ("SetMetaAttr", 1),
+        ("SetMetricAttr", 2),
+        ("SetServiceName", 3),
+        ("SetResourceName", 4),
+        ("SetError", 5),
+        ("SetStart", 6),
+        ("SetDuration", 7),
+        ("SetType", 8),
+        ("SetName", 9),
+        ("SetTraceMetaAttr", 10),
+        ("SetTraceMetricsAttr", 11),
+        ("SetTraceOrigin", 12),
+    ];
+    for (name, val) in entries {
+        js_sys::Reflect::set(
+            &obj,
+            &JsValue::from_str(name),
+            &JsValue::from_f64(*val as f64),
+        )
+        .expect("Reflect::set on a freshly created object cannot fail");
+    }
+    obj.into()
+}
 
-    Ok(cx.string(response.unwrap_or("Error sending traces".to_string())))
+/// Build a JS `Error` tagged `NativeExporterBuildError` so the host can
+/// recognise a fatal exporter-build failure (bad config) and stop retrying,
+/// rather than treating it as a transient send error.
+fn build_failure_error(msg: &str) -> JsValue {
+    let err = js_sys::Error::new(msg);
+    err.set_name("NativeExporterBuildError");
+    err.into()
 }
 
+#[wasm_bindgen(js_name = "setStorage")]
+pub fn set_storage(new_storage: &JsValue) {
+    libdatadog_nodejs_capabilities::http::set_storage(new_storage);
+}
 
+#[wasm_bindgen(js_name = "setResponseHeaderObserver")]
+pub fn set_response_header_observer(observer: &JsValue) {
+    libdatadog_nodejs_capabilities::http::set_response_header_observer(observer);
+}
diff --git a/crates/pipeline/src/span_bytes.rs b/crates/pipeline/src/span_bytes.rs
new file mode 100644
index 00000000..3dfaf1a4
--- /dev/null
+++ b/crates/pipeline/src/span_bytes.rs
@@ -0,0 +1,25 @@
+use libdd_trace_utils::span::SpanBytes;
+use serde::Serialize;
+use std::borrow::Borrow;
+use std::hash::{Hash, Hasher};
+
+#[derive(Default, Debug, Eq, PartialEq, Clone, Serialize)]
+pub struct SpanBytesImpl(pub Vec<u8>);
+
+impl Hash for SpanBytesImpl {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.0.hash(state);
+    }
+}
+
+impl Borrow<[u8]> for SpanBytesImpl {
+    fn borrow(&self) -> &[u8] {
+        &self.0
+    }
+}
+
+impl SpanBytes for SpanBytesImpl {
+    fn from_static_bytes(value: &'static [u8]) -> Self {
+        SpanBytesImpl(value.to_vec())
+    }
+}
diff --git a/crates/pipeline/src/span_string.rs b/crates/pipeline/src/span_string.rs
new file mode 100644
index 00000000..ee752805
--- /dev/null
+++ b/crates/pipeline/src/span_string.rs
@@ -0,0 +1,46 @@
+use libdd_trace_utils::span::SpanText;
+use serde::Serialize;
+use std::borrow::Borrow;
+use std::fmt::*;
+use std::hash::{Hash, Hasher};
+use std::sync::Arc;
+
+#[derive(Default, Debug, Eq, PartialEq, Serialize, Clone)]
+pub struct SpanString(pub Arc<str>);
+
+impl Hash for SpanString {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        // Hash the string content, not the Arc pointer
+        self.0.as_ref().hash(state);
+    }
+}
+
+impl Borrow<str> for SpanString {
+    fn borrow(&self) -> &str {
+        &self.0
+    }
+}
+
+impl SpanText for SpanString {
+    fn from_static_str(value: &'static str) -> Self {
+        SpanString(Arc::from(value))
+    }
+}
+
+impl From<String> for SpanString {
+    fn from(s: String) -> SpanString {
+        SpanString(Arc::from(s))
+    }
+}
+
+impl From<&str> for SpanString {
+    fn from(value: &str) -> SpanString {
+        SpanString(Arc::from(value))
+    }
+}
+
+impl Display for SpanString {
+    fn fmt(&self, formatter: &mut Formatter) -> Result {
+        write!(formatter, "{}", self.0)
+    }
+}
diff --git a/crates/pipeline/src/stats.rs b/crates/pipeline/src/stats.rs
new file mode 100644
index 00000000..3e65cb46
--- /dev/null
+++ b/crates/pipeline/src/stats.rs
@@ -0,0 +1,201 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Native stats collection for the pipeline WASM module.
+//!
+//! Wraps `SpanConcentrator` from `libdd-trace-stats` and provides encoding +
+//! HTTP transport for flushing stats to the Datadog agent's `/v0.6/stats`
+//! endpoint.
+
+use web_time::{Duration, SystemTime};
+
+/// Wall-clock now() for wasm. Delegates to `web_time::SystemTime::now()`,
+/// which routes to JS `Date.now()` on `wasm32-unknown-unknown` (native
+/// `std::time::SystemTime::now()` is unimplemented on that target and traps).
+fn now() -> SystemTime {
+    SystemTime::now()
+}
+
+use bytes::Bytes;
+use libdatadog_nodejs_capabilities::WasmHttpClient;
+use libdd_capabilities::http::HttpClientCapability;
+use libdd_common::parse_uri;
+use libdd_trace_protobuf::pb;
+use libdd_trace_stats::span_concentrator::SpanConcentrator;
+
+use crate::trace_data::WasmTraceData;
+
+const STATS_ENDPOINT_PATH: &str = "/v0.6/stats";
+
+/// Metadata for the stats payload envelope.
+pub struct StatsMeta {
+    pub hostname: String,
+    pub env: String,
+    pub version: String,
+    pub lang: String,
+    pub tracer_version: String,
+    pub runtime_id: String,
+    pub service: String,
+}
+
+/// Stats data prepared by a synchronous concentrator flush.
+pub struct PreparedStatsFlush {
+    pub request: Option<http::Request<Bytes>>,
+    pub collapsed_spans: u64,
+}
+
+/// Manages stats aggregation and flushing.
+pub struct StatsCollector {
+    concentrator: SpanConcentrator,
+    meta: StatsMeta,
+    agent_url: String,
+    sequence: u64,
+}
+
+impl StatsCollector {
+    /// Create a new stats collector.
+    pub fn new(bucket_size: Duration, agent_url: String, meta: StatsMeta) -> Self {
+        StatsCollector {
+            concentrator: SpanConcentrator::new(
+                bucket_size,
+                now(),
+                vec![
+                    "client".to_string(),
+                    "server".to_string(),
+                    "producer".to_string(),
+                    "consumer".to_string(),
+                ],
+                Vec::new(),
+                None,
+                Vec::new(),
+            ),
+            meta,
+            agent_url,
+            sequence: 0,
+        }
+    }
+
+    /// Add spans to the concentrator for stats aggregation.
+    ///
+    /// The spans should already have `_dd.top_level` and `_dd.measured` metrics
+    /// set (done by `ChangeBufferState::flush_chunk`).
+    pub fn add_spans(&mut self, spans: &[libdd_trace_utils::span::v04::Span<WasmTraceData>]) {
+        for span in spans {
+            self.concentrator.add_span(span);
+        }
+    }
+
+    /// Drain aggregated stats into a ready-to-send request plus flush metadata,
+    /// **synchronously**.
+    ///
+    /// Returns `request: None` when there is no stats payload to send. The
+    /// concentrator is drained and the sequence advanced as part of this call,
+    /// so a returned request must be sent (see `send_request`). Kept
+    /// synchronous and separate from the send so a caller can build the request
+    /// under a brief borrow and release the collector *before* the async send —
+    /// leaving it available for `add_spans` while the stats request is in
+    /// flight.
+    pub fn prepare_request(&mut self, force: bool) -> Result<PreparedStatsFlush, String> {
+        let mut flush = self.concentrator.flush(now(), force);
+        let collapsed_spans = flush.collapsed_spans;
+        if !flush.obfuscated_buckets.is_empty() {
+            // TODO: stats obfuscation is currently disabled. Obfuscated stats
+            // require the datadog-obfuscation-version header, which
+            // prepare_request doesn't emit yet. Add that header before enabling
+            // stats-obfuscation.
+            return Err(
+                "stats flush produced obfuscated buckets without obfuscation header support"
+                    .to_string(),
+            );
+        }
+        if flush.unobfuscated_buckets.is_empty() {
+            return Ok(PreparedStatsFlush {
+                request: None,
+                collapsed_spans,
+            });
+        }
+
+        self.sequence += 1;
+        let buckets = std::mem::take(&mut flush.unobfuscated_buckets);
+        let payload = encode_stats_payload(&buckets, &self.meta, self.sequence);
+
+        let body = rmp_serde::encode::to_vec_named(&payload)
+            .map_err(|e| format!("stats msgpack encode error: {e}"))?;
+
+        // Build the base agent URI exactly like the trace exporter does, via
+        // libdatadog's `parse_uri`. For a `unix://` / `windows:` agent URL that
+        // hex-encodes the socket path into the URI *authority* (there is no
+        // standard URL form for socket paths), which the WASM HTTP client's
+        // `decode_socket_path` reverses to route over the socket. A raw parse
+        // instead leaves the socket path in the URI *path* with an empty/invalid
+        // authority, so the stats request never reaches the socket — client stats
+        // silently never arrive over UDS (dd-trace-js #9139, uds-express4).
+        let base = parse_uri(&self.agent_url).map_err(|e| format!("invalid agent URL: {e}"))?;
+        // Append `/v0.6/stats` to the base path while preserving the (hex)
+        // authority, mirroring libdd-data-pipeline's `add_path`. For `unix://`
+        // the base path is "/" and the authority holds the hex socket path; for
+        // TCP it's `http://host:port/`. Trim a trailing slash so the path is
+        // exactly `/v0.6/stats` (a double slash makes the agent miss the request).
+        let base_path = base.path().strip_suffix('/').unwrap_or_else(|| base.path());
+        let new_path_and_query = format!("{base_path}{STATS_ENDPOINT_PATH}");
+        let mut parts = base.into_parts();
+        parts.path_and_query = Some(
+            new_path_and_query
+                .parse()
+                .map_err(|e| format!("invalid stats path: {e}"))?,
+        );
+        let uri = http::Uri::from_parts(parts).map_err(|e| format!("invalid stats URL: {e}"))?;
+
+        let req = http::Request::builder()
+            .method(http::Method::PUT)
+            .uri(uri)
+            .header("Content-Type", "application/msgpack")
+            .header("Datadog-Meta-Lang", &self.meta.lang)
+            .header("Datadog-Meta-Tracer-Version", &self.meta.tracer_version)
+            .body(Bytes::from(body))
+            .map_err(|e| format!("failed to build stats request: {e}"))?;
+
+        Ok(PreparedStatsFlush {
+            request: Some(req),
+            collapsed_spans,
+        })
+    }
+
+    /// Send a prepared stats request to the agent. Does **not** borrow the
+    /// collector, so trace export (`add_spans`) can proceed during the await.
+    pub async fn send_request(req: http::Request<Bytes>) -> Result<(), String> {
+        let client = WasmHttpClient::new_client();
+        client
+            .request(req)
+            .await
+            .map_err(|e| format!("stats send error: {e:?}"))?;
+        Ok(())
+    }
+}
+
+/// Encode flushed stats buckets into a `ClientStatsPayload` for msgpack
+/// serialization.
+fn encode_stats_payload(
+    buckets: &[pb::ClientStatsBucket],
+    meta: &StatsMeta,
+    sequence: u64,
+) -> pb::ClientStatsPayload {
+    pb::ClientStatsPayload {
+        hostname: meta.hostname.clone(),
+        env: meta.env.clone(),
+        version: meta.version.clone(),
+        lang: meta.lang.clone(),
+        tracer_version: meta.tracer_version.clone(),
+        runtime_id: meta.runtime_id.clone(),
+        sequence,
+        stats: buckets.to_vec(),
+        service: meta.service.clone(),
+        container_id: String::new(),
+        tags: Vec::new(),
+        agent_aggregation: String::new(),
+        git_commit_sha: String::new(),
+        image_tag: String::new(),
+        process_tags: String::new(),
+        process_tags_hash: 0,
+    }
+}
diff --git a/crates/pipeline/src/trace_data.rs b/crates/pipeline/src/trace_data.rs
new file mode 100644
index 00000000..94cbcfe2
--- /dev/null
+++ b/crates/pipeline/src/trace_data.rs
@@ -0,0 +1,16 @@
+use libdd_trace_utils::span::TraceData;
+use serde::Serialize;
+
+use crate::span_bytes::SpanBytesImpl;
+use crate::span_string::SpanString;
+
+// `Serialize` is derived only so the test helper `getSpanEventsJson` can
+// serialize `Vec<SpanEvent<WasmTraceData>>` (serde's derive on the generic
+// `SpanEvent<T>` requires `T: Serialize`). The unit struct carries no data.
+#[derive(Clone, Default, Debug, PartialEq, Serialize)]
+pub struct WasmTraceData;
+
+impl TraceData for WasmTraceData {
+    type Text = SpanString;
+    type Bytes = SpanBytesImpl;
+}
diff --git a/crates/pipeline/src/utils.rs b/crates/pipeline/src/utils.rs
new file mode 100644
index 00000000..11922621
--- /dev/null
+++ b/crates/pipeline/src/utils.rs
@@ -0,0 +1,44 @@
+pub trait FromBytes: Sized {
+    type Bytes: ?Sized;
+    fn from_bytes(bytes: &[u8]) -> Self;
+}
+
+macro_rules! impl_from_bytes {
+    ($ty:ty, $len:expr) => {
+        impl FromBytes for $ty {
+            type Bytes = $ty;
+
+            // Note that this always does a copy into a new variable. This is
+            // because the values in the buffer are not aligned. We could save
+            // ourselves a copy by ensuring alignment from the managed side.
+            fn from_bytes(bytes: &[u8]) -> Self {
+                let mut code_buf = [0u8; $len];
+                code_buf.copy_from_slice(bytes);
+                <$ty>::from_le_bytes(code_buf)
+            }
+        }
+    };
+}
+
+impl_from_bytes!(u128, 16);
+impl_from_bytes!(u64, 8);
+impl_from_bytes!(f64, 8);
+impl_from_bytes!(i64, 8);
+impl_from_bytes!(i32, 4);
+impl_from_bytes!(u32, 4);
+
+/// Read a `T` from `buf` at `*index` (little-endian) and advance `*index`.
+///
+/// Returns `None` if the buffer is too short, so callers can't index out of
+/// bounds — the bounds check lives here rather than relying on every call site.
+/// The remaining-bytes form (`size > buf.len() - id`) is overflow-safe.
+pub(crate) fn get_num<T: Copy + FromBytes>(buf: &[u8], index: &mut usize) -> Option<T> {
+    let id: usize = *index;
+    let size = std::mem::size_of::<T>();
+    if id > buf.len() || size > buf.len() - id {
+        return None;
+    }
+    let result: T = T::from_bytes(&buf[id..id + size]);
+    *index += size;
+    Some(result)
+}
diff --git a/crates/process_discovery/Cargo.toml b/crates/process_discovery/Cargo.toml
new file mode 100644
index 00000000..32e9449e
--- /dev/null
+++ b/crates/process_discovery/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "process-discovery"
+version = "0.1.0"
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+anyhow = "1"
+libdd-library-config = { git = "https://github.com/DataDog/libdatadog.git", rev = "0c6e2a5df2a163d34c4f385353ffc5d7257c72f4", features = ["otel-thread-ctx"] }
+libdd-trace-protobuf = { git = "https://github.com/DataDog/libdatadog.git", rev = "0c6e2a5df2a163d34c4f385353ffc5d7257c72f4" }
+
+napi = { version = "2" }
+napi-derive = { version = "2", default-features = false }
diff --git a/crates/process_discovery/src/lib.rs b/crates/process_discovery/src/lib.rs
new file mode 100644
index 00000000..6e042e8f
--- /dev/null
+++ b/crates/process_discovery/src/lib.rs
@@ -0,0 +1,136 @@
+use napi::{Error, Status};
+use napi_derive::napi;
+
+use libdd_library_config::tracer_metadata;
+use libdd_trace_protobuf::opentelemetry::proto::common::v1::any_value;
+
+#[napi]
+pub struct NapiAnonymousFileHandle {
+    _internal: tracer_metadata::AnonymousFileHandle,
+}
+
+#[napi]
+impl NapiAnonymousFileHandle {}
+
+/// Additional OTel process-context attribute the threadlocal writer wants to
+/// publish alongside the key map (e.g. language-runtime layout constants). Set
+/// exactly one of `string_value` / `int_value` — the other variants of OTel's
+/// `AnyValue` (bool, double, bytes, array, kvlist) are not yet exposed.
+/// Passing both set or neither set is rejected as invalid input.
+#[derive(Clone)]
+#[napi(object)]
+pub struct ExtraAttribute {
+    pub key: String,
+    pub string_value: Option<String>,
+    pub int_value: Option<i64>,
+}
+
+/// Thread-level context metadata the tracer wants to publish as part of the
+/// OTel process context. When present on a [`TracerMetadata`], drives the
+/// `threadlocal.*` block in the emitted process context; when absent, no such
+/// block is emitted.
+#[derive(Clone)]
+#[napi(object)]
+pub struct ThreadLocalMetadata {
+    /// Ordered list of attribute key names for thread-level OTEP-4947 context
+    /// records. Wire key indices index into this list. libdatadog implicitly
+    /// prepends `datadog.local_root_span_id` at wire index 0, so entry 0 here
+    /// is wire key index 1.
+    pub attribute_keys: Vec<String>,
+
+    /// Value of the `threadlocal.schema_version` attribute. Identifies the
+    /// on-the-wire record schema (e.g. `"tlsdesc_v1_dev"` for libdatadog's own
+    /// TLSDESC writer, `"nodejs_v1_dev"` for a Node.js writer). Defaults to
+    /// `"tlsdesc_v1_dev"` when omitted.
+    pub schema_version: Option<String>,
+
+    /// Extra `threadlocal.*` attributes to publish alongside the key map (e.g.
+    /// V8 layout constants a Node.js reader needs to walk from the discovery
+    /// TLS symbol into the record).
+    pub extra_attributes: Vec<ExtraAttribute>,
+}
+
+#[napi(constructor)]
+pub struct TracerMetadata {
+    pub runtime_id: Option<String>,
+    pub tracer_version: String,
+    pub hostname: String,
+    pub service_name: Option<String>,
+    pub service_env: Option<String>,
+    pub service_version: Option<String>,
+    pub process_tags: Option<String>,
+    pub container_id: Option<String>,
+    /// Optional thread-level context metadata; see [`ThreadLocalMetadata`].
+    /// `null`/omitted (the default) disables the `threadlocal.*` block in the
+    /// emitted OTel process context entirely.
+    pub threadlocal_metadata: Option<ThreadLocalMetadata>,
+}
+
+fn convert_extra_attribute(ea: &ExtraAttribute) -> napi::Result<(String, any_value::Value)> {
+    let value = match (&ea.string_value, ea.int_value) {
+        (Some(s), None) => any_value::Value::StringValue(s.clone()),
+        (None, Some(i)) => any_value::Value::IntValue(i),
+        (Some(_), Some(_)) => {
+            return Err(Error::new(
+                Status::InvalidArg,
+                format!(
+                    "ExtraAttribute {:?}: exactly one of stringValue / intValue must be set, both are",
+                    ea.key,
+                ),
+            ));
+        }
+        (None, None) => {
+            return Err(Error::new(
+                Status::InvalidArg,
+                format!(
+                    "ExtraAttribute {:?}: exactly one of stringValue / intValue must be set, neither is",
+                    ea.key,
+                ),
+            ));
+        }
+    };
+    Ok((ea.key.clone(), value))
+}
+
+fn convert_threadlocal_metadata(
+    tlm: &ThreadLocalMetadata,
+) -> napi::Result<tracer_metadata::ThreadLocalMetadata> {
+    Ok(tracer_metadata::ThreadLocalMetadata {
+        attribute_keys: tlm.attribute_keys.clone(),
+        schema_version: tlm.schema_version.clone(),
+        extra_attributes: tlm
+            .extra_attributes
+            .iter()
+            .map(convert_extra_attribute)
+            .collect::<napi::Result<_>>()?,
+    })
+}
+
+#[napi]
+pub fn store_metadata(data: &TracerMetadata) -> napi::Result<NapiAnonymousFileHandle> {
+    let res = tracer_metadata::store_tracer_metadata(&tracer_metadata::TracerMetadata{
+        schema_version: 1,
+        runtime_id: data.runtime_id.clone(),
+        tracer_language: String::from("nodejs"),
+        tracer_version: data.tracer_version.clone(),
+        hostname: data.hostname.clone(),
+        service_name: data.service_name.clone(),
+        service_env: data.service_env.clone(),
+        service_version: data.service_version.clone(),
+        process_tags: data.process_tags.clone(),
+        container_id: data.container_id.clone(),
+        threadlocal_metadata: data
+            .threadlocal_metadata
+            .as_ref()
+            .map(convert_threadlocal_metadata)
+            .transpose()?,
+    });
+
+    match res {
+        Ok(handle) => Ok(NapiAnonymousFileHandle{ _internal: handle }),
+        Err(e) => {
+            let err_msg = format!("Failed to store the tracer configuration: {:?}", e);
+            Err(Error::new(Status::GenericFailure, err_msg))
+        }
+    }
+}
diff --git a/crates/sketches/Cargo.toml b/crates/sketches/Cargo.toml
new file mode 100644
index 00000000..43d14deb
--- /dev/null
+++ b/crates/sketches/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "sketches"
+version = "0.1.0"
+edition = "2021"
+description = "Wasm bindings for Datadog's DDSketch"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+libdd-ddsketch = { git = "https://github.com/DataDog/libdatadog.git", rev = "1b9b7a26f54f116a0f6525abdcd2013b341921a7" }
+wasm-bindgen = "0.2"
+
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O", "--enable-bulk-memory", "--enable-nontrapping-float-to-int"]
diff --git a/crates/sketches/src/lib.rs b/crates/sketches/src/lib.rs
new file mode 100644
index 00000000..0b55db3d
--- /dev/null
+++ b/crates/sketches/src/lib.rs
@@ -0,0 +1,37 @@
+use libdd_ddsketch::DDSketch as InnerDDSketch;
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+#[derive(Default)]
+pub struct DDSketch {
+    inner: InnerDDSketch,
+}
+
+#[wasm_bindgen]
+impl DDSketch {
+    #[wasm_bindgen(constructor)]
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn add(&mut self, point: f64) -> Result<(), JsError> {
+        self.inner
+            .add(point)
+            .map_err(|error| JsError::new(&error.to_string()))
+    }
+
+    #[wasm_bindgen(js_name = addWithCount)]
+    pub fn add_with_count(&mut self, point: f64, count: f64) -> Result<(), JsError> {
+        self.inner
+            .add_with_count(point, count)
+            .map_err(|error| JsError::new(&error.to_string()))
+    }
+
+    pub fn count(&self) -> f64 {
+        self.inner.count()
+    }
+
+    pub fn encode(&self) -> Vec<u8> {
+        self.inner.clone().encode_to_vec()
+    }
+}
diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 00000000..690debfb
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,93 @@
+'use strict'
+
+const eslintPluginImportX = require('eslint-plugin-import-x')
+const eslintPluginJs = require('@eslint/js')
+const eslintPluginN = require('eslint-plugin-n')
+const eslintPluginStylistic = require('@stylistic/eslint-plugin')
+const eslintPluginUnicorn = require('eslint-plugin-unicorn').default
+const globals = require('globals')
+
+module.exports = [
+  eslintPluginJs.configs.recommended,
+  eslintPluginImportX.flatConfigs.recommended,
+  eslintPluginN.configs['flat/recommended-script'],
+  eslintPluginStylistic.configs.recommended,
+  eslintPluginUnicorn.configs.recommended,
+  {
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'commonjs',
+      globals: {
+        ...globals.es2022,
+        ...globals.node,
+      },
+    },
+    settings: {
+      // Used by `eslint-plugin-n` to determine the minimum version of Node.js to support.
+      // Normally setting this in the `package.json` engines field is enough, but we can't use that as it will fail
+      // when running `yarn copy-artifacts` inside the prebuildify Docker container which uses Node.js 12.
+      node: { version: '>=18.0.0' },
+    },
+    rules: {
+      '@stylistic/brace-style': ['error', '1tbs'],
+      '@stylistic/space-before-function-paren': ['error', 'always'],
+      'import-x/extensions': ['error', 'never', { json: 'always' }],
+      'import-x/no-absolute-path': 'error',
+      'import-x/no-webpack-loader-syntax': 'error',
+      'import-x/order': ['error', {
+        'newlines-between': 'always',
+      }],
+      'n/no-process-exit': 'off', // Duplicate of unicorn/no-process-exit
+      'prefer-const': 'error',
+      'unicorn/prefer-module': 'off', // We use CJS
+      'unicorn/prevent-abbreviations': 'off',
+    },
+  },
+  {
+    files: ['load.js'],
+    languageOptions: {
+      globals: {
+        __webpack_require__: 'readonly',
+        __non_webpack_require__: 'readonly',
+      },
+    },
+  },
+  {
+    // This script runs inside the prebuildify Docker container which uses Node.js 12
+    files: ['scripts/copy-artifacts.js'],
+    languageOptions: {
+      ecmaVersion: 2019,
+    },
+    settings: {
+      // Used by `eslint-plugin-n` to determine the minimum version of Node.js to support.
+      node: { version: '>=12.0.0' },
+    },
+    rules: {
+      'unicorn/prefer-node-protocol': 'off',
+    },
+  },
+  {
+    // Test files use the `node:test` runner (describe/it/before/...). eslint-plugin-n
+    // flags these as "experimental" for the >=18 floor, but they are available on
+    // every Node version the test matrix runs (18.20+). Test harnesses also pass
+    // `null` to mirror the real inputs the wasm bindings receive.
+    files: ['test/**/*.js'],
+    rules: {
+      'n/no-unsupported-features/node-builtins': 'off',
+      'unicorn/no-null': 'off',
+      // Test helpers are commonly scoped inside their describe block.
+      'unicorn/consistent-function-scoping': 'off',
+    },
+  },
+  {
+    // Loaded by Rust via `wasm_bindgen(module = ".../<name>_transport.js")`, so
+    // the snake_case filename must match the Rust module path.
+    files: ['**/*_transport.js'],
+    rules: {
+      'unicorn/filename-case': 'off',
+    },
+  },
+  {
+    ignores: ['build/', 'target/', 'prebuilds/'],
+  },
+]
diff --git a/load.js b/load.js
index 6c7b41e3..69cdca51 100644
--- a/load.js
+++ b/load.js
@@ -2,13 +2,13 @@
 
 // TODO: Extract this file to an external library.
 
-const { existsSync, readdirSync } = require('fs')
-const os = require('os')
-const path = require('path')
+const { existsSync, readdirSync } = require('node:fs')
+const os = require('node:os')
+const path = require('node:path')
 
 const PLATFORM = os.platform()
 const ARCH = process.arch
-const LIBC = PLATFORM === 'linux' ? existsSync('/etc/alpine-release') ? 'musl' : 'libc' : ''
+const LIBC = PLATFORM === 'linux' ? (existsSync('/etc/alpine-release') ? 'musl' : 'glibc') : ''
 const ABI = process.versions.modules
 
 const inWebpack = typeof __webpack_require__ === 'function'
@@ -17,24 +17,42 @@ const runtimeRequire = inWebpack ? __non_webpack_require__ : require
 function maybeLoad (name) {
   try {
     return load(name)
-  } catch (e) {
+  } catch {
     // Not found, skip.
   }
 }
 
 function load (name) {
   const filename = find(name)
+  if (filename) {
+    return runtimeRequire(filename)
+  }
 
-  if (!filename) {
-    throw new Error(`Could not find a ${name} binary for ${PLATFORM}${LIBC}-${ARCH}.`)
+  const filenameWASM = findWASM(name)
+  if (filenameWASM) {
+    return runtimeRequire(filenameWASM)
   }
 
-  return runtimeRequire(filename)
+  throw new Error(`Could not find a ${name} binary for ${PLATFORM}${LIBC}-${ARCH} nor a ${name} WASM module.`)
+}
+
+function findWASM (name) {
+  const root = __dirname
+  const prebuilds = path.join(root, 'prebuilds')
+  const folders = readdirSync(prebuilds)
+  if (folders.includes(name)) {
+    return path.join(prebuilds, name, `${name.replaceAll('-', '_')}.js`)
+  }
 }
 
 function find (name, binary = false) {
   const root = __dirname
-  const filename = binary ? name : `${name}.node`
+
+  // see https://github.com/rust-lang/cargo/issues/12780
+  // Only apply hyphen-to-underscore conversion for .node libraries, not binaries
+  const transformedName = binary ? name : name.replaceAll('-', '_')
+
+  const filename = binary ? transformedName : `${transformedName}.node`
   const build = `${root}/build/Release/${filename}`
 
   if (existsSync(build)) return build
@@ -44,7 +62,7 @@ function find (name, binary = false) {
   if (!folder) return
 
   const prebuildFolder = path.join(root, 'prebuilds', folder)
-  const file = findFile(prebuildFolder, name, binary)
+  const file = findFile(prebuildFolder, transformedName, binary)
 
   if (!file) return
 
@@ -52,10 +70,15 @@ function find (name, binary = false) {
 }
 
 function findFolder (root) {
-  const folders = readdirSync(path.join(root, 'prebuilds'))
+  try {
+    const prebuilds = path.join(root, 'prebuilds')
+    const folders = readdirSync(prebuilds)
 
-  return folders.find(f => f === `${PLATFORM}${LIBC}-${ARCH}`)
-    || folders.find(f => f === `${PLATFORM}-${ARCH}`)
+    return folders.find(f => f === `${PLATFORM}${LIBC}-${ARCH}`)
+      || folders.find(f => f === `${PLATFORM}-${ARCH}`)
+  } catch {
+    // Ignore
+  }
 }
 
 function findFile (root, name, binary = false) {
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 796ca79f..00000000
--- a/package-lock.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "name": "libdatadog",
-  "version": "0.1.0",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "libdatadog",
-      "version": "0.1.0",
-      "license": "Apache-2.0"
-    }
-  }
-}
diff --git a/package.json b/package.json
index 4eb55fa6..60154703 100644
--- a/package.json
+++ b/package.json
@@ -4,14 +4,17 @@
   "description": "Node.js binding for libdatadog",
   "main": "index.js",
   "scripts": {
-    "build": "npm run -s build-debug",
-    "build-debug": "mkdir -p target && npm run -s cargo-build > ./target/out.ndjson && npm run -s copy-artifacts",
-    "build-release": "mkdir -p target && npm run -s cargo-build-release > ./target/out.ndjson && npm run -s copy-artifacts",
-    "build-all": "mkdir -p target && npm run -s cargo-build -- --workspace > ./target/out.ndjson && npm run -s copy-artifacts",
-    "cargo-build-release": "npm run -s cargo-build -- --release",
+    "install-wasm-pack": "curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh",
+    "build": "yarn -s build-debug && yarn -s build-wasm",
+    "build-debug": "mkdir -p target && yarn -s cargo-build > ./target/out.ndjson && yarn -s copy-artifacts",
+    "build-release": "mkdir -p target && yarn -s cargo-build-release > ./target/out.ndjson && yarn -s copy-artifacts",
+    "build-all": "mkdir -p target && yarn -s cargo-build -- --workspace > ./target/out.ndjson && yarn -s copy-artifacts && yarn -s build-wasm",
+    "build-wasm": "yarn -s install-wasm-pack && node scripts/build-wasm.js",
+    "cargo-build-release": "yarn -s cargo-build -- --release",
     "cargo-build": "cargo build --message-format=json-render-diagnostics",
     "copy-artifacts": "node ./scripts/copy-artifacts",
-    "test": "node test"
+    "lint": "eslint .",
+    "test": "bash scripts/test.sh"
   },
   "author": "Datadog Inc. <info@datadoghq.com>",
   "license": "Apache-2.0",
@@ -22,5 +25,17 @@
   "bugs": {
     "url": "https://github.com/DataDog/libdatadog-nodejs/issues"
   },
-  "homepage": "https://github.com/DataDog/libdatadog-nodejs#readme"
+  "homepage": "https://github.com/DataDog/libdatadog-nodejs#readme",
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "@eslint/js": "^10.0.1",
+    "@stylistic/eslint-plugin": "^5.9.0",
+    "eslint": "^10.6.0",
+    "eslint-plugin-import-x": "^4.17.1",
+    "eslint-plugin-n": "^17.24.0",
+    "eslint-plugin-unicorn": "^63.0.0",
+    "globals": "^17.7.0"
+  }
 }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index e25453f5..4001ea7a 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.80.0"
+channel = "1.90.0"
 profile = "minimal"
 components = ["clippy", "rustfmt", "rust-src"]
diff --git a/scripts/build-wasm.js b/scripts/build-wasm.js
new file mode 100644
index 00000000..93b338e6
--- /dev/null
+++ b/scripts/build-wasm.js
@@ -0,0 +1,58 @@
+// This script builds a WebAssembly module using wasm-pack. It is essentially invoking
+// wasm-pack build. All the special handling is for macOS, because Apple's Clang version suffers
+// from some issues that prevent it from compiling at least the zstd crate.
+// See https://github.com/gyscos/zstd-rs/issues/302
+// This is solved by requiring the homebrew version of LLVM to be installed and available in the
+// PATH. Unfortunately, this version then suffers from a different issue that requires wasm-opt to
+// be disabled.
+// See https://github.com/WebAssembly/wasi-sdk/issues/254
+// See https://github.com/llvm/llvm-project/issues/64909
+// Our releases are built on Linux, and fortunately no special handling is required there. This
+// script only allows development to happen on macOS.
+
+const os = require('node:os')
+const childProcess = require('node:child_process')
+
+const isMacOS = os.platform() === 'darwin'
+const noWasmOpt = isMacOS ? '--no-opt' : ''
+const libraries = [
+  'library_config',
+  'datadog-js-zstd',
+  'pipeline',
+  'sketches',
+]
+
+const env = {
+  ...process.env,
+}
+
+if (isMacOS) {
+  const homebrewDir = env.HOMEBREW_DIR ?? '/opt/homebrew'
+  const llvmDir = `${homebrewDir}/opt/llvm/`
+  const llvmBinDir = `${llvmDir}/bin`
+
+  try {
+    childProcess.execSync(`${llvmBinDir}/llvm-config --version`)
+  } catch {
+    console.error(`‼️ LLVM not found in ${llvmDir}.\n‼️ Please install LLVM using Homebrew:\n📝   brew install llvm`)
+    process.exit(1) // eslint-disable-line unicorn/no-process-exit
+  }
+
+  if (!env.PATH.includes(llvmBinDir)) {
+    // Add LLVM to PATH if not already included
+    env.PATH = `${llvmBinDir}:${env.PATH}`
+  }
+
+  // Force C/C++ code (e.g. zstd-sys) to use Homebrew's clang for wasm32. Otherwise a global
+  // CC (e.g. ccache cc) can point at Apple Clang, which does not support wasm32-unknown-unknown.
+  env.CC_wasm32_unknown_unknown = `${llvmBinDir}/clang`
+  env.CXX_wasm32_unknown_unknown = `${llvmBinDir}/clang++`
+}
+
+for (const library of libraries) {
+  childProcess.execSync(
+    `wasm-pack build ${noWasmOpt} --target nodejs ./crates/${library} --out-dir ../../prebuilds/${library}`, {
+      env,
+    },
+  )
+}
diff --git a/scripts/copy-artifacts.js b/scripts/copy-artifacts.js
index ecca6bfd..e7651234 100644
--- a/scripts/copy-artifacts.js
+++ b/scripts/copy-artifacts.js
@@ -10,7 +10,7 @@ const outPath = path.join(rootPath, 'target', 'out.ndjson')
 const buildPath = path.join(rootPath, 'build', 'Release')
 
 const lineReader = readline.createInterface({
-  input: fs.createReadStream(outPath)
+  input: fs.createReadStream(outPath),
 })
 
 lineReader.on('line', function (line) {
diff --git a/scripts/test.sh b/scripts/test.sh
new file mode 100755
index 00000000..181afd39
--- /dev/null
+++ b/scripts/test.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+set -e
+
+run_test() {
+  local dir
+  dir=$(dirname "$1")
+  if [ -f "${dir}/package.json" ]; then
+    echo "Installing dependencies for $1"
+    yarn --cwd "$dir" install
+  fi
+  echo "Running $1"
+  # node:test does not force the process to exit when the event loop is kept
+  # active by async work that has already settled (e.g. the wasm trace
+  # exporter's runtime machinery after a flush). For the long-lived real
+  # consumer that is expected; for the test runner we force a clean exit once
+  # all tests have finished. Only applies to files that use node:test.
+  #
+  # `--test-force-exit` exists on Node >= 20.14/22 but Node 18 rejects it as an
+  # unknown option. The wasm transport unref's its timeout/backoff timers so the
+  # process still exits cleanly without the flag; probe for support and degrade
+  # gracefully on Node 18.
+  if grep -q "node:test" "$1"; then
+    if node --test-force-exit --eval '' >/dev/null 2>&1; then
+      node --test-force-exit "$1"
+    else
+      node "$1"
+    fi
+  else
+    node "$1"
+  fi
+}
+
+# Run top-level test files
+for f in test/*.js; do
+  # pipeline.js's wasm exporter keeps the event loop alive after a flush, so it
+  # needs --test-force-exit. Node 18 lacks that flag AND the wasm HTTP client
+  # leaves a mock-agent socket open, so node:test cannot exit cleanly there. The
+  # pipeline wasm is fully exercised by the build-test-wasm job and by the
+  # Node 20/22/24/26 runs here, so skip it on a Node without --test-force-exit.
+  if [ "$f" = "test/pipeline.js" ] && ! node --test-force-exit --eval '' >/dev/null 2>&1; then
+    echo "Skipping $f (no --test-force-exit on this Node; covered by build-test-wasm + newer Node)"
+    continue
+  fi
+  run_test "$f"
+done
+
+# Run index.js in test subdirectories (except wasm)
+for d in test/*/; do
+  case "$d" in
+    *wasm*) ;;
+    *)
+      [ -f "${d}index.js" ] && run_test "${d}index.js"
+      ;;
+  esac
+done
diff --git a/test-wasm.js b/test-wasm.js
new file mode 100644
index 00000000..47aadf04
--- /dev/null
+++ b/test-wasm.js
@@ -0,0 +1,10 @@
+'use strict'
+
+const fs = require('node:fs')
+
+const crateTestsDir = `./test/wasm/${process.argv[2]}`
+const files = fs.readdirSync(crateTestsDir).filter(file => file.endsWith('.js') || !file.includes('.'))
+
+for (const file of files) {
+  require(`${crateTestsDir}/${file}`)
+}
diff --git a/test.js b/test.js
deleted file mode 100644
index c4a5f148..00000000
--- a/test.js
+++ /dev/null
@@ -1,7 +0,0 @@
-'use strict'
-
-const fs = require('fs')
-
-fs.readdirSync('test').forEach(file => {
-  require('./test/' + file)
-})
diff --git a/test/crashtracker.js b/test/crashtracker.js
deleted file mode 100644
index 66dedacc..00000000
--- a/test/crashtracker.js
+++ /dev/null
@@ -1,30 +0,0 @@
-'use strict'
-
-const libdatadog = require('..')
-const crashtracker = libdatadog.load('crashtracker')
-
-crashtracker.initWithReceiver({
-  additional_files: [],
-  create_alt_stack: false,
-  endpoint: {
-    url: {
-      scheme: 'http',
-      authority: 'localhost:8126',
-      path_and_query: ''
-    },
-    timeout_ms: 3000
-  },
-  resolve_frames: 'Disabled',
-  wait_for_receiver: false
-}, {
-  args: [],
-  env: [],
-  path_to_receiver_binary: libdatadog.find('crashtracker-receiver', true),
-  stderr_filename: null,
-  stdout_filename: null,
-}, {
-  library_name: "dd-trace-js",
-  library_version: '0.0.0',
-  family: 'nodejs',
-  tags: []
-})
diff --git a/test/crashtracker/.gitignore b/test/crashtracker/.gitignore
new file mode 100644
index 00000000..378eac25
--- /dev/null
+++ b/test/crashtracker/.gitignore
@@ -0,0 +1 @@
+build
diff --git a/test/crashtracker/app-seg-fault.js b/test/crashtracker/app-seg-fault.js
new file mode 100644
index 00000000..8eb94c19
--- /dev/null
+++ b/test/crashtracker/app-seg-fault.js
@@ -0,0 +1,11 @@
+'use strict'
+
+const libdatadog = require('../..')
+
+const { initTestCrashtracker } = require('./test-utils')
+
+const crashtracker = libdatadog.load('crashtracker')
+
+initTestCrashtracker()
+crashtracker.beginProfilerSerializing()
+require('@datadog/segfaultify').segfaultify()
diff --git a/test/crashtracker/app-uncaught-exception-non-error.js b/test/crashtracker/app-uncaught-exception-non-error.js
new file mode 100644
index 00000000..cc5962d9
--- /dev/null
+++ b/test/crashtracker/app-uncaught-exception-non-error.js
@@ -0,0 +1,16 @@
+'use strict'
+
+const libdatadog = require('../..')
+
+const { initTestCrashtracker } = require('./test-utils')
+
+const crashtracker = libdatadog.load('crashtracker')
+
+initTestCrashtracker()
+crashtracker.beginProfilerSerializing()
+
+process.on('uncaughtExceptionMonitor', (e, origin) => {
+  crashtracker.reportUncaughtExceptionMonitor(e, origin)
+})
+
+throw 'a plain string error'
diff --git a/test/crashtracker/app-uncaught-exception.js b/test/crashtracker/app-uncaught-exception.js
new file mode 100644
index 00000000..0fa04558
--- /dev/null
+++ b/test/crashtracker/app-uncaught-exception.js
@@ -0,0 +1,20 @@
+'use strict'
+
+const libdatadog = require('../..')
+
+const { initTestCrashtracker } = require('./test-utils')
+
+const crashtracker = libdatadog.load('crashtracker')
+
+initTestCrashtracker()
+crashtracker.beginProfilerSerializing()
+
+process.on('uncaughtExceptionMonitor', (e, origin) => {
+  crashtracker.reportUncaughtExceptionMonitor(e, origin)
+})
+
+function myFaultyFunction () {
+  throw new TypeError('something went wrong')
+}
+
+myFaultyFunction()
diff --git a/test/crashtracker/app-unhandled-rejection-non-error.js b/test/crashtracker/app-unhandled-rejection-non-error.js
new file mode 100644
index 00000000..bb79f2d1
--- /dev/null
+++ b/test/crashtracker/app-unhandled-rejection-non-error.js
@@ -0,0 +1,16 @@
+'use strict'
+
+const libdatadog = require('../..')
+
+const { initTestCrashtracker } = require('./test-utils')
+
+const crashtracker = libdatadog.load('crashtracker')
+
+initTestCrashtracker()
+crashtracker.beginProfilerSerializing()
+
+process.on('uncaughtExceptionMonitor', (e, origin) => {
+  crashtracker.reportUncaughtExceptionMonitor(e, origin)
+})
+
+Promise.reject('a plain string rejection')
diff --git a/test/crashtracker/app-unhandled-rejection.js b/test/crashtracker/app-unhandled-rejection.js
new file mode 100644
index 00000000..ed735719
--- /dev/null
+++ b/test/crashtracker/app-unhandled-rejection.js
@@ -0,0 +1,20 @@
+'use strict'
+
+const libdatadog = require('../..')
+
+const { initTestCrashtracker } = require('./test-utils')
+
+const crashtracker = libdatadog.load('crashtracker')
+
+initTestCrashtracker()
+crashtracker.beginProfilerSerializing()
+
+process.on('uncaughtExceptionMonitor', (e, origin) => {
+  crashtracker.reportUncaughtExceptionMonitor(e, origin)
+})
+
+async function myAsyncFaultyFunction () {
+  throw new Error('async went wrong')
+}
+
+myAsyncFaultyFunction() // eslint-disable-line unicorn/prefer-top-level-await
diff --git a/test/crashtracker/index.js b/test/crashtracker/index.js
new file mode 100644
index 00000000..9c6c2c00
--- /dev/null
+++ b/test/crashtracker/index.js
@@ -0,0 +1,171 @@
+'use strict'
+
+const assert = require('node:assert')
+const { existsSync, rmSync } = require('node:fs')
+const path = require('node:path')
+const { execSync, exec } = require('node:child_process')
+
+const bodyParser = require('body-parser')
+const express = require('express')
+
+const cwd = __dirname
+const stdio = ['inherit', 'inherit', 'inherit']
+const uid = process.getuid()
+const gid = process.getgid()
+const opts = { cwd, stdio, uid, gid }
+
+const app = express()
+
+rmSync(path.join(cwd, 'stdout.log'), { force: true })
+rmSync(path.join(cwd, 'stderr.log'), { force: true })
+
+const timeout = setTimeout(() => {
+  const stdoutLog = path.join(cwd, 'stdout.log')
+  const stderrLog = path.join(cwd, 'stderr.log')
+  if (existsSync(stdoutLog)) {
+    execSync(`cat ${stdoutLog}`, opts)
+  } else {
+    console.error('stdout.log not found (crashtracker-receiver may not have started)')
+  }
+  if (existsSync(stderrLog)) {
+    execSync(`cat ${stderrLog}`, opts)
+  } else {
+    console.error('stderr.log not found (crashtracker-receiver may not have started)')
+  }
+
+  throw new Error('No crash report received before timing out.')
+}, 20_000)
+
+let currentTest
+
+app.use(bodyParser.json({ limit: '10mb' }))
+
+app.post('/telemetry/proxy/api/v2/apmtelemetry', (req, res) => {
+  res.status(200).send()
+
+  const logPayload = req.body.payload.logs[0]
+  const tags = logPayload.tags ? logPayload.tags.split(',') : []
+
+  // Only process crash reports (not pings)
+  if (!logPayload.is_crash) {
+    return
+  }
+
+  if (!currentTest) {
+    throw new Error('Received unexpected crash report with no active test.')
+  }
+
+  currentTest(logPayload, tags)
+})
+
+let PORT
+
+function runApp (script) {
+  return new Promise((resolve, reject) => {
+    let closeTimer
+    let done = false
+
+    const child = exec(`node ${script}`, {
+      ...opts,
+      env: { ...process.env, PORT },
+    })
+
+    child.on('error', (err) => {
+      cleanup()
+      reject(new Error(`Child process for "${script}" failed to start`, { cause: err }))
+    })
+
+    child.on('close', (code, signal) => {
+      if (done) return
+      // Allow a grace period for the crash report HTTP request to arrive
+      // after the child process exits (e.g. segfault sends report then dies).
+      closeTimer = setTimeout(() => {
+        const reason = signal ? `signal ${signal}` : `exit code ${code}`
+        reject(new Error(`Child process for "${script}" exited with ${reason} before sending a crash report`))
+      }, 5000)
+    })
+
+    currentTest = (logPayload, tags) => {
+      cleanup()
+      currentTest = undefined
+      resolve({ logPayload, tags })
+    }
+
+    function cleanup () {
+      clearTimeout(closeTimer)
+      done = true
+    }
+  })
+}
+
+async function testSegfault () {
+  console.log('Running test: testSegfault')
+
+  const { logPayload, tags } = await runApp('app-seg-fault')
+  const stackTrace = JSON.parse(logPayload.message).error.stack.frames
+  const boomFrame = stackTrace.find(frame => frame.function?.toLowerCase().includes('segfaultify'))
+
+  if (existsSync('/etc/alpine-release')) {
+    console.log('[segfault] Received crash report. Skipping stack trace test since it is currently unsupported for Alpine.')
+  } else {
+    assert(boomFrame, '[segfault] Expected stack frame for crashing function not found.')
+  }
+
+  assert(tags.includes('profiler_serializing:1'), '[segfault] Expected profiler_serializing:1 tag not found.')
+}
+
+async function testUnhandledError (label, script, { expectedType, expectedMessage, expectedFrame }) {
+  console.log('Running test: testUnhandledError', label)
+
+  const { logPayload } = await runApp(script)
+  const crashReport = JSON.parse(logPayload.message)
+
+  assert(crashReport.error.message.includes(expectedType), `[${label}] Expected exception type "${expectedType}" not found in message.`)
+  assert(crashReport.error.message.includes(expectedMessage), `[${label}] Expected exception message "${expectedMessage}" not found.`)
+  if (expectedFrame) {
+    const frame = crashReport.error.stack.frames.find(f => f.function && f.function.includes(expectedFrame))
+    assert(frame, `[${label}] Expected stack frame for ${expectedFrame} not found.`)
+  }
+}
+
+async function testUnhandledNonError (label, script, { expectedFallbackType, expectedValue }) {
+  console.log('Running test: testUnhandledNonError', label)
+
+  const { logPayload } = await runApp(script)
+  const crashReport = JSON.parse(logPayload.message)
+
+  assert(crashReport.error.message.includes(expectedFallbackType), `[${label}] Expected fallback type "${expectedFallbackType}" not found in message.`)
+  assert(crashReport.error.message.includes(expectedValue), `[${label}] Expected stringified value "${expectedValue}" not found in message.`)
+  assert.strictEqual(crashReport.error.stack.frames.length, 0, `[${label}] Expected empty stack trace but got ${crashReport.error.stack.frames.length} frames.`)
+}
+
+const server = app.listen(async () => {
+  PORT = server.address().port
+
+  await testSegfault()
+  await testUnhandledError('uncaught-exception', 'app-uncaught-exception', {
+    expectedType: 'TypeError',
+    expectedMessage: 'something went wrong',
+    expectedFrame: 'myFaultyFunction',
+  })
+  await testUnhandledNonError('uncaught-exception-non-error', 'app-uncaught-exception-non-error', {
+    expectedFallbackType: 'uncaughtException',
+    expectedValue: 'a plain string error',
+  })
+  await testUnhandledError('unhandled-rejection', 'app-unhandled-rejection', {
+    expectedType: 'Error',
+    expectedMessage: 'async went wrong',
+    expectedFrame: 'myAsyncFaultyFunction',
+  })
+  // Node wraps non-Error rejections in an Error with name 'UnhandledPromiseRejection'
+  // before passing to uncaughtExceptionMonitor, so this hits the Error path.
+  // However, this test case rejects with a plain string, so the wrapped Error object has useless
+  // stack trace
+  await testUnhandledError('unhandled-rejection-non-error', 'app-unhandled-rejection-non-error', {
+    expectedType: 'UnhandledPromiseRejection',
+    expectedMessage: 'a plain string rejection',
+  })
+
+  clearTimeout(timeout)
+  server.close()
+})
diff --git a/test/crashtracker/package-lock.json b/test/crashtracker/package-lock.json
new file mode 100644
index 00000000..92fc554d
--- /dev/null
+++ b/test/crashtracker/package-lock.json
@@ -0,0 +1,1128 @@
+{
+  "name": "crashtracker",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "@datadog/segfaultify": "^0.1.1",
+        "body-parser": "^1.20.3",
+        "express": "^5.2.1"
+      }
+    },
+    "node_modules/@datadog/segfaultify": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/@datadog/segfaultify/-/segfaultify-0.1.1.tgz",
+      "integrity": "sha512-wYfDBfS9VlsTOF10HkWgu7abTWsoGTFkaHxjiw8V6I2pXbfb+D3KNdjb4H+0jD7vnChs4Jm7Rgetg0j89jrlYw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "node-gyp-build": "^3.9.0"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
+      "integrity": "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "^3.0.0",
+        "negotiator": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/accepts/node_modules/mime-db": {
+      "version": "1.54.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
+      "integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/accepts/node_modules/mime-types": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.2.tgz",
+      "integrity": "sha512-Lbgzdk0h4juoQ9fCKXW4by0UJqj+nOOrI9MJ1sSj4nI8aI2eo1qmvQEie4VD1glsS250n15LsWsYtCugiStS5A==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "^1.54.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/body-parser": {
+      "version": "1.20.4",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.4.tgz",
+      "integrity": "sha512-ZTgYYLMOXY9qKU/57FAo8F+HA2dGX7bqGc71txDRC1rS4frdFI5R7NhluHxH6M0YItAP0sHB4uqAOcYKxO6uGA==",
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "~3.1.2",
+        "content-type": "~1.0.5",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "~1.2.0",
+        "http-errors": "~2.0.1",
+        "iconv-lite": "~0.4.24",
+        "on-finished": "~2.4.1",
+        "qs": "~6.14.0",
+        "raw-body": "~2.5.3",
+        "type-is": "~1.6.18",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
+    "node_modules/bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/call-bound": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
+      "integrity": "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/content-disposition": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.1.0.tgz",
+      "integrity": "sha512-5jRCH9Z/+DRP7rkvY83B+yGIGX96OYdJmzngqnw2SBSxqCFPd0w2km3s5iawpGX8krnwSGmF0FW5Nhr0Hfai3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
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+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
+      "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
+      "license": "MIT",
+      "engines": {
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+      }
+    },
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+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
+      "license": "MIT",
+      "engines": {
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+      }
+    },
+    "node_modules/cookie-signature": {
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+      "integrity": "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg==",
+      "license": "MIT",
+      "engines": {
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+      }
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+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+      "license": "MIT",
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+      },
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+      "engines": {
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/express/-/express-5.2.1.tgz",
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+        "content-type": "^1.0.5",
+        "cookie": "^0.7.1",
+        "cookie-signature": "^1.2.1",
+        "debug": "^4.4.0",
+        "depd": "^2.0.0",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "finalhandler": "^2.1.0",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.0",
+        "merge-descriptors": "^2.0.0",
+        "mime-types": "^3.0.0",
+        "on-finished": "^2.4.1",
+        "once": "^1.4.0",
+        "parseurl": "^1.3.3",
+        "proxy-addr": "^2.0.7",
+        "qs": "^6.14.0",
+        "range-parser": "^1.2.1",
+        "router": "^2.2.0",
+        "send": "^1.1.0",
+        "serve-static": "^2.2.0",
+        "statuses": "^2.0.1",
+        "type-is": "^2.0.1",
+        "vary": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
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+      },
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+      },
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+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
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+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
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+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
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+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
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+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
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+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "side-channel": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/raw-body": {
+      "version": "2.5.3",
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+      "license": "MIT",
+      "dependencies": {
+        "bytes": "~3.1.2",
+        "http-errors": "~2.0.1",
+        "iconv-lite": "~0.4.24",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
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+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.0",
+        "depd": "^2.0.0",
+        "is-promise": "^4.0.0",
+        "parseurl": "^1.3.3",
+        "path-to-regexp": "^8.0.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/router/node_modules/debug": {
+      "version": "4.4.3",
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+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/router/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
+    "node_modules/send": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/send/-/send-1.2.1.tgz",
+      "integrity": "sha512-1gnZf7DFcoIcajTjTwjwuDjzuz4PPcY2StKPlsGAQ1+YH20IRVrBaXSWmdjowTJ6u8Rc01PoYOGHXfP1mYcZNQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.3",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.1",
+        "mime-types": "^3.0.2",
+        "ms": "^2.1.3",
+        "on-finished": "^2.4.1",
+        "range-parser": "^1.2.1",
+        "statuses": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/send/node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/send/node_modules/mime-db": {
+      "version": "1.54.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
+      "integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/send/node_modules/mime-types": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.2.tgz",
+      "integrity": "sha512-Lbgzdk0h4juoQ9fCKXW4by0UJqj+nOOrI9MJ1sSj4nI8aI2eo1qmvQEie4VD1glsS250n15LsWsYtCugiStS5A==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "^1.54.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/send/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
+    "node_modules/serve-static": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-2.2.1.tgz",
+      "integrity": "sha512-xRXBn0pPqQTVQiC8wyQrKs2MOlX24zQ0POGaj0kultvoOCstBQM5yvOhAVSUwOMjQtTvsPWoNCHfPGwaaQJhTw==",
+      "license": "MIT",
+      "dependencies": {
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "parseurl": "^1.3.3",
+        "send": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/setprototypeof": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
+      "license": "ISC"
+    },
+    "node_modules/side-channel": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz",
+      "integrity": "sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.3",
+        "side-channel-list": "^1.0.0",
+        "side-channel-map": "^1.0.1",
+        "side-channel-weakmap": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-list": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/side-channel-list/-/side-channel-list-1.0.0.tgz",
+      "integrity": "sha512-FCLHtRD/gnpCiCHEiJLOwdmFP+wzCmDEkc9y7NsYxeF4u7Btsn1ZuwgwJGxImImHicJArLP4R0yX4c2KCrMrTA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-map": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/side-channel-map/-/side-channel-map-1.0.1.tgz",
+      "integrity": "sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-weakmap": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/side-channel-weakmap/-/side-channel-weakmap-1.0.2.tgz",
+      "integrity": "sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3",
+        "side-channel-map": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/statuses": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "license": "MIT",
+      "dependencies": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "license": "ISC"
+    }
+  }
+}
diff --git a/test/crashtracker/package.json b/test/crashtracker/package.json
new file mode 100644
index 00000000..d5af9436
--- /dev/null
+++ b/test/crashtracker/package.json
@@ -0,0 +1,9 @@
+{
+  "private": true,
+  "main": "index.js",
+  "dependencies": {
+    "@datadog/segfaultify": "^0.1.1",
+    "body-parser": "^1.20.3",
+    "express": "^5.2.1"
+  }
+}
diff --git a/test/crashtracker/test-utils.js b/test/crashtracker/test-utils.js
new file mode 100644
index 00000000..32d135c0
--- /dev/null
+++ b/test/crashtracker/test-utils.js
@@ -0,0 +1,47 @@
+'use strict'
+
+const libdatadog = require('../..')
+const crashtracker = libdatadog.load('crashtracker')
+
+function initTestCrashtracker () {
+  crashtracker.init({
+    additional_files: [],
+    collect_all_threads: true,
+    create_alt_stack: true,
+    use_alt_stack: true,
+    endpoint: {
+      url: {
+        scheme: 'http',
+        authority: `127.0.0.1:${process.env.PORT || 8126}`,
+        path_and_query: '',
+      },
+      timeout_ms: 3000,
+    },
+    timeout: { secs: 15, nanos: 0 },
+    // In process symbol resolution can crash the CT process itself.
+    resolve_frames: 'EnabledWithSymbolsInReceiver',
+    wait_for_receiver: true,
+    demangle_names: true,
+    signals: [],
+  }, {
+    args: [],
+    env: [],
+    path_to_receiver_binary: libdatadog.find('crashtracker-receiver', true),
+    stderr_filename: 'stderr.log',
+    stdout_filename: 'stdout.log',
+  }, {
+    library_name: 'dd-trace-js',
+    library_version: '6.0.0-pre',
+    family: 'javascript',
+    tags: [
+      'language:javascript',
+      'runtime:nodejs',
+      'runtime-id:8a8fef6433a849b3bc3171198831d102',
+      'library_version:6.0.0-pre',
+      'is_crash:true',
+      'severity:crash',
+    ],
+  })
+}
+
+module.exports = { initTestCrashtracker }
diff --git a/test/crashtracker/yarn.lock b/test/crashtracker/yarn.lock
new file mode 100644
index 00000000..34ee2463
--- /dev/null
+++ b/test/crashtracker/yarn.lock
@@ -0,0 +1,579 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@datadog/segfaultify@^0.1.1":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@datadog/segfaultify/-/segfaultify-0.1.1.tgz#bd12d31ad26c5d15dc1b8c32572ceb37dbb12651"
+  integrity sha512-wYfDBfS9VlsTOF10HkWgu7abTWsoGTFkaHxjiw8V6I2pXbfb+D3KNdjb4H+0jD7vnChs4Jm7Rgetg0j89jrlYw==
+  dependencies:
+    node-gyp-build "^3.9.0"
+
+accepts@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-2.0.0.tgz#bbcf4ba5075467f3f2131eab3cffc73c2f5d7895"
+  integrity sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==
+  dependencies:
+    mime-types "^3.0.0"
+    negotiator "^1.0.0"
+
+body-parser@^1.20.3:
+  version "1.20.4"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.20.4.tgz#f8e20f4d06ca8a50a71ed329c15dccad1cdc547f"
+  integrity sha512-ZTgYYLMOXY9qKU/57FAo8F+HA2dGX7bqGc71txDRC1rS4frdFI5R7NhluHxH6M0YItAP0sHB4uqAOcYKxO6uGA==
+  dependencies:
+    bytes "~3.1.2"
+    content-type "~1.0.5"
+    debug "2.6.9"
+    depd "2.0.0"
+    destroy "~1.2.0"
+    http-errors "~2.0.1"
+    iconv-lite "~0.4.24"
+    on-finished "~2.4.1"
+    qs "~6.14.0"
+    raw-body "~2.5.3"
+    type-is "~1.6.18"
+    unpipe "~1.0.0"
+
+body-parser@^2.2.1:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-2.3.0.tgz#6d8662f4d8c336028b8ac9aa24251b0ca64ba437"
+  integrity sha512-2cGmJupaNgg+QUwVLAucDuWuoMZ6EX9iHDRswZ5lsNYEmwPaRknMPCLZz07yTzVq/83p4o/wzbDZbBrTvGGTIw==
+  dependencies:
+    bytes "^3.1.2"
+    content-type "^2.0.0"
+    debug "^4.4.3"
+    http-errors "^2.0.1"
+    iconv-lite "^0.7.2"
+    on-finished "^2.4.1"
+    qs "^6.15.2"
+    raw-body "^3.0.2"
+    type-is "^2.1.0"
+
+bytes@^3.1.2, bytes@~3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.2.tgz#8b0beeb98605adf1b128fa4386403c009e0221a5"
+  integrity sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==
+
+call-bind-apply-helpers@^1.0.1, call-bind-apply-helpers@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz#4b5428c222be985d79c3d82657479dbe0b59b2d6"
+  integrity sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==
+  dependencies:
+    es-errors "^1.3.0"
+    function-bind "^1.1.2"
+
+call-bound@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/call-bound/-/call-bound-1.0.4.tgz#238de935d2a2a692928c538c7ccfa91067fd062a"
+  integrity sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg==
+  dependencies:
+    call-bind-apply-helpers "^1.0.2"
+    get-intrinsic "^1.3.0"
+
+content-disposition@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-1.1.0.tgz#f3db789c752d45564cc7e9e1e0b31790d4a38e17"
+  integrity sha512-5jRCH9Z/+DRP7rkvY83B+yGIGX96OYdJmzngqnw2SBSxqCFPd0w2km3s5iawpGX8krnwSGmF0FW5Nhr0Hfai3g==
+
+content-type@^1.0.5, content-type@~1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.5.tgz#8b773162656d1d1086784c8f23a54ce6d73d7918"
+  integrity sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==
+
+content-type@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-2.0.0.tgz#2fb3ede69dffa0af78ca7c4ce7589680638b56df"
+  integrity sha512-j/O/d7GcZCyNl7/hwZAb606rzqkyvaDctLmckbxLzHvFBzTJHuGEdodATcP3yIRoDrLHkIATJuvzbFlp/ki2cQ==
+
+cookie-signature@^1.2.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.2.2.tgz#57c7fc3cc293acab9fec54d73e15690ebe4a1793"
+  integrity sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg==
+
+cookie@^0.7.1:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.7.2.tgz#556369c472a2ba910f2979891b526b3436237ed7"
+  integrity sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==
+
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+debug@^4.4.0, debug@^4.4.3:
+  version "4.4.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.4.3.tgz#c6ae432d9bd9662582fce08709b038c58e9e3d6a"
+  integrity sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==
+  dependencies:
+    ms "^2.1.3"
+
+depd@2.0.0, depd@^2.0.0, depd@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-2.0.0.tgz#b696163cc757560d09cf22cc8fad1571b79e76df"
+  integrity sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==
+
+destroy@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.2.0.tgz#4803735509ad8be552934c67df614f94e66fa015"
+  integrity sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg==
+
+dunder-proto@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/dunder-proto/-/dunder-proto-1.0.1.tgz#d7ae667e1dc83482f8b70fd0f6eefc50da30f58a"
+  integrity sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==
+  dependencies:
+    call-bind-apply-helpers "^1.0.1"
+    es-errors "^1.3.0"
+    gopd "^1.2.0"
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==
+
+encodeurl@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-2.0.0.tgz#7b8ea898077d7e409d3ac45474ea38eaf0857a58"
+  integrity sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg==
+
+es-define-property@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/es-define-property/-/es-define-property-1.0.1.tgz#983eb2f9a6724e9303f61addf011c72e09e0b0fa"
+  integrity sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==
+
+es-errors@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/es-errors/-/es-errors-1.3.0.tgz#05f75a25dab98e4fb1dcd5e1472c0546d5057c8f"
+  integrity sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==
+
+es-object-atoms@^1.0.0, es-object-atoms@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/es-object-atoms/-/es-object-atoms-1.1.1.tgz#1c4f2c4837327597ce69d2ca190a7fdd172338c1"
+  integrity sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==
+  dependencies:
+    es-errors "^1.3.0"
+
+escape-html@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow==
+
+etag@^1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==
+
+express@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/express/-/express-5.2.1.tgz#8f21d15b6d327f92b4794ecf8cb08a72f956ac04"
+  integrity sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw==
+  dependencies:
+    accepts "^2.0.0"
+    body-parser "^2.2.1"
+    content-disposition "^1.0.0"
+    content-type "^1.0.5"
+    cookie "^0.7.1"
+    cookie-signature "^1.2.1"
+    debug "^4.4.0"
+    depd "^2.0.0"
+    encodeurl "^2.0.0"
+    escape-html "^1.0.3"
+    etag "^1.8.1"
+    finalhandler "^2.1.0"
+    fresh "^2.0.0"
+    http-errors "^2.0.0"
+    merge-descriptors "^2.0.0"
+    mime-types "^3.0.0"
+    on-finished "^2.4.1"
+    once "^1.4.0"
+    parseurl "^1.3.3"
+    proxy-addr "^2.0.7"
+    qs "^6.14.0"
+    range-parser "^1.2.1"
+    router "^2.2.0"
+    send "^1.1.0"
+    serve-static "^2.2.0"
+    statuses "^2.0.1"
+    type-is "^2.0.1"
+    vary "^1.1.2"
+
+finalhandler@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-2.1.1.tgz#a2c517a6559852bcdb06d1f8bd7f51b68fad8099"
+  integrity sha512-S8KoZgRZN+a5rNwqTxlZZePjT/4cnm0ROV70LedRHZ0p8u9fRID0hJUZQpkKLzro8LfmC8sx23bY6tVNxv8pQA==
+  dependencies:
+    debug "^4.4.0"
+    encodeurl "^2.0.0"
+    escape-html "^1.0.3"
+    on-finished "^2.4.1"
+    parseurl "^1.3.3"
+    statuses "^2.0.1"
+
+forwarded@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
+  integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==
+
+fresh@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-2.0.0.tgz#8dd7df6a1b3a1b3a5cf186c05a5dd267622635a4"
+  integrity sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A==
+
+function-bind@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.2.tgz#2c02d864d97f3ea6c8830c464cbd11ab6eab7a1c"
+  integrity sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==
+
+get-intrinsic@^1.2.5, get-intrinsic@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.3.0.tgz#743f0e3b6964a93a5491ed1bffaae054d7f98d01"
+  integrity sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==
+  dependencies:
+    call-bind-apply-helpers "^1.0.2"
+    es-define-property "^1.0.1"
+    es-errors "^1.3.0"
+    es-object-atoms "^1.1.1"
+    function-bind "^1.1.2"
+    get-proto "^1.0.1"
+    gopd "^1.2.0"
+    has-symbols "^1.1.0"
+    hasown "^2.0.2"
+    math-intrinsics "^1.1.0"
+
+get-proto@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/get-proto/-/get-proto-1.0.1.tgz#150b3f2743869ef3e851ec0c49d15b1d14d00ee1"
+  integrity sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==
+  dependencies:
+    dunder-proto "^1.0.1"
+    es-object-atoms "^1.0.0"
+
+gopd@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/gopd/-/gopd-1.2.0.tgz#89f56b8217bdbc8802bd299df6d7f1081d7e51a1"
+  integrity sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==
+
+has-symbols@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.1.0.tgz#fc9c6a783a084951d0b971fe1018de813707a338"
+  integrity sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==
+
+hasown@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/hasown/-/hasown-2.0.2.tgz#003eaf91be7adc372e84ec59dc37252cedb80003"
+  integrity sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==
+  dependencies:
+    function-bind "^1.1.2"
+
+http-errors@^2.0.0, http-errors@^2.0.1, http-errors@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-2.0.1.tgz#36d2f65bc909c8790018dd36fb4d93da6caae06b"
+  integrity sha512-4FbRdAX+bSdmo4AUFuS0WNiPz8NgFt+r8ThgNWmlrjQjt1Q7ZR9+zTlce2859x4KSXrwIsaeTqDoKQmtP8pLmQ==
+  dependencies:
+    depd "~2.0.0"
+    inherits "~2.0.4"
+    setprototypeof "~1.2.0"
+    statuses "~2.0.2"
+    toidentifier "~1.0.1"
+
+iconv-lite@^0.7.2, iconv-lite@~0.7.0:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.7.2.tgz#d0bdeac3f12b4835b7359c2ad89c422a4d1cc72e"
+  integrity sha512-im9DjEDQ55s9fL4EYzOAv0yMqmMBSZp6G0VvFyTMPKWxiSBHUj9NW/qqLmXUwXrrM7AvqSlTCfvqRb0cM8yYqw==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3.0.0"
+
+iconv-lite@~0.4.24:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+inherits@~2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+ipaddr.js@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
+  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
+
+is-promise@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-4.0.0.tgz#42ff9f84206c1991d26debf520dd5c01042dd2f3"
+  integrity sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==
+
+math-intrinsics@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/math-intrinsics/-/math-intrinsics-1.1.0.tgz#a0dd74be81e2aa5c2f27e65ce283605ee4e2b7f9"
+  integrity sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==
+
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==
+
+media-typer@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-1.1.0.tgz#6ab74b8f2d3320f2064b2a87a38e7931ff3a5561"
+  integrity sha512-aisnrDP4GNe06UcKFnV5bfMNPBUw4jsLGaWwWfnH3v02GnBuXX2MCVn5RbrWo0j3pczUilYblq7fQ7Nw2t5XKw==
+
+merge-descriptors@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-2.0.0.tgz#ea922f660635a2249ee565e0449f951e6b603808"
+  integrity sha512-Snk314V5ayFLhp3fkUREub6WtjBfPdCPY1Ln8/8munuLuiYhsABgBVWsozAG+MWMbVEvcdcpbi9R7ww22l9Q3g==
+
+mime-db@1.52.0:
+  version "1.52.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
+  integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
+
+mime-db@^1.54.0:
+  version "1.54.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.54.0.tgz#cddb3ee4f9c64530dff640236661d42cb6a314f5"
+  integrity sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==
+
+mime-types@^3.0.0, mime-types@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-3.0.2.tgz#39002d4182575d5af036ffa118100f2524b2e2ab"
+  integrity sha512-Lbgzdk0h4juoQ9fCKXW4by0UJqj+nOOrI9MJ1sSj4nI8aI2eo1qmvQEie4VD1glsS250n15LsWsYtCugiStS5A==
+  dependencies:
+    mime-db "^1.54.0"
+
+mime-types@~2.1.24:
+  version "2.1.35"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
+  integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
+  dependencies:
+    mime-db "1.52.0"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==
+
+ms@^2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
+
+negotiator@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-1.0.0.tgz#b6c91bb47172d69f93cfd7c357bbb529019b5f6a"
+  integrity sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==
+
+node-gyp-build@^3.9.0:
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-3.9.0.tgz#53a350187dd4d5276750da21605d1cb681d09e25"
+  integrity sha512-zLcTg6P4AbcHPq465ZMFNXx7XpKKJh+7kkN699NiQWisR2uWYOWNWqRHAmbnmKiL4e9aLSlmy5U7rEMUXV59+A==
+
+object-inspect@^1.13.3:
+  version "1.13.4"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.13.4.tgz#8375265e21bc20d0fa582c22e1b13485d6e00213"
+  integrity sha512-W67iLl4J2EXEGTbfeHCffrjDfitvLANg0UlX3wFUUSTx92KXRFegMHUVgSqE+wvhAbi4WqjGg9czysTV2Epbew==
+
+on-finished@^2.4.1, on-finished@~2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.4.1.tgz#58c8c44116e54845ad57f14ab10b03533184ac3f"
+  integrity sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==
+  dependencies:
+    ee-first "1.1.1"
+
+once@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==
+  dependencies:
+    wrappy "1"
+
+parseurl@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
+  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
+
+path-to-regexp@^8.0.0:
+  version "8.4.2"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-8.4.2.tgz#795c420c4f7ca45c5b887366f622ee0c9852cccd"
+  integrity sha512-qRcuIdP69NPm4qbACK+aDogI5CBDMi1jKe0ry5rSQJz8JVLsC7jV8XpiJjGRLLol3N+R5ihGYcrPLTno6pAdBA==
+
+proxy-addr@^2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.7.tgz#f19fe69ceab311eeb94b42e70e8c2070f9ba1025"
+  integrity sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==
+  dependencies:
+    forwarded "0.2.0"
+    ipaddr.js "1.9.1"
+
+qs@^6.14.0, qs@^6.15.2:
+  version "6.15.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.15.2.tgz#fd55426d710403ddccc45e0f9eab16db7727ece9"
+  integrity sha512-Rzq0KEyX/w/tEybncDgdkZrJgVUsUMk3xjh3t5bv3S1HTAtg+uOYt72+ZfwiQwKdysThkTBdL/rTi6HDmX9Ddw==
+  dependencies:
+    side-channel "^1.1.0"
+
+qs@~6.14.0:
+  version "6.14.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.14.2.tgz#b5634cf9d9ad9898e31fba3504e866e8efb6798c"
+  integrity sha512-V/yCWTTF7VJ9hIh18Ugr2zhJMP01MY7c5kh4J870L7imm6/DIzBsNLTXzMwUA3yZ5b/KBqLx8Kp3uRvd7xSe3Q==
+  dependencies:
+    side-channel "^1.1.0"
+
+range-parser@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
+  integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
+
+raw-body@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-3.0.2.tgz#3e3ada5ae5568f9095d84376fd3a49b8fb000a51"
+  integrity sha512-K5zQjDllxWkf7Z5xJdV0/B0WTNqx6vxG70zJE4N0kBs4LovmEYWJzQGxC9bS9RAKu3bgM40lrd5zoLJ12MQ5BA==
+  dependencies:
+    bytes "~3.1.2"
+    http-errors "~2.0.1"
+    iconv-lite "~0.7.0"
+    unpipe "~1.0.0"
+
+raw-body@~2.5.3:
+  version "2.5.3"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.5.3.tgz#11c6650ee770a7de1b494f197927de0c923822e2"
+  integrity sha512-s4VSOf6yN0rvbRZGxs8Om5CWj6seneMwK3oDb4lWDH0UPhWcxwOWw5+qk24bxq87szX1ydrwylIOp2uG1ojUpA==
+  dependencies:
+    bytes "~3.1.2"
+    http-errors "~2.0.1"
+    iconv-lite "~0.4.24"
+    unpipe "~1.0.0"
+
+router@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/router/-/router-2.2.0.tgz#019be620b711c87641167cc79b99090f00b146ef"
+  integrity sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==
+  dependencies:
+    debug "^4.4.0"
+    depd "^2.0.0"
+    is-promise "^4.0.0"
+    parseurl "^1.3.3"
+    path-to-regexp "^8.0.0"
+
+"safer-buffer@>= 2.1.2 < 3", "safer-buffer@>= 2.1.2 < 3.0.0":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
+send@^1.1.0, send@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/send/-/send-1.2.1.tgz#9eab743b874f3550f40a26867bf286ad60d3f3ed"
+  integrity sha512-1gnZf7DFcoIcajTjTwjwuDjzuz4PPcY2StKPlsGAQ1+YH20IRVrBaXSWmdjowTJ6u8Rc01PoYOGHXfP1mYcZNQ==
+  dependencies:
+    debug "^4.4.3"
+    encodeurl "^2.0.0"
+    escape-html "^1.0.3"
+    etag "^1.8.1"
+    fresh "^2.0.0"
+    http-errors "^2.0.1"
+    mime-types "^3.0.2"
+    ms "^2.1.3"
+    on-finished "^2.4.1"
+    range-parser "^1.2.1"
+    statuses "^2.0.2"
+
+serve-static@^2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-2.2.1.tgz#7f186a4a4e5f5b663ad7a4294ff1bf37cf0e98a9"
+  integrity sha512-xRXBn0pPqQTVQiC8wyQrKs2MOlX24zQ0POGaj0kultvoOCstBQM5yvOhAVSUwOMjQtTvsPWoNCHfPGwaaQJhTw==
+  dependencies:
+    encodeurl "^2.0.0"
+    escape-html "^1.0.3"
+    parseurl "^1.3.3"
+    send "^1.2.0"
+
+setprototypeof@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.2.0.tgz#66c9a24a73f9fc28cbe66b09fed3d33dcaf1b424"
+  integrity sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==
+
+side-channel-list@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/side-channel-list/-/side-channel-list-1.0.0.tgz#10cb5984263115d3b7a0e336591e290a830af8ad"
+  integrity sha512-FCLHtRD/gnpCiCHEiJLOwdmFP+wzCmDEkc9y7NsYxeF4u7Btsn1ZuwgwJGxImImHicJArLP4R0yX4c2KCrMrTA==
+  dependencies:
+    es-errors "^1.3.0"
+    object-inspect "^1.13.3"
+
+side-channel-map@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/side-channel-map/-/side-channel-map-1.0.1.tgz#d6bb6b37902c6fef5174e5f533fab4c732a26f42"
+  integrity sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA==
+  dependencies:
+    call-bound "^1.0.2"
+    es-errors "^1.3.0"
+    get-intrinsic "^1.2.5"
+    object-inspect "^1.13.3"
+
+side-channel-weakmap@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/side-channel-weakmap/-/side-channel-weakmap-1.0.2.tgz#11dda19d5368e40ce9ec2bdc1fb0ecbc0790ecea"
+  integrity sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A==
+  dependencies:
+    call-bound "^1.0.2"
+    es-errors "^1.3.0"
+    get-intrinsic "^1.2.5"
+    object-inspect "^1.13.3"
+    side-channel-map "^1.0.1"
+
+side-channel@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/side-channel/-/side-channel-1.1.0.tgz#c3fcff9c4da932784873335ec9765fa94ff66bc9"
+  integrity sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==
+  dependencies:
+    es-errors "^1.3.0"
+    object-inspect "^1.13.3"
+    side-channel-list "^1.0.0"
+    side-channel-map "^1.0.1"
+    side-channel-weakmap "^1.0.2"
+
+statuses@^2.0.1, statuses@^2.0.2, statuses@~2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-2.0.2.tgz#8f75eecef765b5e1cfcdc080da59409ed424e382"
+  integrity sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==
+
+toidentifier@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.1.tgz#3be34321a88a820ed1bd80dfaa33e479fbb8dd35"
+  integrity sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==
+
+type-is@^2.0.1, type-is@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-2.1.0.tgz#71d1a7053293582e16ac9f3ebaf1ab9aa49e5570"
+  integrity sha512-faYHw0anBbc/kWF3zFTEnxSFOAGUX9GFbOBthvDdLsIlEoWOFOtS0zgCiQYwIskL9iGXZL3kAXD8OoZ4GmMATA==
+  dependencies:
+    content-type "^2.0.0"
+    media-typer "^1.1.0"
+    mime-types "^3.0.0"
+
+type-is@~1.6.18:
+  version "1.6.18"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
+  integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.24"
+
+unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==
+
+vary@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==
diff --git a/test/env-transport.js b/test/env-transport.js
new file mode 100644
index 00000000..f45a3779
--- /dev/null
+++ b/test/env-transport.js
@@ -0,0 +1,31 @@
+'use strict'
+
+// The transport shim is plain CommonJS, so drive it directly.
+
+const { describe, it, before, after } = require('node:test')
+const assert = require('node:assert')
+
+const envTransport = require('../crates/capabilities/src/env_transport')
+
+describe('env_transport', () => {
+  const NAME = 'LIBDD_CAP_TEST_ENV_TRANSPORT'
+  let savedValue
+
+  before(() => {
+    savedValue = process.env[NAME]
+  })
+  after(() => {
+    if (savedValue === undefined) delete process.env[NAME]
+    else process.env[NAME] = savedValue
+  })
+
+  it('returns undefined for an unset var', () => {
+    delete process.env[NAME]
+    assert.strictEqual(envTransport.get(NAME), undefined)
+  })
+
+  it('returns the value when the var is set', () => {
+    process.env[NAME] = 'value1'
+    assert.strictEqual(envTransport.get(NAME), 'value1')
+  })
+})
diff --git a/test/filesystem.js b/test/filesystem.js
new file mode 100644
index 00000000..ec14bccd
--- /dev/null
+++ b/test/filesystem.js
@@ -0,0 +1,51 @@
+'use strict'
+
+// The shim is plain CommonJS, so drive it directly.
+
+const { describe, it, before, after } = require('node:test')
+const assert = require('node:assert')
+const fs = require('node:fs')
+const os = require('node:os')
+const path = require('node:path')
+
+const filesystem = require('../crates/capabilities/src/filesystem')
+
+describe('filesystem', () => {
+  let tmp
+  before(() => {
+    tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'libdd-file-'))
+  })
+  after(() => {
+    fs.rmSync(tmp, { recursive: true, force: true })
+  })
+
+  it('writes and reads a file round-trip', async () => {
+    const p = path.join(tmp, 'hello.bin')
+    await filesystem.writeFile(p, Buffer.from('hello'))
+    const got = await filesystem.readFile(p)
+    assert.strictEqual(Buffer.from(got).toString('utf8'), 'hello')
+  })
+
+  it('readFile on a missing path rejects with ENOENT', async () => {
+    const p = path.join(tmp, 'does-not-exist')
+    await assert.rejects(filesystem.readFile(p), error => error && error.code === 'ENOENT')
+  })
+
+  it('metadata reports size, kind, and a positive inode', async () => {
+    const p = path.join(tmp, 'meta.bin')
+    fs.writeFileSync(p, '0123456789')
+    const m = await filesystem.metadata(p)
+    assert.strictEqual(m.size, 10n)
+    assert.strictEqual(m.is_file, true)
+    assert.strictEqual(m.is_dir, false)
+    assert.ok(m.inode > 0n, `expected positive inode, got ${m.inode}`)
+  })
+
+  it('exists returns true for a present path and false for a missing one', async () => {
+    const present = path.join(tmp, 'here')
+    fs.writeFileSync(present, '')
+    const absent = path.join(tmp, 'gone')
+    assert.strictEqual(await filesystem.exists(present), true)
+    assert.strictEqual(await filesystem.exists(absent), false)
+  })
+})
diff --git a/test/http_transport.js b/test/http_transport.js
new file mode 100644
index 00000000..5a97a58a
--- /dev/null
+++ b/test/http_transport.js
@@ -0,0 +1,411 @@
+'use strict'
+
+// Unit tests for the response-header observer hook in the WASM HTTP transport
+// shim. The shim is plain CommonJS (no wasm needed), so we drive `httpRequest`
+// directly against a local HTTP server. `httpRequest` reads the request head
+// from a Uint8Array view over `wasm_memory.buffer`, so we hand it a fake memory
+// object containing a well-formed HTTP/1.1 request head.
+
+const { describe, it, before, after, beforeEach } = require('node:test')
+const assert = require('node:assert')
+const http = require('node:http')
+const os = require('node:os')
+const path = require('node:path')
+const fs = require('node:fs')
+
+const transport = require('../crates/capabilities/src/http_transport')
+
+// Distinctive, multi-byte body so the pooled-buffer slicing in httpRequest
+// (the reason for `new Uint8Array(body)` over `body.buffer`) is exercised:
+// a small Buffer.concat result lands at a non-zero offset in Node's shared pool.
+const RESPONSE_BODY = '{"rate_by_service":{"service:test,env:":0.5}}'
+
+function fakeWasmMemory (headBytes) {
+  const buf = new ArrayBuffer(headBytes.length)
+  new Uint8Array(buf).set(headBytes)
+  return { buffer: buf }
+}
+
+describe('http_transport response header observer', () => {
+  let server
+  let port
+
+  before(async () => {
+    server = http.createServer((req, res) => {
+      req.on('data', () => {})
+      req.on('end', () => {
+        res.setHeader('Datadog-Container-Tags-Hash', 'testhash123')
+        res.end(RESPONSE_BODY)
+      })
+    })
+    await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+    port = server.address().port
+  })
+
+  after(() => new Promise(resolve => server.close(resolve)))
+
+  beforeEach(() => {
+    transport.setResponseHeaderObserver(null)
+  })
+
+  function doRequest () {
+    const head = Buffer.from(
+      `POST /v0.4/traces HTTP/1.1\r\nHost: 127.0.0.1:${port}\r\n`
+      + 'Content-Length: 0\r\nConnection: close\r\n\r\n',
+      'utf8',
+    )
+    // head occupies [0, head.length); body is empty (offset 0, length 0).
+    // Empty socketPath -> TCP transport.
+    return transport.httpRequest('127.0.0.1', port, false, '', 0, head.length, 0, 0, fakeWasmMemory(head))
+  }
+
+  it('invokes the observer with the raw response headers', async () => {
+    let observed
+    transport.setResponseHeaderObserver((rawHeaders) => {
+      observed = rawHeaders
+    })
+
+    await doRequest()
+
+    assert.ok(Array.isArray(observed), 'observer received the raw headers array')
+    const idx = observed.findIndex(h => h.toLowerCase() === 'datadog-container-tags-hash')
+    assert.notStrictEqual(idx, -1, 'container-tags hash header present')
+    assert.strictEqual(observed[idx + 1], 'testhash123')
+  })
+
+  it('still delivers the response when the observer throws, logging the error', async () => {
+    transport.setResponseHeaderObserver(() => {
+      throw new Error('boom')
+    })
+
+    const originalWrite = process.stderr.write
+    let logged = ''
+    process.stderr.write = (chunk) => {
+      logged += chunk
+      return true
+    }
+    try {
+      const [status] = await doRequest()
+      assert.strictEqual(status, 200)
+    } finally {
+      process.stderr.write = originalWrite
+    }
+    assert.match(logged, /responseHeaderObserver error: boom/)
+  })
+
+  it('tolerates an observer throwing a non-Error value', async () => {
+    // Hardened logging reads only err.message, so a thrown string must not
+    // crash the transport (it logs `undefined` for the missing message).
+    transport.setResponseHeaderObserver(() => {
+      throw 'boom'
+    })
+
+    const originalWrite = process.stderr.write
+    let logged = ''
+    process.stderr.write = (chunk) => {
+      logged += chunk
+      return true
+    }
+    try {
+      const [status] = await doRequest()
+      assert.strictEqual(status, 200)
+    } finally {
+      process.stderr.write = originalWrite
+    }
+    assert.match(logged, /responseHeaderObserver error: undefined/)
+  })
+
+  it('works when no observer is registered', async () => {
+    const [status] = await doRequest()
+    assert.strictEqual(status, 200)
+  })
+
+  it('returns the exact response body bytes', async () => {
+    const [status, , body] = await doRequest()
+    assert.strictEqual(status, 200)
+    assert.ok(body instanceof Uint8Array, 'body is a Uint8Array')
+    // Must be exactly the agent's body — not whole-pool bytes or wrong length.
+    assert.strictEqual(body.length, Buffer.byteLength(RESPONSE_BODY))
+    assert.strictEqual(Buffer.from(body).toString('utf8'), RESPONSE_BODY)
+  })
+})
+
+// libdatadog derives the request host from the agent URI, which keeps the
+// brackets for an IPv6 literal (`[::1]`). Node's http.request treats `host` as a
+// name to resolve, so `[::1]` fails with ENOTFOUND; the transport must strip the
+// brackets. Verified by connecting to an IPv6 loopback server with a bracketed
+// host. Skipped where IPv6 loopback isn't available.
+describe('http_transport IPv6 host', () => {
+  let server
+  let port
+  let ipv6Available = true
+
+  before(async () => {
+    server = http.createServer((req, res) => {
+      req.on('data', () => {})
+      req.on('end', () => res.end(RESPONSE_BODY))
+    })
+    try {
+      await new Promise((resolve, reject) => {
+        server.once('error', reject)
+        server.listen(0, '::1', resolve)
+      })
+      port = server.address().port
+    } catch {
+      ipv6Available = false
+    }
+  })
+
+  after(() => new Promise(resolve => (server ? server.close(resolve) : resolve())))
+
+  it('strips brackets from an IPv6 host so http.request can connect', async function () {
+    if (!ipv6Available) return this.skip?.()
+    const head = Buffer.from(
+      `POST /v0.4/traces HTTP/1.1\r\nHost: [::1]:${port}\r\n`
+      + 'Content-Length: 0\r\nConnection: close\r\n\r\n',
+      'utf8',
+    )
+    // Bracketed IPv6 host, exactly as libdatadog passes it from the agent URI.
+    const [status] = await transport.httpRequest('[::1]', port, false, '', 0, head.length, 0, 0, fakeWasmMemory(head))
+    assert.strictEqual(status, 200)
+  })
+})
+
+// The transport must NOT require instrumentable builtins (node:http/https/fs) at
+// module load: it is loaded during the tracer's own init, before user code, so
+// an eager require makes dd-trace wrap the builtin in place and leaks
+// instrumentation into a user app that imports it afterwards (breaks the
+// dd-trace-js init/guardrail expectations). They must be required lazily, inside
+// the functions that use them.
+describe('http_transport lazy builtin requires', () => {
+  it('does not require node:http/https/fs at module load', () => {
+    const Module = require('node:module')
+    const modPath = require.resolve('../crates/capabilities/src/http_transport')
+    const orig = Module.prototype.require
+    const seen = []
+    Module.prototype.require = function (id) {
+      seen.push(id)
+      return Reflect.apply(orig, this, arguments)
+    }
+    try {
+      delete require.cache[modPath]
+      require(modPath)
+    } finally {
+      Module.prototype.require = orig
+      delete require.cache[modPath]
+    }
+    for (const builtin of ['node:http', 'node:https', 'node:fs', 'http', 'https', 'fs']) {
+      assert.ok(!seen.includes(builtin), `${builtin} must not be required at module load`)
+    }
+  })
+})
+
+// Unix-domain-socket transport: a non-empty socketPath must route the request
+// over the socket instead of TCP. Skipped on Windows (no AF_UNIX path here).
+describe('http_transport unix socket', { skip: process.platform === 'win32' }, () => {
+  let server
+  let socketPath
+
+  before(async () => {
+    socketPath = path.join(os.tmpdir(), `libdd-uds-test-${process.pid}-${Date.now()}.sock`)
+    try {
+      fs.unlinkSync(socketPath)
+    } catch { /* unlink is best-effort */ }
+    server = http.createServer((req, res) => {
+      req.on('data', () => {})
+      req.on('end', () => {
+        res.end(RESPONSE_BODY)
+      })
+    })
+    await new Promise(resolve => server.listen(socketPath, resolve))
+  })
+
+  after(() => new Promise(resolve => server.close(() => {
+    try {
+      fs.unlinkSync(socketPath)
+    } catch { /* unlink is best-effort */ }
+    resolve()
+  })))
+
+  it('delivers the request over a unix socket and returns the response', async () => {
+    const head = Buffer.from(
+      'POST /v0.4/traces HTTP/1.1\r\nHost: localhost\r\n'
+      + 'Content-Length: 0\r\nConnection: close\r\n\r\n',
+      'utf8',
+    )
+    // host/port empty/0; socketPath drives the connection.
+    const [status, , body] = await transport.httpRequest(
+      '', 0, false, socketPath, 0, head.length, 0, 0, fakeWasmMemory(head),
+    )
+    assert.strictEqual(status, 200)
+    assert.strictEqual(Buffer.from(body).toString('utf8'), RESPONSE_BODY)
+  })
+})
+
+// Entity-header injection: container-id / entity-id / external-env detection
+// (Node reads /proc + env; libdatadog's own detection is inert on wasm) and the
+// rewrite of the Rust-rendered request head that carries them.
+const { detectEntityHeaders, applyEntityHeaders } = transport
+
+const DOCKER_CGROUP = '12:memory:/docker/3726184226f5d3147c25fdeab5b60097e378e8a720503a5e19ecfdf29f869860'
+const DOCKER_ID = '3726184226f5d3147c25fdeab5b60097e378e8a720503a5e19ecfdf29f869860'
+
+function writeTmpCgroup (contents) {
+  const p = path.join(os.tmpdir(), `ldn-cgroup-${process.pid}-${Math.random().toString(36).slice(2)}`)
+  fs.writeFileSync(p, contents)
+  return p
+}
+
+function headBytes (lines) {
+  return Buffer.from(lines.join('\r\n') + '\r\n\r\n', 'latin1')
+}
+
+describe('http_transport entity headers', () => {
+  describe('detectEntityHeaders', () => {
+    it('extracts a docker container-id and derives ci-<id> entity-id', () => {
+      const cgroupPath = writeTmpCgroup(DOCKER_CGROUP)
+      try {
+        const h = detectEntityHeaders({ cgroupPath, cgroupMount: '/nonexistent', externalEnv: undefined })
+        assert.strictEqual(h['datadog-container-id'], DOCKER_ID)
+        assert.strictEqual(h['datadog-entity-id'], `ci-${DOCKER_ID}`)
+        assert.strictEqual('datadog-external-env' in h, false)
+      } finally {
+        fs.rmSync(cgroupPath, { force: true })
+      }
+    })
+
+    it('falls back to in-<inode> entity-id when no container-id is present', () => {
+      const cgroupPath = writeTmpCgroup('0::/')
+      try {
+        const h = detectEntityHeaders({ cgroupPath, cgroupMount: os.tmpdir(), externalEnv: undefined })
+        assert.strictEqual('datadog-container-id' in h, false)
+        assert.match(h['datadog-entity-id'], /^in-\d+$/)
+      } finally {
+        fs.rmSync(cgroupPath, { force: true })
+      }
+    })
+
+    it('emits datadog-external-env from the provided value', () => {
+      const h = detectEntityHeaders({ cgroupPath: '/nonexistent', cgroupMount: '/nonexistent', externalEnv: 'it-false,cn-svc,pu-x' })
+      assert.strictEqual(h['datadog-external-env'], 'it-false,cn-svc,pu-x')
+    })
+
+    it('emits nothing without cgroup, mount, or external-env', () => {
+      const h = detectEntityHeaders({ cgroupPath: '/nonexistent', cgroupMount: '/nonexistent', externalEnv: undefined })
+      assert.deepStrictEqual(h, {})
+    })
+
+    it('rejects an external-env containing CR/LF (header-injection guard)', () => {
+      const h = detectEntityHeaders({
+        cgroupPath: '/nonexistent',
+        cgroupMount: '/nonexistent',
+        externalEnv: 'ok\r\nx-evil: 1',
+      })
+      assert.strictEqual('datadog-external-env' in h, false)
+    })
+  })
+
+  describe('applyEntityHeaders (head rewrite)', () => {
+    const entity = {
+      'datadog-container-id': DOCKER_ID,
+      'datadog-entity-id': `ci-${DOCKER_ID}`,
+      'datadog-external-env': 'it-false,cn-svc,pu-x',
+    }
+
+    it('appends entity headers and preserves the request line + framing headers', () => {
+      const head = headBytes([
+        'POST /v0.4/traces HTTP/1.1',
+        'Host: localhost:8126',
+        'Content-Length: 42',
+        'datadog-meta-lang: nodejs',
+      ])
+      const out = applyEntityHeaders(head, entity).toString('latin1')
+      const lines = out.split('\r\n')
+      assert.strictEqual(lines[0], 'POST /v0.4/traces HTTP/1.1')
+      assert.ok(lines.includes('Host: localhost:8126'))
+      assert.ok(lines.includes('Content-Length: 42'))
+      assert.ok(lines.includes('datadog-meta-lang: nodejs'))
+      assert.ok(lines.includes(`datadog-container-id: ${DOCKER_ID}`))
+      assert.ok(lines.includes(`datadog-entity-id: ci-${DOCKER_ID}`))
+      assert.ok(lines.includes('datadog-external-env: it-false,cn-svc,pu-x'))
+      assert.ok(out.endsWith('\r\n\r\n'))
+    })
+
+    it('replaces libdatadog\'s empty datadog-container-id instead of duplicating it', () => {
+      const head = headBytes([
+        'POST /v0.4/traces HTTP/1.1',
+        'Host: localhost',
+        'Content-Length: 0',
+        'datadog-container-id: ',
+      ])
+      const out = applyEntityHeaders(head, entity).toString('latin1')
+      const count = out.split('\r\n').filter(l => l.toLowerCase().startsWith('datadog-container-id:')).length
+      assert.strictEqual(count, 1)
+      assert.ok(out.includes(`datadog-container-id: ${DOCKER_ID}`))
+    })
+
+    it('returns the head unchanged when no entity headers are detected', () => {
+      const head = headBytes(['POST / HTTP/1.1', 'Host: x', 'Content-Length: 0'])
+      const out = applyEntityHeaders(head, {})
+      assert.deepStrictEqual(out, Buffer.from(head))
+    })
+
+    it('leaves a malformed head (no terminator) untouched', () => {
+      const bad = Buffer.from('POST / HTTP/1.1\r\nHost: x', 'latin1')
+      const out = applyEntityHeaders(bad, entity)
+      assert.deepStrictEqual(out, Buffer.from(bad))
+    })
+  })
+
+  describe('httpRequest end-to-end (real transport)', () => {
+    let server
+    let port
+    let received
+    const prevExternalEnv = process.env.DD_EXTERNAL_ENV
+
+    before(async () => {
+      // Set the env then clear the memoized detection so this request re-reads
+      // it (earlier tests may have already populated the cache).
+      process.env.DD_EXTERNAL_ENV = 'it-false,cn-e2e,pu-1'
+      transport._resetEntityHeadersCache()
+      server = http.createServer((req, res) => {
+        received = req.headers
+        res.writeHead(200, { 'content-type': 'application/json' })
+        res.end('{}')
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      port = server.address().port
+    })
+
+    after(() => new Promise(resolve => server.close(() => {
+      if (prevExternalEnv === undefined) delete process.env.DD_EXTERNAL_ENV
+      else process.env.DD_EXTERNAL_ENV = prevExternalEnv
+      transport._resetEntityHeadersCache()
+      resolve()
+    })))
+
+    it('sends the detected entity headers on the wire (via the Rust-rendered head)', async () => {
+      const body = Buffer.from('[]', 'latin1')
+      const head = Buffer.from(
+        `POST /v0.4/traces HTTP/1.1\r\nHost: 127.0.0.1:${port}\r\nContent-Length: ${body.length}\r\n`
+        + 'datadog-meta-lang: nodejs\r\ndatadog-container-id: \r\n\r\n',
+        'latin1',
+      )
+      const mem = new ArrayBuffer(head.length + body.length)
+      const view = new Uint8Array(mem)
+      view.set(head, 0)
+      view.set(body, head.length)
+
+      const [status] = await transport.httpRequest(
+        '127.0.0.1', port, false, '', 0, head.length, head.length, body.length, { buffer: mem },
+      )
+      assert.strictEqual(status, 200)
+      assert.strictEqual(received['datadog-meta-lang'], 'nodejs')
+      assert.strictEqual(received['datadog-external-env'], 'it-false,cn-e2e,pu-1')
+      const detected = detectEntityHeaders()
+      if (detected['datadog-container-id']) {
+        assert.strictEqual(received['datadog-container-id'], detected['datadog-container-id'])
+      }
+    })
+  })
+})
diff --git a/test/pipeline.js b/test/pipeline.js
index a9de0606..bd4c8977 100644
--- a/test/pipeline.js
+++ b/test/pipeline.js
@@ -1,10 +1,1290 @@
 'use strict'
 
+const { describe, it, before, beforeEach } = require('node:test')
+const assert = require('node:assert')
+const crypto = require('node:crypto')
+
 const pipeline = require('..').maybeLoad('pipeline')
+// The pipeline binding is wasm-only and is absent in the native
+// (action-prebuildify) test matrix, where `maybeLoad` returns undefined. Skip
+// the suite there instead of crashing on the destructure below; the pipeline
+// wasm is built and these tests run for real in the `build-test-wasm` job.
+const skip = pipeline === undefined
+const { WasmSpanState } = pipeline ?? {}
+const OpCode = pipeline ? pipeline.getOpCodes() : {}
+const wasmMemory = pipeline ? pipeline.getWasmMemory() : undefined
+
+function getRandomBytes (byteCount) {
+  return new Uint8Array(crypto.randomBytes(byteCount))
+}
+
+function bytesToBigInt (bytes) {
+  let val = 0n
+  for (const byte of bytes) {
+    val = (val << 8n) | BigInt(byte)
+  }
+  return val
+}
+
+// The Span and NativeSpansInterface classes act as a sketch of what should
+// be implemented in dd-trace-js.
+
+// TODO should NativeSpansInterface actually be implemented in this package?
+
+class Span {
+  constructor (nativeSpans, traceId, parentId) {
+    this.nativeSpans = nativeSpans
+    this.traceId = traceId || [getRandomBytes(8), getRandomBytes(8)]
+    this.parentId = parentId || new Uint8Array(8)
+    this.spanId = getRandomBytes(8)
+    // Spans are addressed by their span_id (u64). Operations carry the raw
+    // 8-byte id in their header; getters take the numeric id as a BigInt.
+    this.spanIdBig = bytesToBigInt(this.spanId)
+    // Trace-level attributes live on a Segment (a local trace chunk). JS owns
+    // segment_id allocation and shares it across spans in the same trace.
+    this.segmentId = nativeSpans.allocSegment(this.traceId)
+    this._startTime = BigInt(Date.now()) * 1_000_000n
+
+    this.nativeSpans.queueOp(OpCode.Create, this.spanId, ['u128', this.traceId], ['u64n', this.segmentId], ['u64', this.parentId])
+    this.nativeSpans.queueOp(OpCode.SetStart, this.spanId, ['i64', this._startTime])
+  }
+
+  setTag (key, value) {
+    if (typeof value === 'number') {
+      this.nativeSpans.queueOp(OpCode.SetMetricAttr, this.spanId, key, ['f64', value])
+    } else {
+      this.nativeSpans.queueOp(OpCode.SetMetaAttr, this.spanId, key, value)
+    }
+    return this
+  }
+
+  getTag (key) {
+    return this.nativeSpans.state.getMetaAttr(this.spanIdBig, key)
+      ?? this.nativeSpans.state.getMetricAttr(this.spanIdBig, key)
+  }
+
+  setTraceTag (key, value) {
+    const opcode = OpCode[typeof value === 'number' ? 'SetTraceMetricsAttr' : 'SetTraceMetaAttr']
+    if (typeof value === 'number') {
+      value = ['f64', value]
+    }
+    this.nativeSpans.queueOp(opcode, this.spanId, key, value)
+    return this
+  }
+
+  getTraceTag (key) {
+    return this.nativeSpans.state.getTraceMetaAttr(this.segmentId, key)
+      ?? this.nativeSpans.state.getTraceMetricAttr(this.segmentId, key)
+  }
+
+  setTraceOrigin (origin) {
+    this.nativeSpans.queueOp(OpCode.SetTraceOrigin, this.spanId, origin)
+    return this
+  }
+
+  getTraceOrigin () {
+    return this.nativeSpans.state.getTraceOrigin(this.segmentId)
+  }
+
+  setMetaStruct (key, bytes) {
+    this.nativeSpans.state.setMetaStruct(this.spanIdBig, key, bytes)
+    return this
+  }
+
+  getMetaStruct (key) {
+    return this.nativeSpans.state.getMetaStruct(this.spanIdBig, key)
+  }
+
+  addSpanEvent (name, timeUnixNano, attributes = {}) {
+    this.nativeSpans.state.addSpanEvent(
+      this.spanIdBig,
+      name,
+      BigInt(timeUnixNano),
+      encodeSpanEventAttrs(attributes),
+    )
+    return this
+  }
 
-if (pipeline) {
-  pipeline.init_trace_exporter("127.0.0.1", 8126, 10000, "1.0", "nodejs", "18.0", "v8")
+  getSpanEvents () {
+    return JSON.parse(this.nativeSpans.state.getSpanEventsJson(this.spanIdBig))
+  }
 
-  let ret = pipeline.send_traces(Buffer.alloc(1), 1)
-  console.log(ret)
+  finish () {
+    this.duration = BigInt(Date.now()) * 1_000_000n - this._startTime
+    return this
+  }
 }
+
+const spanAccessors = {
+  // [getterName, opCode, valueType (null for string)]
+  name: ['getName', 'SetName', null],
+  service: ['getServiceName', 'SetServiceName', null],
+  resource: ['getResourceName', 'SetResourceName', null],
+  type: ['getType', 'SetType', null],
+  error: ['getError', 'SetError', 'i32'],
+  start: ['getStart', null, null],
+  duration: ['getDuration', 'SetDuration', 'i64'],
+}
+
+for (const [prop, [getter, setter, valueType]] of Object.entries(spanAccessors)) {
+  Object.defineProperty(Span.prototype, prop, {
+    get () {
+      return this.nativeSpans.state[getter](this.spanIdBig)
+    },
+    set (val) {
+      val = valueType ? [valueType, val] : val
+      this.nativeSpans.queueOp(OpCode[setter], this.spanId, val)
+    },
+  })
+}
+
+const CHANGE_QUEUE_SIZE = 64 * 1024
+const STRING_TABLE_INPUT_SIZE = 10 * 1024
+
+class NativeSpansInterface {
+  constructor (options = {}) {
+    this.flushBuffer = Buffer.alloc(10 * 1024)
+
+    this.cqbIndex = 8 // Start at 8 since first u64 is count
+    this.cqbCount = 0
+    this.stibCount = 0
+    this.segmentCount = 0 // Monotonic segment_id allocator
+    this.segmentByTrace = new Map() // trace key -> segment_id (BigInt)
+    this.stringMap = new Map()
+
+    this.state = new WasmSpanState(
+      options.agentUrl || process.env.AGENT_URL || 'http://127.0.0.1:8126',
+      options.tracerVersion || '1.0.0',
+      options.lang || 'nodejs',
+      options.langVersion || process.version,
+      options.langInterpreter || 'v8',
+      CHANGE_QUEUE_SIZE,
+      STRING_TABLE_INPUT_SIZE,
+      options.pid ?? process.pid,
+      options.tracerService || 'test-service',
+      options.statsEnabled ?? false,
+      options.hostname || 'test-host',
+      options.env || 'test-env',
+      options.appVersion || '1.0.0',
+      options.runtimeId || '00000000-0000-0000-0000-000000000000',
+      options.clientComputedStats ?? false,
+    )
+
+    // Get pointers into WASM memory for direct buffer access
+    this._wasmMemory = wasmMemory
+    this._cqbPtr = this.state.change_queue_ptr()
+    this._refreshViews()
+  }
+
+  _refreshViews () {
+    this._cqbView = new DataView(this._wasmMemory.buffer, this._cqbPtr)
+    this._cqbBytes = new Uint8Array(this._wasmMemory.buffer, this._cqbPtr)
+  }
+
+  // Any Rust call can trigger a WASM memory.grow(), which detaches the
+  // JS-side ArrayBuffer. Callers must invoke this before every read/write to
+  // the shared buffers when a Rust call may have happened since the last check.
+  _ensureViews () {
+    if (this._wasmMemory.buffer !== this._cqbView.buffer) {
+      this._refreshViews()
+    }
+  }
+
+  resetChangeQueue () {
+    this.cqbIndex = 8
+    this.cqbCount = 0
+    this._ensureViews()
+    this._cqbView.setUint32(0, 0, true)
+    this._cqbView.setUint32(4, 0, true)
+  }
+
+  flushChangeQueue () {
+    this.state.flushChangeQueue()
+    this.resetChangeQueue()
+  }
+
+  getStringId (str) {
+    let id = this.stringMap.get(str)
+    if (typeof id === 'number') return id
+
+    id = this.stibCount++
+    this.stringMap.set(str, id)
+    this.state.stringTableInsertOne(id, str)
+    return id
+  }
+
+  // Write 8 big-endian bytes as a little-endian u64 into the change buffer
+  _writeBytesLE (bytes, offset) {
+    const buf = this._cqbBytes
+    for (let i = 0; i < 8; i++) {
+      buf[offset + i] = bytes[7 - i]
+    }
+  }
+
+  // Allocate (or reuse) a segment_id for a given trace. Spans sharing a trace
+  // share a segment so trace-level attributes are visible across them.
+  allocSegment (traceId) {
+    const key = traceId.map(b => Buffer.from(b).toString('hex')).join('')
+    let id = this.segmentByTrace.get(key)
+    if (id === undefined) {
+      id = BigInt(this.segmentCount++)
+      this.segmentByTrace.set(key, id)
+    }
+    return id
+  }
+
+  queueOp (op, spanId, ...args) {
+    this._ensureViews()
+
+    // Check if Rust flushed the queue (wrote 0 to count position)
+    if (this._cqbView.getUint32(0, true) === 0 && this.cqbCount > 0) {
+      this.cqbIndex = 8
+      this.cqbCount = 0
+    }
+
+    // Op header: opcode (u16 LE) + span_id (u64 LE) = 10 bytes. Rust reads the
+    // opcode as a u16, then the span_id as a u64.
+    this._cqbView.setUint16(this.cqbIndex, op, true)
+    this.cqbIndex += 2
+    this._writeBytesLE(spanId, this.cqbIndex)
+    this.cqbIndex += 8
+
+    for (const arg of args) {
+      if (typeof arg === 'string') {
+        // getStringId may call into Rust (stringTableInsertOne), which can
+        // grow WASM memory and detach our views. Re-check after the call.
+        const stringId = this.getStringId(arg)
+        this._ensureViews()
+        this._cqbView.setUint32(this.cqbIndex, stringId, true)
+        this.cqbIndex += 4
+      } else {
+        const [typ, num] = arg
+        switch (typ) {
+          case 'u64': {
+            this._writeBytesLE(num, this.cqbIndex)
+            this.cqbIndex += 8
+            break
+          }
+          case 'u64n': {
+            this._cqbView.setBigUint64(this.cqbIndex, BigInt(num), true)
+            this.cqbIndex += 8
+            break
+          }
+          case 'u32n': { // raw, pre-resolved string-table id
+            this._cqbView.setUint32(this.cqbIndex, num, true)
+            this.cqbIndex += 4
+            break
+          }
+          case 'u128': {
+            this._writeBytesLE(num[0], this.cqbIndex)
+            this.cqbIndex += 8
+            this._writeBytesLE(num[1], this.cqbIndex)
+            this.cqbIndex += 8
+            break
+          }
+          case 'i64': {
+            this._cqbView.setBigInt64(this.cqbIndex, num, true)
+            this.cqbIndex += 8
+            break
+          }
+          case 'i32': {
+            this._cqbView.setInt32(this.cqbIndex, num, true)
+            this.cqbIndex += 4
+            break
+          }
+          case 'f64': {
+            this._cqbView.setFloat64(this.cqbIndex, num, true)
+            this.cqbIndex += 8
+            break
+          }
+          default: {
+            throw new Error('unsupported number type: ' + typ)
+          }
+        }
+      }
+    }
+
+    this.cqbCount++
+    this._cqbView.setBigUint64(0, BigInt(this.cqbCount), true)
+  }
+
+  createSpan (traceId, parentId) {
+    return new Span(this, traceId, parentId)
+  }
+
+  async flushSpans (...spans) {
+    this.flushBuffer.fill(0) // TODO is this necessary, since we're sending the length?
+    let index = 0
+    for (const span of spans) {
+      // The chunk buffer carries u64 span IDs (8 bytes LE each).
+      const spanId = span.spanId ?? span
+      for (let i = 0; i < 8; i++) {
+        this.flushBuffer[index + i] = spanId[7 - i]
+      }
+      index += 8
+    }
+    const hasSpans = this.state.prepareChunk(spans.length, true, this.flushBuffer)
+    if (!hasSpans) return false
+    return this.state.sendPreparedChunk()
+  }
+}
+
+// Build the flat span-event attribute buffer consumed by the Rust decoder
+// (`decode_span_event_attributes` in crates/pipeline/src/lib.rs). This mirrors
+// what dd-trace-js's `addSpanEvent` wrapper produces. Tags: String=0,
+// Boolean=1, Integer=2, Double=3, Array=4 (matching libdatadog's
+// AttributeArrayValue discriminants).
+function encodeSpanEventAttrs (attributes) {
+  const enc = new TextEncoder()
+  const chunks = []
+  const u32 = (n) => {
+    const b = Buffer.alloc(4)
+    b.writeUInt32LE(n >>> 0, 0)
+    return b
+  }
+  const i64 = (n) => {
+    const b = Buffer.alloc(8)
+    b.writeBigInt64LE(BigInt(n), 0)
+    return b
+  }
+  const f64 = (n) => {
+    const b = Buffer.alloc(8)
+    b.writeDoubleLE(n, 0)
+    return b
+  }
+  const str = (s) => {
+    const sb = Buffer.from(enc.encode(s))
+    return Buffer.concat([u32(sb.length), sb])
+  }
+  // Returns `[tag][value]` — used both for single values and array items.
+  const scalar = (v) => {
+    if (typeof v === 'string') return Buffer.concat([Buffer.from([0]), str(v)])
+    if (typeof v === 'boolean') return Buffer.concat([Buffer.from([1]), Buffer.from([v ? 1 : 0])])
+    if (typeof v === 'number') {
+      return Number.isInteger(v)
+        ? Buffer.concat([Buffer.from([2]), i64(v)])
+        : Buffer.concat([Buffer.from([3]), f64(v)])
+    }
+    throw new TypeError(`unsupported span-event attribute value: ${typeof v}`)
+  }
+  for (const [key, value] of Object.entries(attributes)) {
+    chunks.push(str(key))
+    if (Array.isArray(value)) {
+      chunks.push(Buffer.from([4]), u32(value.length))
+      for (const item of value) chunks.push(scalar(item))
+    } else {
+      chunks.push(scalar(value))
+    }
+  }
+  return new Uint8Array(Buffer.concat(chunks))
+}
+
+// Read just the length of the outer msgpack array (the v0.4 trace payload is an
+// array of trace chunks). Enough to assert how many separate traces were sent.
+function msgpackOuterArrayLen (buf) {
+  const b = buf[0]
+  if (b >= 0x90 && b <= 0x9F) return b & 0x0F // fixarray
+  if (b === 0xDC) return buf.readUInt16BE(1) // array16
+  if (b === 0xDD) return buf.readUInt32BE(1) // array32
+  throw new Error('payload is not a msgpack array: 0x' + b.toString(16))
+}
+
+describe('pipeline', { skip }, () => {
+  let nativeSpans
+
+  before(() => {
+    nativeSpans = new NativeSpansInterface()
+  })
+
+  beforeEach(() => {
+    nativeSpans.resetChangeQueue()
+  })
+
+  describe('module exports', () => {
+    it('should export WasmSpanState', () => {
+      assert(WasmSpanState)
+    })
+
+    it('should export OpCode', () => {
+      assert(OpCode)
+    })
+
+    it('should export all OpCodes', () => {
+      const expectedOpCodes = [
+        'Create', 'SetMetaAttr', 'SetMetricAttr', 'SetServiceName',
+        'SetResourceName', 'SetError', 'SetStart', 'SetDuration',
+        'SetType', 'SetName', 'SetTraceMetaAttr', 'SetTraceMetricsAttr',
+        'SetTraceOrigin',
+      ]
+      for (const opCode of expectedOpCodes) {
+        assert.strictEqual(typeof OpCode[opCode], 'number')
+      }
+    })
+  })
+
+  describe('WasmSpanState', () => {
+    it('should create an instance', () => {
+      assert(nativeSpans.state instanceof WasmSpanState)
+    })
+  })
+
+  describe('span creation', () => {
+    it('should create a span with basic attributes', () => {
+      const span = nativeSpans.createSpan()
+      span.name = 'test-span'
+      span.service = 'test-service'
+      span.resource = '/api/test'
+      span.type = 'web'
+      span.error = 0
+
+      assert.strictEqual(span.name, 'test-span')
+      assert.strictEqual(span.service, 'test-service')
+      assert.strictEqual(span.resource, '/api/test')
+      assert.strictEqual(span.type, 'web')
+      assert.strictEqual(span.error, 0)
+    })
+
+    it('should create a child span with parent', () => {
+      const parent = nativeSpans.createSpan()
+      parent.name = 'parent-span'
+
+      const child = nativeSpans.createSpan(parent.traceId, parent.spanId)
+      child.name = 'child-span'
+
+      assert.strictEqual(child.name, 'child-span')
+    })
+  })
+
+  describe('span attributes', () => {
+    it('should set and get string tags', () => {
+      const span = nativeSpans.createSpan()
+      span.setTag('http.method', 'GET')
+      span.setTag('http.url', 'http://example.com/api')
+
+      assert.strictEqual(span.getTag('http.method'), 'GET')
+      assert.strictEqual(span.getTag('http.url'), 'http://example.com/api')
+    })
+
+    it('should set and get numeric tags', () => {
+      const span = nativeSpans.createSpan()
+      span.setTag('http.status_code', 200)
+      span.setTag('custom.metric', 3.141_59)
+
+      assert.strictEqual(span.getTag('http.status_code'), 200)
+      assert.strictEqual(span.getTag('custom.metric'), 3.141_59)
+    })
+
+    it('should set and get error state', () => {
+      const span = nativeSpans.createSpan()
+      span.error = 0
+      assert.strictEqual(span.error, 0)
+
+      span.error = 1
+      assert.strictEqual(span.error, 1)
+    })
+  })
+
+  describe('meta_struct', () => {
+    it('round-trips raw bytes by key', () => {
+      const span = nativeSpans.createSpan()
+      const value = new Uint8Array([0x82, 0xA1, 0x61, 0x01, 0xA1, 0x62, 0x02])
+      span.setMetaStruct('appsec', value)
+
+      assert.deepStrictEqual(span.getMetaStruct('appsec'), value)
+    })
+
+    it('returns null for an unset meta_struct key', () => {
+      const span = nativeSpans.createSpan()
+      assert.strictEqual(span.getMetaStruct('missing'), null)
+    })
+
+    it('overwrites an existing key on repeated set', () => {
+      const span = nativeSpans.createSpan()
+      span.setMetaStruct('k', new Uint8Array([1, 2, 3]))
+      span.setMetaStruct('k', new Uint8Array([9]))
+
+      assert.deepStrictEqual(span.getMetaStruct('k'), new Uint8Array([9]))
+    })
+  })
+
+  describe('span_events', () => {
+    it('appends an event with no attributes', () => {
+      const span = nativeSpans.createSpan()
+      span.addSpanEvent('exception', 1_727_211_691_770_716_000n)
+
+      const events = span.getSpanEvents()
+      assert.strictEqual(events.length, 1)
+      assert.strictEqual(events[0].name, 'exception')
+      assert.strictEqual(events[0].time_unix_nano, 1_727_211_691_770_716_000)
+      // Empty attributes are skipped by libdatadog's serializer.
+      assert.strictEqual(events[0].attributes, undefined)
+    })
+
+    it('round-trips scalar attributes of every type with correct type tags', () => {
+      const span = nativeSpans.createSpan()
+      span.addSpanEvent('evt', 1000n, {
+        s: 'hello',
+        b: true,
+        i: 42,
+        d: 3.5,
+      })
+
+      const [event] = span.getSpanEvents()
+      assert.strictEqual(event.name, 'evt')
+      assert.strictEqual(event.time_unix_nano, 1000)
+      // type tags: String=0, Boolean=1, Integer=2, Double=3
+      assert.deepStrictEqual(event.attributes.s, { type: 0, string_value: 'hello' })
+      assert.deepStrictEqual(event.attributes.b, { type: 1, bool_value: true })
+      assert.deepStrictEqual(event.attributes.i, { type: 2, int_value: 42 })
+      assert.deepStrictEqual(event.attributes.d, { type: 3, double_value: 3.5 })
+    })
+
+    it('round-trips an array attribute (type 4) with typed items', () => {
+      const span = nativeSpans.createSpan()
+      span.addSpanEvent('evt', 1n, { tags: ['a', 'b'], nums: [1, 2, 3] })
+
+      const [event] = span.getSpanEvents()
+      assert.deepStrictEqual(event.attributes.tags, {
+        type: 4,
+        array_value: { values: [{ type: 0, string_value: 'a' }, { type: 0, string_value: 'b' }] },
+      })
+      assert.deepStrictEqual(event.attributes.nums, {
+        type: 4,
+        array_value: { values: [{ type: 2, int_value: 1 }, { type: 2, int_value: 2 }, { type: 2, int_value: 3 }] },
+      })
+    })
+
+    it('appends multiple events in order', () => {
+      const span = nativeSpans.createSpan()
+      span.addSpanEvent('first', 1n)
+      span.addSpanEvent('second', 2n, { k: 'v' })
+
+      const events = span.getSpanEvents()
+      assert.strictEqual(events.length, 2)
+      assert.strictEqual(events[0].name, 'first')
+      assert.strictEqual(events[1].name, 'second')
+      assert.deepStrictEqual(events[1].attributes.k, { type: 0, string_value: 'v' })
+    })
+
+    it('returns an empty array for a span with no events', () => {
+      const span = nativeSpans.createSpan()
+      assert.deepStrictEqual(span.getSpanEvents(), [])
+    })
+
+    it('rejects a truncated attribute buffer instead of panicking', () => {
+      const span = nativeSpans.createSpan()
+      // key_len=5 but no key bytes follow → bounded read must error.
+      const bad = new Uint8Array([5, 0, 0, 0])
+      assert.throws(
+        () => span.nativeSpans.state.addSpanEvent(span.spanIdBig, 'evt', 1n, bad),
+        /truncated span-event attribute buffer/,
+      )
+    })
+
+    it('rejects an overflowing key_len without trapping (wasm32 usize)', () => {
+      const span = nativeSpans.createSpan()
+      // key_len = 0xFFFFFFFF: on wasm32 `idx + key_len` would wrap and slip
+      // past the bound, trapping on the slice. The remaining-byte form must
+      // reject it as a truncated buffer instead.
+      const bad = new Uint8Array([0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00])
+      assert.throws(
+        () => span.nativeSpans.state.addSpanEvent(span.spanIdBig, 'evt', 1n, bad),
+        /truncated span-event attribute buffer/,
+      )
+    })
+  })
+
+  describe('span timing', () => {
+    it('should set and get start time', () => {
+      const span = nativeSpans.createSpan()
+      assert(span.start > 0n) // populated from the constructor's SetStart (BigInt ns)
+
+      // Verify an exact round-trip. getStart returns an f64, so real ns
+      // timestamps (> 2^53) can't be checked to the nanosecond; use a small,
+      // exactly-representable value so an off-by-one would actually be caught.
+      nativeSpans.queueOp(OpCode.SetStart, span.spanId, ['i64', 12_345n])
+      assert.strictEqual(span.start, 12_345n)
+    })
+
+    it('should set and get duration', () => {
+      const duration = 1_000_000n
+      const span = nativeSpans.createSpan()
+      span.duration = duration
+      // getDuration returns i64 nanoseconds as a BigInt (no f64 truncation).
+      assert.strictEqual(span.duration, duration)
+    })
+  })
+
+  describe('trace-level attributes', () => {
+    it('should set and get trace string tags', () => {
+      const span = nativeSpans.createSpan()
+      span.setTraceTag('_dd.p.dm', '-0')
+      assert.strictEqual(span.getTraceTag('_dd.p.dm'), '-0')
+    })
+
+    it('should set and get trace numeric tags', () => {
+      const span = nativeSpans.createSpan()
+      span.setTraceTag('_sampling_priority_v1', 1)
+      assert.strictEqual(span.getTraceTag('_sampling_priority_v1'), 1)
+    })
+
+    it('should set and get trace origin', () => {
+      const span = nativeSpans.createSpan()
+      span.setTraceOrigin('synthetics')
+      assert.strictEqual(span.getTraceOrigin(), 'synthetics')
+    })
+
+    it('should share trace attributes across spans in same trace', () => {
+      const parent = nativeSpans.createSpan()
+      parent.setTraceTag('shared_key', 'shared_value')
+      parent.setTraceTag('shared_metric', 42)
+      parent.setTraceOrigin('lambda')
+
+      const child = nativeSpans.createSpan(parent.traceId, parent.spanId)
+
+      assert.strictEqual(child.getTraceTag('shared_key'), 'shared_value')
+      assert.strictEqual(child.getTraceTag('shared_metric'), 42)
+      assert.strictEqual(child.getTraceOrigin(), 'lambda')
+    })
+
+    it('should isolate trace attributes across different traces', () => {
+      const a = nativeSpans.createSpan()
+      a.setTraceTag('iso_key', 'a_value')
+      a.setTraceOrigin('origin-a')
+
+      // A span in a DIFFERENT trace must not see trace a's segment data.
+      const b = nativeSpans.createSpan()
+      assert.notStrictEqual(a.segmentId, b.segmentId)
+      assert.strictEqual(b.getTraceTag('iso_key'), null)
+      assert.strictEqual(b.getTraceOrigin(), null)
+    })
+  })
+
+  describe('absent values and error handling', () => {
+    it('returns null for tags that were never set', () => {
+      const span = nativeSpans.createSpan()
+      assert.strictEqual(nativeSpans.state.getMetaAttr(span.spanIdBig, 'never-set'), null)
+      assert.strictEqual(nativeSpans.state.getMetricAttr(span.spanIdBig, 'never-set'), null)
+      assert.strictEqual(span.getTag('never-set'), null)
+    })
+
+    it('throws when reading an unknown span id', () => {
+      // Convention: span-level getters throw on an unknown span_id, while
+      // trace-level getters return null for an unknown segment. All span
+      // getters share the get_span error path, so assert each one throws.
+      const bogus = 0xDE_AD_BE_EFn
+      for (const getter of [
+        'getName', 'getServiceName', 'getResourceName',
+        'getType', 'getError', 'getStart', 'getDuration',
+      ]) {
+        assert.throws(() => nativeSpans.state[getter](bogus), `${getter} should throw`)
+      }
+    })
+  })
+
+  describe('default meta', () => {
+    it('applies default meta to new spans and validates inputs', () => {
+      // Fresh interface so the default doesn't leak into the shared instance.
+      const ns = new NativeSpansInterface()
+      ns.state.setDefaultMeta(['dk', 'dv'])
+      const span = ns.createSpan()
+      assert.strictEqual(span.getTag('dk'), 'dv')
+
+      // Non-string key or value must throw.
+      assert.throws(() => ns.state.setDefaultMeta(['k', 123]))
+      assert.throws(() => ns.state.setDefaultMeta([123, 'v']))
+      // A trailing unpaired key is ignored, not an error.
+      assert.doesNotThrow(() => ns.state.setDefaultMeta(['lonely']))
+    })
+  })
+
+  describe('sampling', () => {
+    it('should not expose sample() in WASM module', () => {
+      // Sampling is handled JS-side; the WASM module does not expose a sample() method
+      assert.strictEqual(typeof nativeSpans.state.sample, 'undefined')
+    })
+  })
+
+  describe('string table', () => {
+    it('should evict strings from the table', () => {
+      const testKey = 'eviction-test-key-' + Math.random()
+      const testVal = 'eviction-test-value'
+      const span = nativeSpans.createSpan()
+      span.setTag(testKey, testVal)
+
+      assert.strictEqual(span.getTag(testKey), testVal)
+
+      const keyId = nativeSpans.stringMap.get(testKey)
+      assert.strictEqual(typeof keyId, 'number', 'key was interned in the string table')
+      nativeSpans.state.stringTableEvict(keyId)
+
+      // Evicting the key from the string table must not affect spans that have
+      // already resolved it: the tag was materialized onto the span at flush
+      // time, so the span keeps its own copy of the value.
+      assert.strictEqual(span.getTag(testKey), testVal)
+    })
+
+    it('bulk-inserts strings via stringTableInsertMany', () => {
+      // Wire format per entry: [key:u32 LE][cstr bytes][NUL]. Two entries
+      // exercise the NUL-terminator advance (a missing +1 would misparse the
+      // second entry).
+      const ptr = nativeSpans.state.string_table_input_ptr()
+      const view = new DataView(wasmMemory.buffer, ptr)
+      const bytes = new Uint8Array(wasmMemory.buffer, ptr)
+      const entries = [[60_001, 'bulk-key'], [60_002, 'bulk-val']]
+      let off = 0
+      for (const [key, str] of entries) {
+        view.setUint32(off, key, true)
+        off += 4
+        for (let i = 0; i < str.length; i++) bytes[off++] = str.codePointAt(i)
+        bytes[off++] = 0
+      }
+      nativeSpans.state.stringTableInsertMany(entries.length)
+
+      // Reference the pre-inserted ids directly (raw u32, not via getStringId)
+      // in a SetMetaAttr op; at flush they must resolve to the bulk strings.
+      const span = nativeSpans.createSpan()
+      nativeSpans.queueOp(OpCode.SetMetaAttr, span.spanId, ['u32n', 60_001], ['u32n', 60_002])
+      assert.strictEqual(span.getTag('bulk-key'), 'bulk-val')
+    })
+
+    it('rejects a malformed (non-terminated) stringTableInsertMany entry', () => {
+      const ptr = nativeSpans.state.string_table_input_ptr()
+      const len = nativeSpans.state.string_table_input_len()
+      const view = new DataView(wasmMemory.buffer, ptr)
+      const bytes = new Uint8Array(wasmMemory.buffer, ptr, len)
+      bytes.fill(0xFF) // no NUL terminator anywhere in the buffer
+      view.setUint32(0, 70_001, true)
+      // from_bytes_until_nul finds no terminator -> error surfaced as a throw,
+      // not an out-of-bounds read.
+      assert.throws(() => nativeSpans.state.stringTableInsertMany(1))
+    })
+
+    it('rejects a stringTableInsertMany count larger than the buffer holds', () => {
+      const ptr = nativeSpans.state.string_table_input_ptr()
+      const len = nativeSpans.state.string_table_input_len()
+      const view = new DataView(wasmMemory.buffer, ptr)
+      const bytes = new Uint8Array(wasmMemory.buffer, ptr, len)
+      bytes.fill(0)
+      // One valid entry consuming almost the whole buffer, so claiming a count
+      // of 2 makes the second u32 key read run past the end -> bounded error,
+      // not an out-of-bounds panic.
+      view.setUint32(0, 71_000, true)
+      for (let i = 4; i < len - 1; i++) bytes[i] = 0x61 // 'a'
+      bytes[len - 1] = 0 // NUL terminator at the very end
+      assert.throws(() => nativeSpans.state.stringTableInsertMany(2), /exceeds the entries/)
+    })
+  })
+
+  describe('input validation', () => {
+    it('throws when prepareChunk len exceeds the chunk size', () => {
+      // 100 span ids would need 800 bytes; the chunk only has 8.
+      assert.throws(() => nativeSpans.state.prepareChunk(100, true, Buffer.alloc(8)))
+    })
+
+    it('flushSpans with no spans is a no-op returning false', async () => {
+      assert.strictEqual(await nativeSpans.flushSpans(), false)
+    })
+  })
+
+  describe('flush to agent', () => {
+    it('should flush spans to a (mock) agent', async () => {
+      // Stand up a throwaway HTTP server acting as the agent so the flush path
+      // (prepareChunk -> build exporter -> serialize -> send) is exercised
+      // end-to-end in CI, instead of being skipped when no agent is present.
+      const http = require('node:http')
+      const payloads = []
+      const server = http.createServer((req, res) => {
+        const chunks = []
+        req.on('data', c => chunks.push(c))
+        req.on('end', () => {
+          payloads.push(Buffer.concat(chunks))
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}` })
+      const span = ns.createSpan()
+      span.name = 'flush-test-span'
+      span.service = 'test-service'
+      span.resource = 'test-resource'
+      span.type = 'web'
+      span.duration = 1_000_000n
+
+      try {
+        const result = await ns.flushSpans(span)
+        assert(result, 'exporter returned an agent response')
+        assert(payloads.length > 0, 'agent received a trace payload')
+        assert(payloads[0].length > 0, 'trace payload is non-empty')
+        // process_span stamps the `language` meta at flush. For the Node tracer
+        // it must be "javascript" (matching the JS pipeline), NOT the `nodejs`
+        // header/tracer-lang. The v0.4 span payload has no other nodejs/javascript
+        // string, so a byte check unambiguously distinguishes the two.
+        assert(payloads[0].includes(Buffer.from('javascript')), 'span meta carries language=javascript')
+        assert(!payloads[0].includes(Buffer.from('nodejs')), 'span meta must not carry language=nodejs')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+
+    it('accumulates one chunk per trace into a single multi-trace request', async () => {
+      // prepareChunk stages one chunk per call; a single sendPreparedChunk sends
+      // them all as one request. Before accumulation, a second prepareChunk
+      // overwrote the first, so only one trace shipped per request. Here two
+      // spans in two DISTINCT traces must arrive as two separate trace chunks.
+      const http = require('node:http')
+      const payloads = []
+      const server = http.createServer((req, res) => {
+        const chunks = []
+        req.on('data', c => chunks.push(c))
+        req.on('end', () => {
+          payloads.push({ url: req.url, body: Buffer.concat(chunks) })
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}` })
+
+      const mk = (name) => {
+        const s = ns.createSpan() // distinct random trace id per span
+        s.name = name
+        s.service = 'svc'
+        s.resource = 'res'
+        s.type = 'web'
+        s.duration = 1_000_000n
+        return s
+      }
+      const a = mk('trace-a')
+      const b = mk('trace-b')
+
+      // Prepare one chunk per trace (span id written LE), then send once.
+      const prepareOne = (span) => {
+        const buf = Buffer.alloc(8)
+        for (let i = 0; i < 8; i++) buf[i] = span.spanId[7 - i]
+        return ns.state.prepareChunk(1, true, buf)
+      }
+
+      try {
+        assert.strictEqual(prepareOne(a), true, 'first chunk staged')
+        assert.strictEqual(prepareOne(b), true, 'second chunk staged')
+        const result = await ns.state.sendPreparedChunk()
+        assert(result, 'agent responded')
+        const post = payloads.find(p => p.url.includes('/v0.4/traces'))
+        assert.ok(post, 'received a v0.4 POST')
+        assert.strictEqual(
+          msgpackOuterArrayLen(post.body), 2,
+          'payload carries two separate trace chunks, not one lumped chunk',
+        )
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+  })
+
+  describe('v0.5 output format', () => {
+    // Spin up a mock agent that records the request path, so we can assert the
+    // exporter targets /v0.4/traces by default and /v0.5/traces after
+    // setUseV05(true). (v0.5 itself drops meta_struct/span_events by design;
+    // here we only verify endpoint routing, which is the observable behavior.)
+    async function flushAndCapturePath (useV05) {
+      const http = require('node:http')
+      const seen = []
+      const server = http.createServer((req, res) => {
+        req.on('data', () => {})
+        req.on('end', () => {
+          seen.push({ method: req.method, url: req.url })
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}` })
+      if (useV05) ns.state.setUseV05(true)
+      const span = ns.createSpan()
+      span.name = 'v05-span'
+      span.service = 'test-service'
+      span.resource = 'test-resource'
+      span.type = 'web'
+      span.duration = 1_000_000n
+      try {
+        await ns.flushSpans(span)
+        return seen.find(r => r.method === 'POST')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    }
+
+    it('targets /v0.4/traces by default', async () => {
+      const req = await flushAndCapturePath(false)
+      assert.ok(req, 'agent received a POST')
+      assert.strictEqual(req.url, '/v0.4/traces')
+    })
+
+    it('targets /v0.5/traces after setUseV05(true)', async () => {
+      const req = await flushAndCapturePath(true)
+      assert.ok(req, 'agent received a POST')
+      assert.strictEqual(req.url, '/v0.5/traces')
+    })
+
+    it('exports via OTLP HTTP after setOtlpEndpoint(url)', async () => {
+      // libdatadog maps its internal traces to OTLP and POSTs them to the
+      // configured endpoint instead of the Datadog agent. Confirms the OTLP
+      // path runs end-to-end over the wasm HTTP transport.
+      const http = require('node:http')
+      const seen = []
+      const server = http.createServer((req, res) => {
+        const chunks = []
+        req.on('data', c => chunks.push(c))
+        req.on('end', () => {
+          seen.push({
+            method: req.method,
+            url: req.url,
+            ct: req.headers['content-type'],
+            len: Buffer.concat(chunks).length,
+            body: Buffer.concat(chunks).toString(),
+          })
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+      const ns = new NativeSpansInterface({
+        agentUrl: `http://127.0.0.1:${port}`,
+        tracerVersion: '7.0.0-pre',
+      })
+      ns.state.setOtlpEndpoint(`http://127.0.0.1:${port}/v1/traces`)
+      const span = ns.createSpan()
+      span.name = 'otlp-span'
+      span.service = 'test-service'
+      span.resource = 'test-resource'
+      span.type = 'web'
+      span.duration = 1_000_000n
+      try {
+        await ns.flushSpans(span)
+        const req = seen.find(r => r.method === 'POST')
+        assert.ok(req, 'OTLP endpoint received a POST')
+        assert.strictEqual(req.url, '/v1/traces')
+        // No setOtlpProtocol call — pins the default wire protocol (http/json).
+        assert.match(req.ct || '', /json/)
+        assert.ok(req.len > 0, 'OTLP body is non-empty')
+        const body = JSON.parse(req.body)
+        assert.strictEqual(body.resourceSpans[0].scopeSpans[0].scope.name, 'dd-trace-js')
+        assert.strictEqual(body.resourceSpans[0].scopeSpans[0].scope.version, '7.0.0-pre')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+
+    it('honors setOtlpProtocol(http/protobuf) and setOtlpHeaders', async () => {
+      const http = require('node:http')
+      let captured
+      const server = http.createServer((req, res) => {
+        req.on('data', () => {})
+        req.on('end', () => {
+          if (req.method === 'POST') {
+            captured = {
+              ct: req.headers['content-type'],
+              auth: req.headers.authorization,
+              custom: req.headers['x-custom'],
+            }
+          }
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}` })
+      ns.state.setOtlpEndpoint(`http://127.0.0.1:${port}/v1/traces`)
+      ns.state.setOtlpProtocol('http/protobuf')
+      // Two header pairs plus a trailing unpaired element (odd length): both
+      // pairs are applied and the stray 'ignored-no-pair' is dropped.
+      ns.state.setOtlpHeaders(['authorization', 'Bearer test-token', 'x-custom', 'cval', 'ignored-no-pair'])
+      const span = ns.createSpan()
+      span.name = 'otlp-span'
+      span.service = 'test-service'
+      span.resource = 'test-resource'
+      span.type = 'web'
+      span.duration = 1_000_000n
+      try {
+        await ns.flushSpans(span)
+        assert.ok(captured, 'OTLP endpoint received a POST')
+        assert.match(captured.ct || '', /protobuf/)
+        assert.strictEqual(captured.auth, 'Bearer test-token')
+        assert.strictEqual(captured.custom, 'cval')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+
+    it('rejects unsupported OTLP protocols (e.g. grpc)', () => {
+      const ns = new NativeSpansInterface({ agentUrl: 'http://127.0.0.1:8126' })
+      assert.throws(() => ns.state.setOtlpProtocol('grpc'), /setOtlpProtocol|not supported/)
+    })
+  })
+
+  describe('client-computed-stats header', () => {
+    async function captureTraceHeader (nsOptions) {
+      const http = require('node:http')
+      let header
+      let sawTraces = false
+      const server = http.createServer((req, res) => {
+        req.on('data', () => {})
+        req.on('end', () => {
+          if (req.url === '/v0.4/traces') {
+            sawTraces = true
+            header = req.headers['datadog-client-computed-stats']
+          }
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}`, ...nsOptions })
+      const span = ns.createSpan()
+      span.name = 'span'
+      span.service = 'test-service'
+      span.resource = 'test-resource'
+      span.type = 'web'
+      span.duration = 1_000_000n
+      try {
+        await ns.flushSpans(span)
+        return { header, sawTraces }
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    }
+
+    it('sends Datadog-Client-Computed-Stats: true when enabled', async () => {
+      const { header, sawTraces } = await captureTraceHeader({ clientComputedStats: true })
+      assert.ok(sawTraces, 'expected a POST to /v0.4/traces')
+      assert.strictEqual(header, 'true')
+    })
+
+    it('omits the header when both flags are disabled', async () => {
+      const { header, sawTraces } = await captureTraceHeader({ clientComputedStats: false, statsEnabled: false })
+      assert.ok(sawTraces, 'expected a POST to /v0.4/traces')
+      assert.strictEqual(header, undefined)
+    })
+
+    it('sends the header when stats are enabled (client-side stats imply it)', async () => {
+      // Enabling client-side stats without clientComputedStats must still send
+      // the header, otherwise the agent double-counts APM stats.
+      const { header, sawTraces } = await captureTraceHeader({ statsEnabled: true, clientComputedStats: false })
+      assert.ok(sawTraces, 'expected a POST to /v0.4/traces')
+      assert.strictEqual(header, 'true')
+    })
+  })
+
+  describe('client-side stats', () => {
+    it('aggregates and flushes stats to /v0.6/stats', async () => {
+      const http = require('node:http')
+      const seen = []
+      const server = http.createServer((req, res) => {
+        const chunks = []
+        req.on('data', c => chunks.push(c))
+        req.on('end', () => {
+          seen.push({ method: req.method, url: req.url, len: Buffer.concat(chunks).length })
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+
+      // statsEnabled:true builds the StatsCollector; prepareChunk feeds spans
+      // into it, and flushStats(true) force-flushes to /v0.6/stats.
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}`, statsEnabled: true })
+      const span = ns.createSpan()
+      span.name = 'stats-span'
+      span.service = 'stats-svc'
+      span.resource = '/stats'
+      span.type = 'web'
+      span.duration = 5_000_000n
+
+      try {
+        await ns.flushSpans(span)
+        const result = await ns.state.flushStats(true)
+        assert.deepStrictEqual(result, { sent: true, collapsedSpans: 0 }, 'flushStats reported a send')
+        const statsReq = seen.find(r => r.url === '/v0.6/stats')
+        assert.ok(statsReq, 'agent received a /v0.6/stats request')
+        assert.strictEqual(statsReq.method, 'PUT')
+        assert.ok(statsReq.len > 0, 'stats payload is non-empty')
+
+        // Nothing new aggregated -> a second forced flush is a no-op.
+        assert.deepStrictEqual(await ns.state.flushStats(true), { sent: false, collapsedSpans: 0 }, 'second flush has nothing to send')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+
+    it('returns collapsed span count when stats cardinality overflows', async () => {
+      const http = require('node:http')
+      const seen = []
+      const server = http.createServer((req, res) => {
+        const chunks = []
+        req.on('data', c => chunks.push(c))
+        req.on('end', () => {
+          seen.push({ method: req.method, url: req.url, len: Buffer.concat(chunks).length })
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}`, statsEnabled: true })
+      let batch = []
+
+      try {
+        for (let i = 0; i < 15_000; i++) {
+          const span = ns.createSpan()
+          span.name = `stats-span-${i}`
+          span.service = 'stats-svc'
+          span.resource = '/stats'
+          span.type = 'web'
+          span.setTag('span.kind', 'server')
+          span.duration = 5_000_000n
+          ns.flushChangeQueue()
+          batch.push(span)
+          if (batch.length === 500) {
+            await ns.flushSpans(...batch)
+            batch = []
+          }
+        }
+        if (batch.length > 0) {
+          await ns.flushSpans(...batch)
+        }
+
+        const result = await ns.state.flushStats(true)
+        assert.strictEqual(result.sent, true)
+        assert.ok(result.collapsedSpans > 0, 'stats cardinality overflow reported collapsed spans')
+        assert.ok(seen.some(r => r.url === '/v0.6/stats'), 'agent received a /v0.6/stats request')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+
+    it('flushStats reports no send when stats are disabled', async () => {
+      const ns = new NativeSpansInterface({ statsEnabled: false })
+      assert.deepStrictEqual(await ns.state.flushStats(true), { sent: false, collapsedSpans: 0 })
+    })
+
+    it('flushes stats to /v0.6/stats over a Unix domain socket', { skip: process.platform === 'win32' }, async () => {
+      // A `unix://` agent URL must route /v0.6/stats over the socket, like
+      // traces do. parse_uri hex-encodes the socket path into the URI authority
+      // (which the transport's decode_socket_path reverses); a raw parse would
+      // leave the path in the URI path and never reach the socket.
+      const http = require('node:http')
+      const os = require('node:os')
+      const fs = require('node:fs')
+      const nodePath = require('node:path')
+      // Keep the path short — AF_UNIX paths are capped (~104 bytes on macOS).
+      const sockPath = nodePath.join(os.tmpdir(), `dd-st-${process.pid}.sock`)
+      try {
+        fs.unlinkSync(sockPath)
+      } catch {
+        // not present
+      }
+      const seen = []
+      const server = http.createServer((req, res) => {
+        const chunks = []
+        req.on('data', c => chunks.push(c))
+        req.on('end', () => {
+          seen.push({ method: req.method, url: req.url, len: Buffer.concat(chunks).length })
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise((resolve, reject) => {
+        server.once('error', reject)
+        server.listen(sockPath, resolve)
+      })
+
+      const ns = new NativeSpansInterface({ agentUrl: `unix://${sockPath}`, statsEnabled: true })
+      const span = ns.createSpan()
+      span.name = 'stats-span'
+      span.service = 'stats-svc'
+      span.resource = '/stats'
+      span.type = 'web'
+      span.duration = 5_000_000n
+
+      try {
+        await ns.flushSpans(span)
+        const result = await ns.state.flushStats(true)
+        assert.deepStrictEqual(
+          result,
+          { sent: true, collapsedSpans: 0 },
+          'flushStats reported a send over the socket',
+        )
+        const statsReq = seen.find(r => r.url === '/v0.6/stats')
+        assert.ok(statsReq, 'agent received a /v0.6/stats request over the socket')
+        assert.ok(statsReq.len > 0, 'stats payload is non-empty')
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+        try {
+          fs.unlinkSync(sockPath)
+        } catch {
+          // already gone
+        }
+      }
+    })
+  })
+
+  describe('send re-entrancy', () => {
+    it('rejects an overlapping sendPreparedChunk call', async () => {
+      const http = require('node:http')
+      const server = http.createServer((req, res) => {
+        req.resume()
+        req.on('end', () => {
+          res.writeHead(200, { 'content-type': 'application/json' })
+          res.end('{}')
+        })
+      })
+      await new Promise(resolve => server.listen(0, '127.0.0.1', resolve))
+      const { port } = server.address()
+      const ns = new NativeSpansInterface({ agentUrl: `http://127.0.0.1:${port}` })
+      const span = ns.createSpan()
+      span.name = 'reentrancy'
+      ns.flushBuffer.fill(0)
+      for (let i = 0; i < 8; i++) ns.flushBuffer[i] = span.spanId[7 - i]
+      assert.ok(ns.state.prepareChunk(1, true, ns.flushBuffer))
+
+      try {
+        // Two calls without awaiting the first: the in-flight guard must reject
+        // the second instead of aliasing the exporter (UB).
+        const settled = await Promise.allSettled([
+          ns.state.sendPreparedChunk(),
+          ns.state.sendPreparedChunk(),
+        ])
+        const reasons = settled
+          .filter(s => s.status === 'rejected')
+          .map(s => String(s.reason))
+        assert.ok(
+          reasons.some(r => /already in flight/.test(r)),
+          'one overlapping call rejected as already-in-flight',
+        )
+      } finally {
+        server.closeAllConnections?.()
+        server.close()
+      }
+    })
+  })
+})
diff --git a/test/process-discovery.js b/test/process-discovery.js
new file mode 100644
index 00000000..9f202350
--- /dev/null
+++ b/test/process-discovery.js
@@ -0,0 +1,116 @@
+'use strict'
+
+const assert = require('node:assert')
+const fs = require('node:fs')
+const process = require('node:process')
+
+const libdatadog = require('..')
+const process_discovery = libdatadog.load('process-discovery')
+assert(process_discovery !== undefined)
+
+const metadata = new process_discovery.TracerMetadata(
+  '7938685c-19dd-490f-b9b3-8aae4c22f897',
+  '1.0.0',
+  'my_hostname',
+  'my_svc',
+  'my_env',
+  'my_version',
+  'entrypoint.name:server,svc.auto:my_svc',
+  'abc123def456abc123def456abc123def456abc123def456abc123def456abc123',
+)
+
+const cfg_handle = process_discovery.storeMetadata(metadata)
+assert(cfg_handle !== undefined)
+
+// Same shape, plus a thread-local metadata block (OTEP-4947). libdatadog
+// implicitly prepends `datadog.local_root_span_id` at wire index 0 in the
+// attribute key map; entries here start at wire index 1. `schemaVersion` and
+// `extraAttributes` describe the on-the-wire record schema for readers.
+const metadata_with_threadlocal = new process_discovery.TracerMetadata(
+  '7938685c-19dd-490f-b9b3-8aae4c22f898',
+  '1.0.0',
+  'my_hostname',
+  'my_svc',
+  'my_env',
+  'my_version',
+  undefined,
+  undefined,
+  {
+    attributeKeys: ['endpoint', 'http.status'],
+    schemaVersion: 'nodejs_v1_dev',
+    extraAttributes: [
+      { key: 'threadlocal.wrapped_object_offset', intValue: 24 },
+      { key: 'threadlocal.tagged_size', intValue: 8 },
+      { key: 'threadlocal.runtime.name', stringValue: 'nodejs' },
+    ],
+  },
+)
+assert.deepStrictEqual(
+  metadata_with_threadlocal.threadlocalMetadata.attributeKeys,
+  ['endpoint', 'http.status'],
+)
+assert.strictEqual(
+  metadata_with_threadlocal.threadlocalMetadata.schemaVersion,
+  'nodejs_v1_dev',
+)
+assert.strictEqual(
+  metadata_with_threadlocal.threadlocalMetadata.extraAttributes.length,
+  3,
+)
+const cfg_handle_threadlocal = process_discovery.storeMetadata(metadata_with_threadlocal)
+assert(cfg_handle_threadlocal !== undefined)
+
+// An ExtraAttribute with neither stringValue nor intValue set is a caller
+// error — one of them has to be picked.
+const bad_metadata_neither = new process_discovery.TracerMetadata(
+  '7938685c-19dd-490f-b9b3-8aae4c22f899',
+  '1.0.0',
+  'my_hostname',
+  undefined, undefined, undefined, undefined, undefined,
+  {
+    attributeKeys: [],
+    schemaVersion: undefined,
+    extraAttributes: [{ key: 'threadlocal.bogus' }],
+  },
+)
+assert.throws(
+  () => process_discovery.storeMetadata(bad_metadata_neither),
+  /neither is/,
+)
+
+// Setting both stringValue and intValue is also a caller error — the intent
+// is ambiguous, so reject.
+const bad_metadata_both = new process_discovery.TracerMetadata(
+  '7938685c-19dd-490f-b9b3-8aae4c22f89a',
+  '1.0.0',
+  'my_hostname',
+  undefined, undefined, undefined, undefined, undefined,
+  {
+    attributeKeys: [],
+    schemaVersion: undefined,
+    extraAttributes: [{ key: 'threadlocal.bogus', stringValue: 's', intValue: 1 }],
+  },
+)
+assert.throws(
+  () => process_discovery.storeMetadata(bad_metadata_both),
+  /both are/,
+)
+
+if (process.platform === 'linux') {
+  const contains_datadog_memfd = (fds) => {
+    for (const fd in fds) {
+      try {
+        const fd_name = fs.readlinkSync(`/proc/${process.pid}/fd/${fd}`)
+        if (fd_name.includes('datadog-tracer-info-')) {
+          return true
+        }
+      } catch {
+        continue
+      }
+    }
+    return false
+  }
+
+  const fds = fs.readdirSync(`/proc/${process.pid}/fd`)
+  assert(contains_datadog_memfd(fds))
+}
diff --git a/test/wasm/datadog-js-zstd/index.js b/test/wasm/datadog-js-zstd/index.js
new file mode 100644
index 00000000..734dfeb8
--- /dev/null
+++ b/test/wasm/datadog-js-zstd/index.js
@@ -0,0 +1,51 @@
+const assert = require('node:assert')
+
+const loader = require('../../../load')
+
+const zstd = loader.load('datadog-js-zstd')
+assert(zstd !== undefined)
+
+// Create some compressible data
+const SAMPLE_SIZE = 512
+const SAMPLE_COUNT = 1024
+const DATA_SIZE = SAMPLE_COUNT * 4 * SAMPLE_SIZE
+
+const samples = []
+for (let i = 0; i < SAMPLE_COUNT; i++) {
+  const sample = Array.from({ length: SAMPLE_SIZE })
+  for (let j = 0; j < SAMPLE_SIZE; j++) {
+    sample[j] = Math.trunc(Math.random() * 256)
+  }
+  samples.push(sample)
+}
+const data = Array.from({ length: DATA_SIZE })
+for (let i = 0; i < DATA_SIZE; i += SAMPLE_SIZE) {
+  data.push(...samples[Math.trunc(Math.random() * SAMPLE_COUNT)])
+}
+// Introduce some irregularities
+for (let i = 0; i < SAMPLE_COUNT; i++) {
+  data[Math.trunc(Math.random() * DATA_SIZE)] = 0
+}
+const dataArr = new Uint8Array(data)
+const compressed3 = zstd.zstd_compress(dataArr, 3)
+ensureCompressed(compressed3)
+
+// Test that 0 means default compression level
+const compressed0 = zstd.zstd_compress(dataArr, 0)
+ensureCompressed(compressed3)
+assert(compressed0.length == compressed3.length)
+
+// Test that compression levels are correctly passed on.
+// Level 18 should produce a smaller output than level 3.
+// We can go all the way up to 22, but it is significantly slower.
+const compressed18 = zstd.zstd_compress(dataArr, 18)
+ensureCompressed(compressed18)
+assert(compressed18.length < compressed3.length)
+
+function ensureCompressed (compressed) {
+  assert(compressed.length > 4)
+  assert.equal(compressed[0], 0x28)
+  assert.equal(compressed[1], 0xB5)
+  assert.equal(compressed[2], 0x2F)
+  assert.equal(compressed[3], 0xFD)
+}
diff --git a/test/wasm/library_config/.gitignore b/test/wasm/library_config/.gitignore
new file mode 100644
index 00000000..5fff1d9c
--- /dev/null
+++ b/test/wasm/library_config/.gitignore
@@ -0,0 +1 @@
+pkg
diff --git a/test/wasm/library_config/README.md b/test/wasm/library_config/README.md
new file mode 100644
index 00000000..ca98e968
--- /dev/null
+++ b/test/wasm/library_config/README.md
@@ -0,0 +1,8 @@
+# Libconfig example
+
+## How to run
+From repository root 
+```bash
+yarn build-wasm
+node test/wasm/library_config/index.js
+```
diff --git a/test/wasm/library_config/config_local_phase1.yaml b/test/wasm/library_config/config_local_phase1.yaml
new file mode 100644
index 00000000..f9c6b621
--- /dev/null
+++ b/test/wasm/library_config/config_local_phase1.yaml
@@ -0,0 +1,2 @@
+apm_configuration_default:
+  DD_RUNTIME_METRICS_ENABLED: true
diff --git a/test/wasm/library_config/config_local_phase2.yaml b/test/wasm/library_config/config_local_phase2.yaml
new file mode 100644
index 00000000..f9c6b621
--- /dev/null
+++ b/test/wasm/library_config/config_local_phase2.yaml
@@ -0,0 +1,2 @@
+apm_configuration_default:
+  DD_RUNTIME_METRICS_ENABLED: true
diff --git a/test/wasm/library_config/config_managed_phase2.yaml b/test/wasm/library_config/config_managed_phase2.yaml
new file mode 100644
index 00000000..28c3302e
--- /dev/null
+++ b/test/wasm/library_config/config_managed_phase2.yaml
@@ -0,0 +1,9 @@
+rules:
+  - selectors:
+    - origin: language
+      matches:
+        - nodejs
+      operator: equals
+    configuration:
+      DD_SERVICE: my-service_butremote
+config_id: abc
diff --git a/test/wasm/library_config/index.js b/test/wasm/library_config/index.js
new file mode 100644
index 00000000..6904d00d
--- /dev/null
+++ b/test/wasm/library_config/index.js
@@ -0,0 +1,63 @@
+const assert = require('node:assert')
+const fs = require('node:fs')
+const path = require('node:path')
+
+const loader = require('../../../load')
+
+const libconfig = loader.load('library_config')
+assert(libconfig !== undefined)
+
+// Test 1: phase 1 (host selection)
+function test_host_wide () {
+  const rawConfigLocal = fs.readFileSync(path.join(__dirname, 'config_local_phase1.yaml'))
+  const configurator = new libconfig.JsConfigurator()
+
+  configurator.set_envp(Object.entries(process.env).map(([key, value]) => `${key}=${value}`))
+  configurator.set_args(process.argv)
+
+  const values = configurator.get_configuration(rawConfigLocal.toString(), '')
+  for (const value of values) {
+    console.log(`(phase 1) name: ${value.name}, value: ${value.value}, source: ${value.source}, config_id: ${value.config_id}`)
+  }
+
+  assert.strictEqual(values.length, 1)
+  assert.strictEqual(values[0].name, 'DD_RUNTIME_METRICS_ENABLED')
+  assert.strictEqual(values[0].value, 'true')
+  assert.strictEqual(values[0].source, 'local_stable_config')
+}
+
+// Test 2: managed > local, phase 2 (service selection)
+function test_service_selector () {
+  const rawConfigLocal = fs.readFileSync(path.join(__dirname, 'config_local_phase2.yaml'))
+  const rawConfigManaged = fs.readFileSync(path.join(__dirname, 'config_managed_phase2.yaml'))
+  const configurator = new libconfig.JsConfigurator()
+
+  configurator.set_envp(Object.entries(process.env).map(([key, value]) => `${key}=${value}`))
+  configurator.set_args(process.argv)
+
+  const values = configurator.get_configuration(rawConfigLocal.toString(), rawConfigManaged.toString())
+  for (const value of values) {
+    console.log(`(phase 2) name: ${value.name}, value: ${value.value}, source: ${value.source}, config_id: ${value.config_id}`)
+  }
+
+  assert.strictEqual(values.length, 2)
+  // We can't rely on ordering, so sort it by name to make it deterministic
+  values.sort((a, b) => a.name.localeCompare(b.name))
+  assert.strictEqual(values[0].name, 'DD_RUNTIME_METRICS_ENABLED')
+  assert.strictEqual(values[0].value, 'true')
+  assert.strictEqual(values[0].source, 'local_stable_config')
+  assert.strictEqual(values[1].name, 'DD_SERVICE')
+  assert.strictEqual(values[1].value, 'my-service_butremote')
+  assert.strictEqual(values[1].source, 'fleet_stable_config')
+
+  if (process.platform == 'linux') {
+    assert.strictEqual(configurator.get_config_local_path(process.platform), '/etc/datadog-agent/application_monitoring.yaml')
+  } else if (process.platform == 'darwin') {
+    assert.strictEqual(configurator.get_config_local_path(process.platform), '/opt/datadog-agent/etc/application_monitoring.yaml')
+  } else if (process.platform == 'win32') {
+    assert.strictEqual(configurator.get_config_local_path(process.platform), String.raw`C:\ProgramData\Datadog\application_monitoring.yaml`)
+  }
+}
+
+test_host_wide()
+test_service_selector()
diff --git a/test/wasm/sketches/index.js b/test/wasm/sketches/index.js
new file mode 100644
index 00000000..dfae84f6
--- /dev/null
+++ b/test/wasm/sketches/index.js
@@ -0,0 +1,29 @@
+'use strict'
+
+const assert = require('node:assert')
+
+const loader = require('../../../load')
+const { DDSketch } = loader.load('sketches')
+
+const sketch = new DDSketch()
+assert.strictEqual(sketch.count(), 0)
+
+sketch.add(1)
+sketch.addWithCount(2, 3)
+assert.strictEqual(sketch.count(), 4)
+
+assert.throws(() => sketch.add(-1), /point is invalid/)
+assert.throws(() => sketch.addWithCount(1, Number.NaN), /count is invalid/)
+
+const encoded = sketch.encode()
+assert(encoded instanceof Uint8Array)
+assert(encoded.length > 0)
+
+assert.strictEqual(sketch.count(), 4)
+sketch.add(3)
+assert.strictEqual(sketch.count(), 5)
+
+const reencoded = sketch.encode()
+assert(reencoded instanceof Uint8Array)
+assert(reencoded.length > 0)
+assert.strictEqual(sketch.count(), 5)
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 00000000..85f5c9f5
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,949 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@babel/helper-validator-identifier@^7.28.5":
+  version "7.28.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.28.5.tgz#010b6938fab7cb7df74aa2bbc06aa503b8fe5fb4"
+  integrity sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q==
+
+"@emnapi/core@^1.4.3":
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/@emnapi/core/-/core-1.8.1.tgz#fd9efe721a616288345ffee17a1f26ac5dd01349"
+  integrity sha512-AvT9QFpxK0Zd8J0jopedNm+w/2fIzvtPKPjqyw9jwvBaReTTqPBk9Hixaz7KbjimP+QNz605/XnjFcDAL2pqBg==
+  dependencies:
+    "@emnapi/wasi-threads" "1.1.0"
+    tslib "^2.4.0"
+
+"@emnapi/runtime@^1.4.3":
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/@emnapi/runtime/-/runtime-1.8.1.tgz#550fa7e3c0d49c5fb175a116e8cd70614f9a22a5"
+  integrity sha512-mehfKSMWjjNol8659Z8KxEMrdSJDDot5SXMq00dM8BN4o+CLNXQ0xH2V7EchNHV4RmbZLmmPdEaXZc5H2FXmDg==
+  dependencies:
+    tslib "^2.4.0"
+
+"@emnapi/wasi-threads@1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@emnapi/wasi-threads/-/wasi-threads-1.1.0.tgz#60b2102fddc9ccb78607e4a3cf8403ea69be41bf"
+  integrity sha512-WI0DdZ8xFSbgMjR1sFsKABJ/C5OnRrjT06JXbZKexJGrDuPTzZdDYfFlsgcCXCyf+suG5QU2e/y1Wo2V/OapLQ==
+  dependencies:
+    tslib "^2.4.0"
+
+"@eslint-community/eslint-utils@^4.1.2", "@eslint-community/eslint-utils@^4.5.0", "@eslint-community/eslint-utils@^4.8.0", "@eslint-community/eslint-utils@^4.9.0", "@eslint-community/eslint-utils@^4.9.1":
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/@eslint-community/eslint-utils/-/eslint-utils-4.9.1.tgz#4e90af67bc51ddee6cdef5284edf572ec376b595"
+  integrity sha512-phrYmNiYppR7znFEdqgfWHXR6NCkZEK7hwWDHZUjit/2/U0r6XvkDl0SYnoM51Hq7FhCGdLDT6zxCCOY1hexsQ==
+  dependencies:
+    eslint-visitor-keys "^3.4.3"
+
+"@eslint-community/regexpp@^4.11.0", "@eslint-community/regexpp@^4.12.2":
+  version "4.12.2"
+  resolved "https://registry.yarnpkg.com/@eslint-community/regexpp/-/regexpp-4.12.2.tgz#bccdf615bcf7b6e8db830ec0b8d21c9a25de597b"
+  integrity sha512-EriSTlt5OC9/7SXkRSCAhfSxxoSUgBm33OH+IkwbdpgoqsSsUg7y3uh+IICI/Qg4BBWr3U2i39RpmycbxMq4ew==
+
+"@eslint/config-array@^0.23.5":
+  version "0.23.5"
+  resolved "https://registry.yarnpkg.com/@eslint/config-array/-/config-array-0.23.5.tgz#56e86d243049195d8acc0c06a1b3dfdc3fa3de95"
+  integrity sha512-Y3kKLvC1dvTOT+oGlqNQ1XLqK6D1HU2YXPc52NmAlJZbMMWDzGYXMiPRJ8TYD39muD/OTjlZmNJ4ib7dvSrMBA==
+  dependencies:
+    "@eslint/object-schema" "^3.0.5"
+    debug "^4.3.1"
+    minimatch "^10.2.4"
+
+"@eslint/config-helpers@^0.6.0":
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/@eslint/config-helpers/-/config-helpers-0.6.0.tgz#ef9a36881d39dfd5dbeac22b0da997fabfb08b03"
+  integrity sha512-ii6Bw9jJ2zi2cWA2Z+9/QZ/+3DX6kwaV5Q986D/CdP3Lap3w/pgQZ373FV7byY/i7L4IRH/G43I5dz1ClsCbpA==
+  dependencies:
+    "@eslint/core" "^1.2.1"
+
+"@eslint/core@^1.2.1":
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/@eslint/core/-/core-1.2.1.tgz#c1da7cd1b82fa8787f98b5629fb811848a1b63ce"
+  integrity sha512-MwcE1P+AZ4C6DWlpin/OmOA54mmIZ/+xZuJiQd4SyB29oAJjN30UW9wkKNptW2ctp4cEsvhlLY/CsQ1uoHDloQ==
+  dependencies:
+    "@types/json-schema" "^7.0.15"
+
+"@eslint/js@^10.0.1":
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/@eslint/js/-/js-10.0.1.tgz#1e8a876f50117af8ab67e47d5ad94d38d6622583"
+  integrity sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==
+
+"@eslint/object-schema@^3.0.5":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@eslint/object-schema/-/object-schema-3.0.5.tgz#88e9bf4d11d2b19c082e78ebe7ce88724a5eb091"
+  integrity sha512-vqTaUEgxzm+YDSdElad6PiRoX4t8VGDjCtt05zn4nU810UIx/uNEV7/lZJ6KwFThKZOzOxzXy48da+No7HZaMw==
+
+"@eslint/plugin-kit@^0.7.2":
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/@eslint/plugin-kit/-/plugin-kit-0.7.2.tgz#4b0962f3f2c7ce8bc98b3ecfe34525c09d2cb729"
+  integrity sha512-+CNAzxglkrpNf/kKywqQfk74QjtceuOE7Qm+AF8miRvPF/wmmK5+OJOgVh3AVTT3RP2mH3+FOaxlE5v72owk0A==
+  dependencies:
+    "@eslint/core" "^1.2.1"
+    levn "^0.4.1"
+
+"@humanfs/core@^0.19.1":
+  version "0.19.1"
+  resolved "https://registry.yarnpkg.com/@humanfs/core/-/core-0.19.1.tgz#17c55ca7d426733fe3c561906b8173c336b40a77"
+  integrity sha512-5DyQ4+1JEUzejeK1JGICcideyfUbGixgS9jNgex5nqkW+cY7WZhxBigmieN5Qnw9ZosSNVC9KQKyb+GUaGyKUA==
+
+"@humanfs/node@^0.16.6":
+  version "0.16.7"
+  resolved "https://registry.yarnpkg.com/@humanfs/node/-/node-0.16.7.tgz#822cb7b3a12c5a240a24f621b5a2413e27a45f26"
+  integrity sha512-/zUx+yOsIrG4Y43Eh2peDeKCxlRt/gET6aHfaKpuq267qXdYDFViVHfMaLyygZOnl0kGWxFIgsBy8QFuTLUXEQ==
+  dependencies:
+    "@humanfs/core" "^0.19.1"
+    "@humanwhocodes/retry" "^0.4.0"
+
+"@humanwhocodes/module-importer@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@humanwhocodes/module-importer/-/module-importer-1.0.1.tgz#af5b2691a22b44be847b0ca81641c5fb6ad0172c"
+  integrity sha512-bxveV4V8v5Yb4ncFTT3rPSgZBOpCkjfK0y4oVVVJwIuDVBRMDXrPyXRL988i5ap9m9bnyEEjWfm5WkBmtffLfA==
+
+"@humanwhocodes/retry@^0.4.0", "@humanwhocodes/retry@^0.4.2":
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/@humanwhocodes/retry/-/retry-0.4.3.tgz#c2b9d2e374ee62c586d3adbea87199b1d7a7a6ba"
+  integrity sha512-bV0Tgo9K4hfPCek+aMAn81RppFKv2ySDQeMoSZuvTASywNTnVJCArCZE2FWqpvIatKu7VMRLWlR1EazvVhDyhQ==
+
+"@napi-rs/wasm-runtime@^0.2.11":
+  version "0.2.12"
+  resolved "https://registry.yarnpkg.com/@napi-rs/wasm-runtime/-/wasm-runtime-0.2.12.tgz#3e78a8b96e6c33a6c517e1894efbd5385a7cb6f2"
+  integrity sha512-ZVWUcfwY4E/yPitQJl481FjFo3K22D6qF0DuFH6Y/nbnE11GY5uguDxZMGXPQ8WQ0128MXQD7TnfHyK4oWoIJQ==
+  dependencies:
+    "@emnapi/core" "^1.4.3"
+    "@emnapi/runtime" "^1.4.3"
+    "@tybys/wasm-util" "^0.10.0"
+
+"@stylistic/eslint-plugin@^5.9.0":
+  version "5.10.0"
+  resolved "https://registry.yarnpkg.com/@stylistic/eslint-plugin/-/eslint-plugin-5.10.0.tgz#471bbd9f7a27ceaac4a217e7f5b3890855e5640c"
+  integrity sha512-nPK52ZHvot8Ju/0A4ucSX1dcPV2/1clx0kLcH5wDmrE4naKso7TUC/voUyU1O9OTKTrR6MYip6LP0ogEMQ9jPQ==
+  dependencies:
+    "@eslint-community/eslint-utils" "^4.9.1"
+    "@typescript-eslint/types" "^8.56.0"
+    eslint-visitor-keys "^4.2.1"
+    espree "^10.4.0"
+    estraverse "^5.3.0"
+    picomatch "^4.0.3"
+
+"@tybys/wasm-util@^0.10.0":
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/@tybys/wasm-util/-/wasm-util-0.10.1.tgz#ecddd3205cf1e2d5274649ff0eedd2991ed7f414"
+  integrity sha512-9tTaPJLSiejZKx+Bmog4uSubteqTvFrVrURwkmHixBo0G4seD0zUxp98E1DzUBJxLQ3NPwXrGKDiVjwx/DpPsg==
+  dependencies:
+    tslib "^2.4.0"
+
+"@types/esrecurse@^4.3.1":
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/@types/esrecurse/-/esrecurse-4.3.1.tgz#6f636af962fbe6191b830bd676ba5986926bccec"
+  integrity sha512-xJBAbDifo5hpffDBuHl0Y8ywswbiAp/Wi7Y/GtAgSlZyIABppyurxVueOPE8LUQOxdlgi6Zqce7uoEpqNTeiUw==
+
+"@types/estree@^1.0.6", "@types/estree@^1.0.8":
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-1.0.8.tgz#958b91c991b1867ced318bedea0e215ee050726e"
+  integrity sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==
+
+"@types/json-schema@^7.0.15":
+  version "7.0.15"
+  resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.15.tgz#596a1747233694d50f6ad8a7869fcb6f56cf5841"
+  integrity sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==
+
+"@typescript-eslint/types@^8.56.0":
+  version "8.57.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.57.0.tgz#4fa5385ffd1cd161fa5b9dce93e0493d491b8dc6"
+  integrity sha512-dTLI8PEXhjUC7B9Kre+u0XznO696BhXcTlOn0/6kf1fHaQW8+VjJAVHJ3eTI14ZapTxdkOmc80HblPQLaEeJdg==
+
+"@unrs/resolver-binding-android-arm-eabi@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-android-arm-eabi/-/resolver-binding-android-arm-eabi-1.11.1.tgz#9f5b04503088e6a354295e8ea8fe3cb99e43af81"
+  integrity sha512-ppLRUgHVaGRWUx0R0Ut06Mjo9gBaBkg3v/8AxusGLhsIotbBLuRk51rAzqLC8gq6NyyAojEXglNjzf6R948DNw==
+
+"@unrs/resolver-binding-android-arm64@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-android-arm64/-/resolver-binding-android-arm64-1.11.1.tgz#7414885431bd7178b989aedc4d25cccb3865bc9f"
+  integrity sha512-lCxkVtb4wp1v+EoN+HjIG9cIIzPkX5OtM03pQYkG+U5O/wL53LC4QbIeazgiKqluGeVEeBlZahHalCaBvU1a2g==
+
+"@unrs/resolver-binding-darwin-arm64@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-darwin-arm64/-/resolver-binding-darwin-arm64-1.11.1.tgz#b4a8556f42171fb9c9f7bac8235045e82aa0cbdf"
+  integrity sha512-gPVA1UjRu1Y/IsB/dQEsp2V1pm44Of6+LWvbLc9SDk1c2KhhDRDBUkQCYVWe6f26uJb3fOK8saWMgtX8IrMk3g==
+
+"@unrs/resolver-binding-darwin-x64@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-darwin-x64/-/resolver-binding-darwin-x64-1.11.1.tgz#fd4d81257b13f4d1a083890a6a17c00de571f0dc"
+  integrity sha512-cFzP7rWKd3lZaCsDze07QX1SC24lO8mPty9vdP+YVa3MGdVgPmFc59317b2ioXtgCMKGiCLxJ4HQs62oz6GfRQ==
+
+"@unrs/resolver-binding-freebsd-x64@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-freebsd-x64/-/resolver-binding-freebsd-x64-1.11.1.tgz#d2513084d0f37c407757e22f32bd924a78cfd99b"
+  integrity sha512-fqtGgak3zX4DCB6PFpsH5+Kmt/8CIi4Bry4rb1ho6Av2QHTREM+47y282Uqiu3ZRF5IQioJQ5qWRV6jduA+iGw==
+
+"@unrs/resolver-binding-linux-arm-gnueabihf@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-arm-gnueabihf/-/resolver-binding-linux-arm-gnueabihf-1.11.1.tgz#844d2605d057488d77fab09705f2866b86164e0a"
+  integrity sha512-u92mvlcYtp9MRKmP+ZvMmtPN34+/3lMHlyMj7wXJDeXxuM0Vgzz0+PPJNsro1m3IZPYChIkn944wW8TYgGKFHw==
+
+"@unrs/resolver-binding-linux-arm-musleabihf@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-arm-musleabihf/-/resolver-binding-linux-arm-musleabihf-1.11.1.tgz#204892995cefb6bd1d017d52d097193bc61ddad3"
+  integrity sha512-cINaoY2z7LVCrfHkIcmvj7osTOtm6VVT16b5oQdS4beibX2SYBwgYLmqhBjA1t51CarSaBuX5YNsWLjsqfW5Cw==
+
+"@unrs/resolver-binding-linux-arm64-gnu@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-arm64-gnu/-/resolver-binding-linux-arm64-gnu-1.11.1.tgz#023eb0c3aac46066a10be7a3f362e7b34f3bdf9d"
+  integrity sha512-34gw7PjDGB9JgePJEmhEqBhWvCiiWCuXsL9hYphDF7crW7UgI05gyBAi6MF58uGcMOiOqSJ2ybEeCvHcq0BCmQ==
+
+"@unrs/resolver-binding-linux-arm64-musl@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-arm64-musl/-/resolver-binding-linux-arm64-musl-1.11.1.tgz#9e6f9abb06424e3140a60ac996139786f5d99be0"
+  integrity sha512-RyMIx6Uf53hhOtJDIamSbTskA99sPHS96wxVE/bJtePJJtpdKGXO1wY90oRdXuYOGOTuqjT8ACccMc4K6QmT3w==
+
+"@unrs/resolver-binding-linux-ppc64-gnu@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-ppc64-gnu/-/resolver-binding-linux-ppc64-gnu-1.11.1.tgz#b111417f17c9d1b02efbec8e08398f0c5527bb44"
+  integrity sha512-D8Vae74A4/a+mZH0FbOkFJL9DSK2R6TFPC9M+jCWYia/q2einCubX10pecpDiTmkJVUH+y8K3BZClycD8nCShA==
+
+"@unrs/resolver-binding-linux-riscv64-gnu@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-riscv64-gnu/-/resolver-binding-linux-riscv64-gnu-1.11.1.tgz#92ffbf02748af3e99873945c9a8a5ead01d508a9"
+  integrity sha512-frxL4OrzOWVVsOc96+V3aqTIQl1O2TjgExV4EKgRY09AJ9leZpEg8Ak9phadbuX0BA4k8U5qtvMSQQGGmaJqcQ==
+
+"@unrs/resolver-binding-linux-riscv64-musl@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-riscv64-musl/-/resolver-binding-linux-riscv64-musl-1.11.1.tgz#0bec6f1258fc390e6b305e9ff44256cb207de165"
+  integrity sha512-mJ5vuDaIZ+l/acv01sHoXfpnyrNKOk/3aDoEdLO/Xtn9HuZlDD6jKxHlkN8ZhWyLJsRBxfv9GYM2utQ1SChKew==
+
+"@unrs/resolver-binding-linux-s390x-gnu@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-s390x-gnu/-/resolver-binding-linux-s390x-gnu-1.11.1.tgz#577843a084c5952f5906770633ccfb89dac9bc94"
+  integrity sha512-kELo8ebBVtb9sA7rMe1Cph4QHreByhaZ2QEADd9NzIQsYNQpt9UkM9iqr2lhGr5afh885d/cB5QeTXSbZHTYPg==
+
+"@unrs/resolver-binding-linux-x64-gnu@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-x64-gnu/-/resolver-binding-linux-x64-gnu-1.11.1.tgz#36fb318eebdd690f6da32ac5e0499a76fa881935"
+  integrity sha512-C3ZAHugKgovV5YvAMsxhq0gtXuwESUKc5MhEtjBpLoHPLYM+iuwSj3lflFwK3DPm68660rZ7G8BMcwSro7hD5w==
+
+"@unrs/resolver-binding-linux-x64-musl@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-linux-x64-musl/-/resolver-binding-linux-x64-musl-1.11.1.tgz#bfb9af75f783f98f6a22c4244214efe4df1853d6"
+  integrity sha512-rV0YSoyhK2nZ4vEswT/QwqzqQXw5I6CjoaYMOX0TqBlWhojUf8P94mvI7nuJTeaCkkds3QE4+zS8Ko+GdXuZtA==
+
+"@unrs/resolver-binding-wasm32-wasi@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-wasm32-wasi/-/resolver-binding-wasm32-wasi-1.11.1.tgz#752c359dd875684b27429500d88226d7cc72f71d"
+  integrity sha512-5u4RkfxJm+Ng7IWgkzi3qrFOvLvQYnPBmjmZQ8+szTK/b31fQCnleNl1GgEt7nIsZRIf5PLhPwT0WM+q45x/UQ==
+  dependencies:
+    "@napi-rs/wasm-runtime" "^0.2.11"
+
+"@unrs/resolver-binding-win32-arm64-msvc@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-win32-arm64-msvc/-/resolver-binding-win32-arm64-msvc-1.11.1.tgz#ce5735e600e4c2fbb409cd051b3b7da4a399af35"
+  integrity sha512-nRcz5Il4ln0kMhfL8S3hLkxI85BXs3o8EYoattsJNdsX4YUU89iOkVn7g0VHSRxFuVMdM4Q1jEpIId1Ihim/Uw==
+
+"@unrs/resolver-binding-win32-ia32-msvc@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-win32-ia32-msvc/-/resolver-binding-win32-ia32-msvc-1.11.1.tgz#72fc57bc7c64ec5c3de0d64ee0d1810317bc60a6"
+  integrity sha512-DCEI6t5i1NmAZp6pFonpD5m7i6aFrpofcp4LA2i8IIq60Jyo28hamKBxNrZcyOwVOZkgsRp9O2sXWBWP8MnvIQ==
+
+"@unrs/resolver-binding-win32-x64-msvc@1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@unrs/resolver-binding-win32-x64-msvc/-/resolver-binding-win32-x64-msvc-1.11.1.tgz#538b1e103bf8d9864e7b85cc96fa8d6fb6c40777"
+  integrity sha512-lrW200hZdbfRtztbygyaq/6jP6AKE8qQN2KvPcJ+x7wiD038YtnYtZ82IMNJ69GJibV7bwL3y9FgK+5w/pYt6g==
+
+acorn-jsx@^5.3.2:
+  version "5.3.2"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.3.2.tgz#7ed5bb55908b3b2f1bc55c6af1653bada7f07937"
+  integrity sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==
+
+acorn@^8.15.0, acorn@^8.16.0:
+  version "8.16.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.16.0.tgz#4ce79c89be40afe7afe8f3adb902a1f1ce9ac08a"
+  integrity sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==
+
+ajv@^6.14.0:
+  version "6.14.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.14.0.tgz#fd067713e228210636ebb08c60bd3765d6dbe73a"
+  integrity sha512-IWrosm/yrn43eiKqkfkHis7QioDleaXQHdDVPKg0FSwwd/DuvyX79TZnFOnYpB7dcsFAMmtFztZuXPDvSePkFw==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
+balanced-match@^4.0.2:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-4.0.4.tgz#bfb10662feed8196a2c62e7c68e17720c274179a"
+  integrity sha512-BLrgEcRTwX2o6gGxGOCNyMvGSp35YofuYzw9h1IMTRmKqttAZZVU67bdb9Pr2vUHA8+j3i2tJfjO6C6+4myGTA==
+
+baseline-browser-mapping@^2.9.0:
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/baseline-browser-mapping/-/baseline-browser-mapping-2.10.0.tgz#5b09935025bf8a80e29130251e337c6a7fc8cbb9"
+  integrity sha512-lIyg0szRfYbiy67j9KN8IyeD7q7hcmqnJ1ddWmNt19ItGpNN64mnllmxUNFIOdOm6by97jlL6wfpTTJrmnjWAA==
+
+brace-expansion@^5.0.2:
+  version "5.0.6"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-5.0.6.tgz#ec68fe0a641a29d8711579caf641d05bae1f2285"
+  integrity sha512-kLpxurY4Z4r9sgMsyG0Z9uzsBlgiU/EFKhj/h91/8yHu0edo7XuixOIH3VcJ8kkxs6/jPzoI6U9Vj3WqbMQ94g==
+  dependencies:
+    balanced-match "^4.0.2"
+
+browserslist@^4.28.1:
+  version "4.28.1"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.28.1.tgz#7f534594628c53c63101079e27e40de490456a95"
+  integrity sha512-ZC5Bd0LgJXgwGqUknZY/vkUQ04r8NXnJZ3yYi4vDmSiZmC/pdSN0NbNRPxZpbtO4uAfDUAFffO8IZoM3Gj8IkA==
+  dependencies:
+    baseline-browser-mapping "^2.9.0"
+    caniuse-lite "^1.0.30001759"
+    electron-to-chromium "^1.5.263"
+    node-releases "^2.0.27"
+    update-browserslist-db "^1.2.0"
+
+builtin-modules@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-5.0.0.tgz#9be95686dedad2e9eed05592b07733db87dcff1a"
+  integrity sha512-bkXY9WsVpY7CvMhKSR6pZilZu9Ln5WDrKVBUXf2S443etkmEO4V58heTecXcUIsNsi4Rx8JUO4NfX1IcQl4deg==
+
+caniuse-lite@^1.0.30001759:
+  version "1.0.30001777"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001777.tgz#028f21e4b2718d138b55e692583e6810ccf60691"
+  integrity sha512-tmN+fJxroPndC74efCdp12j+0rk0RHwV5Jwa1zWaFVyw2ZxAuPeG8ZgWC3Wz7uSjT3qMRQ5XHZ4COgQmsCMJAQ==
+
+change-case@^5.4.4:
+  version "5.4.4"
+  resolved "https://registry.yarnpkg.com/change-case/-/change-case-5.4.4.tgz#0d52b507d8fb8f204343432381d1a6d7bff97a02"
+  integrity sha512-HRQyTk2/YPEkt9TnUPbOpr64Uw3KOicFWPVBb+xiHvd6eBx/qPr9xqfBFDT8P2vWsvvz4jbEkfDe71W3VyNu2w==
+
+ci-info@^4.3.1:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-4.4.0.tgz#7d54eff9f54b45b62401c26032696eb59c8bd18c"
+  integrity sha512-77PSwercCZU2Fc4sX94eF8k8Pxte6JAwL4/ICZLFjJLqegs7kCuAsqqj/70NQF6TvDpgFjkubQB2FW2ZZddvQg==
+
+clean-regexp@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clean-regexp/-/clean-regexp-1.0.0.tgz#8df7c7aae51fd36874e8f8d05b9180bc11a3fed7"
+  integrity sha512-GfisEZEJvzKrmGWkvfhgzcz/BllN1USeqD2V6tg14OAOgaCD2Z/PUEuxnAZ/nPvmaHRG7a8y77p1T/IRQ4D1Hw==
+  dependencies:
+    escape-string-regexp "^1.0.5"
+
+comment-parser@^1.4.1:
+  version "1.4.5"
+  resolved "https://registry.yarnpkg.com/comment-parser/-/comment-parser-1.4.5.tgz#6c595cd090737a1010fe5ff40d86e1d21b7bd6ce"
+  integrity sha512-aRDkn3uyIlCFfk5NUA+VdwMmMsh8JGhc4hapfV4yxymHGQ3BVskMQfoXGpCo5IoBuQ9tS5iiVKhCpTcB4pW4qw==
+
+core-js-compat@^3.46.0:
+  version "3.48.0"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.48.0.tgz#7efbe1fc1cbad44008190462217cc5558adaeaa6"
+  integrity sha512-OM4cAF3D6VtH/WkLtWvyNC56EZVXsZdU3iqaMG2B4WvYrlqU831pc4UtG5yp0sE9z8Y02wVN7PjW5Zf9Gt0f1Q==
+  dependencies:
+    browserslist "^4.28.1"
+
+cross-spawn@^7.0.6:
+  version "7.0.6"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.6.tgz#8a58fe78f00dcd70c370451759dfbfaf03e8ee9f"
+  integrity sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==
+  dependencies:
+    path-key "^3.1.0"
+    shebang-command "^2.0.0"
+    which "^2.0.1"
+
+debug@^4.3.1, debug@^4.3.2, debug@^4.4.1:
+  version "4.4.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.4.3.tgz#c6ae432d9bd9662582fce08709b038c58e9e3d6a"
+  integrity sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==
+  dependencies:
+    ms "^2.1.3"
+
+deep-is@^0.1.3:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.4.tgz#a6f2dce612fadd2ef1f519b73551f17e85199831"
+  integrity sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==
+
+electron-to-chromium@^1.5.263:
+  version "1.5.307"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.5.307.tgz#09f8973100c39fb0d003b890393cd1d58932b1c8"
+  integrity sha512-5z3uFKBWjiNR44nFcYdkcXjKMbg5KXNdciu7mhTPo9tB7NbqSNP2sSnGR+fqknZSCwKkBN+oxiiajWs4dT6ORg==
+
+enhanced-resolve@^5.17.1:
+  version "5.20.0"
+  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-5.20.0.tgz#323c2a70d2aa7fb4bdfd6d3c24dfc705c581295d"
+  integrity sha512-/ce7+jQ1PQ6rVXwe+jKEg5hW5ciicHwIQUagZkp6IufBoY3YDgdTTY1azVs0qoRgVmvsNB+rbjLJxDAeHHtwsQ==
+  dependencies:
+    graceful-fs "^4.2.4"
+    tapable "^2.3.0"
+
+escalade@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.2.0.tgz#011a3f69856ba189dffa7dc8fcce99d2a87903e5"
+  integrity sha512-WUj2qlxaQtO4g6Pq5c29GTcWGDyd8itL8zTlipgECz3JesAiiOKotd8JU6otB3PACgG6xkJUyVhboMS+bje/jA==
+
+escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==
+
+escape-string-regexp@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
+  integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
+
+eslint-compat-utils@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/eslint-compat-utils/-/eslint-compat-utils-0.5.1.tgz#7fc92b776d185a70c4070d03fd26fde3d59652e4"
+  integrity sha512-3z3vFexKIEnjHE3zCMRo6fn/e44U7T1khUjg+Hp0ZQMCigh28rALD0nPFBcGZuiLC5rLZa2ubQHDRln09JfU2Q==
+  dependencies:
+    semver "^7.5.4"
+
+eslint-import-context@^0.1.9:
+  version "0.1.9"
+  resolved "https://registry.yarnpkg.com/eslint-import-context/-/eslint-import-context-0.1.9.tgz#967b0b2f0a90ef4b689125e088f790f0b7756dbe"
+  integrity sha512-K9Hb+yRaGAGUbwjhFNHvSmmkZs9+zbuoe3kFQ4V1wYjrepUFYM2dZAfNtjbbj3qsPfUfsA68Bx/ICWQMi+C8Eg==
+  dependencies:
+    get-tsconfig "^4.10.1"
+    stable-hash-x "^0.2.0"
+
+eslint-plugin-es-x@^7.8.0:
+  version "7.8.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-es-x/-/eslint-plugin-es-x-7.8.0.tgz#a207aa08da37a7923f2a9599e6d3eb73f3f92b74"
+  integrity sha512-7Ds8+wAAoV3T+LAKeu39Y5BzXCrGKrcISfgKEqTS4BDN8SFEDQd0S43jiQ8vIa3wUKD07qitZdfzlenSi8/0qQ==
+  dependencies:
+    "@eslint-community/eslint-utils" "^4.1.2"
+    "@eslint-community/regexpp" "^4.11.0"
+    eslint-compat-utils "^0.5.1"
+
+eslint-plugin-import-x@^4.17.1:
+  version "4.17.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-import-x/-/eslint-plugin-import-x-4.17.1.tgz#6e9211acd8e98d2da11f96c12c9c00aa49e3e035"
+  integrity sha512-4cdstYkKCyjumM2Q9NSI03K8D2a9F4Ssz33K2lv2hQa4KmR9jPLwk3uWGtNvclfqBrPGfGuMBwsGMbe6dMRbfg==
+  dependencies:
+    "@typescript-eslint/types" "^8.56.0"
+    comment-parser "^1.4.1"
+    debug "^4.4.1"
+    eslint-import-context "^0.1.9"
+    is-glob "^4.0.3"
+    minimatch "^9.0.3 || ^10.1.2"
+    semver "^7.7.2"
+    stable-hash-x "^0.2.0"
+    unrs-resolver "^1.9.2"
+
+eslint-plugin-n@^17.24.0:
+  version "17.24.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-n/-/eslint-plugin-n-17.24.0.tgz#b66fa05f7a6c1ba16768f0921b8974147dddd060"
+  integrity sha512-/gC7/KAYmfNnPNOb3eu8vw+TdVnV0zhdQwexsw6FLXbhzroVj20vRn2qL8lDWDGnAQ2J8DhdfvXxX9EoxvERvw==
+  dependencies:
+    "@eslint-community/eslint-utils" "^4.5.0"
+    enhanced-resolve "^5.17.1"
+    eslint-plugin-es-x "^7.8.0"
+    get-tsconfig "^4.8.1"
+    globals "^15.11.0"
+    globrex "^0.1.2"
+    ignore "^5.3.2"
+    semver "^7.6.3"
+    ts-declaration-location "^1.0.6"
+
+eslint-plugin-unicorn@^63.0.0:
+  version "63.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-unicorn/-/eslint-plugin-unicorn-63.0.0.tgz#db210b87bb66f0f15ab675ba13d9f1fb61016b22"
+  integrity sha512-Iqecl9118uQEXYh7adylgEmGfkn5es3/mlQTLLkd4pXkIk9CTGrAbeUux+YljSa2ohXCBmQQ0+Ej1kZaFgcfkA==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.28.5"
+    "@eslint-community/eslint-utils" "^4.9.0"
+    change-case "^5.4.4"
+    ci-info "^4.3.1"
+    clean-regexp "^1.0.0"
+    core-js-compat "^3.46.0"
+    find-up-simple "^1.0.1"
+    globals "^16.4.0"
+    indent-string "^5.0.0"
+    is-builtin-module "^5.0.0"
+    jsesc "^3.1.0"
+    pluralize "^8.0.0"
+    regexp-tree "^0.1.27"
+    regjsparser "^0.13.0"
+    semver "^7.7.3"
+    strip-indent "^4.1.1"
+
+eslint-scope@^9.1.2:
+  version "9.1.2"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-9.1.2.tgz#b9de6ace2fab1cff24d2e58d85b74c8fcea39802"
+  integrity sha512-xS90H51cKw0jltxmvmHy2Iai1LIqrfbw57b79w/J7MfvDfkIkFZ+kj6zC3BjtUwh150HsSSdxXZcsuv72miDFQ==
+  dependencies:
+    "@types/esrecurse" "^4.3.1"
+    "@types/estree" "^1.0.8"
+    esrecurse "^4.3.0"
+    estraverse "^5.2.0"
+
+eslint-visitor-keys@^3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz#0cd72fe8550e3c2eae156a96a4dddcd1c8ac5800"
+  integrity sha512-wpc+LXeiyiisxPlEkUzU6svyS1frIO3Mgxj1fdy7Pm8Ygzguax2N3Fa/D/ag1WqbOprdI+uY6wMUl8/a2G+iag==
+
+eslint-visitor-keys@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz#4cfea60fe7dd0ad8e816e1ed026c1d5251b512c1"
+  integrity sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==
+
+eslint-visitor-keys@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-5.0.1.tgz#9e3c9489697824d2d4ce3a8ad12628f91e9f59be"
+  integrity sha512-tD40eHxA35h0PEIZNeIjkHoDR4YjjJp34biM0mDvplBe//mB+IHCqHDGV7pxF+7MklTvighcCPPZC7ynWyjdTA==
+
+eslint@^10.6.0:
+  version "10.6.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.6.0.tgz#e1b4059c582be950c7088c9b55f984738b243c27"
+  integrity sha512-6lVbcqSodALYo+4ELD0heG6lFiFxnLMuLkiMi2qV8LMp54N8tE8FT1GMH+ev4Ti00nFjNze2+Su6DsV5OQW3Dg==
+  dependencies:
+    "@eslint-community/eslint-utils" "^4.8.0"
+    "@eslint-community/regexpp" "^4.12.2"
+    "@eslint/config-array" "^0.23.5"
+    "@eslint/config-helpers" "^0.6.0"
+    "@eslint/core" "^1.2.1"
+    "@eslint/plugin-kit" "^0.7.2"
+    "@humanfs/node" "^0.16.6"
+    "@humanwhocodes/module-importer" "^1.0.1"
+    "@humanwhocodes/retry" "^0.4.2"
+    "@types/estree" "^1.0.6"
+    ajv "^6.14.0"
+    cross-spawn "^7.0.6"
+    debug "^4.3.2"
+    escape-string-regexp "^4.0.0"
+    eslint-scope "^9.1.2"
+    eslint-visitor-keys "^5.0.1"
+    espree "^11.2.0"
+    esquery "^1.7.0"
+    esutils "^2.0.2"
+    fast-deep-equal "^3.1.3"
+    file-entry-cache "^8.0.0"
+    find-up "^5.0.0"
+    glob-parent "^6.0.2"
+    ignore "^5.2.0"
+    imurmurhash "^0.1.4"
+    is-glob "^4.0.0"
+    json-stable-stringify-without-jsonify "^1.0.1"
+    minimatch "^10.2.4"
+    natural-compare "^1.4.0"
+    optionator "^0.9.3"
+
+espree@^10.4.0:
+  version "10.4.0"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-10.4.0.tgz#d54f4949d4629005a1fa168d937c3ff1f7e2a837"
+  integrity sha512-j6PAQ2uUr79PZhBjP5C5fhl8e39FmRnOjsD5lGnWrFU8i2G776tBK7+nP8KuQUTTyAZUwfQqXAgrVH5MbH9CYQ==
+  dependencies:
+    acorn "^8.15.0"
+    acorn-jsx "^5.3.2"
+    eslint-visitor-keys "^4.2.1"
+
+espree@^11.2.0:
+  version "11.2.0"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-11.2.0.tgz#01d5e47dc332aaba3059008362454a8cc34ccaa5"
+  integrity sha512-7p3DrVEIopW1B1avAGLuCSh1jubc01H2JHc8B4qqGblmg5gI9yumBgACjWo4JlIc04ufug4xJ3SQI8HkS/Rgzw==
+  dependencies:
+    acorn "^8.16.0"
+    acorn-jsx "^5.3.2"
+    eslint-visitor-keys "^5.0.1"
+
+esquery@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.7.0.tgz#08d048f261f0ddedb5bae95f46809463d9c9496d"
+  integrity sha512-Ap6G0WQwcU/LHsvLwON1fAQX9Zp0A2Y6Y/cJBl9r/JbW90Zyg4/zbG6zzKa2OTALELarYHmKu0GhpM5EO+7T0g==
+  dependencies:
+    estraverse "^5.1.0"
+
+esrecurse@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.3.0.tgz#7ad7964d679abb28bee72cec63758b1c5d2c9921"
+  integrity sha512-KmfKL3b6G+RXvP8N1vr3Tq1kL/oCFgn2NYXEtqP8/L3pKapUA4G8cFVaoF3SU323CD4XypR/ffioHmkti6/Tag==
+  dependencies:
+    estraverse "^5.2.0"
+
+estraverse@^5.1.0, estraverse@^5.2.0, estraverse@^5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.3.0.tgz#2eea5290702f26ab8fe5370370ff86c965d21123"
+  integrity sha512-MMdARuVEQziNTeJD8DgMqmhwR11BRQ/cBP+pLtYdSTnf3MIO8fFeiINEbX36ZdNlfU/7A9f3gUw49B3oQsvwBA==
+
+esutils@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+  integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
+
+fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+  integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
+
+fast-levenshtein@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+  integrity sha512-DCXu6Ifhqcks7TZKY3Hxp3y6qphY5SJZmrWMDrKcERSOXWQdMhU9Ig/PYrzyw/ul9jOIyh0N4M0tbC5hodg8dw==
+
+file-entry-cache@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-8.0.0.tgz#7787bddcf1131bffb92636c69457bbc0edd6d81f"
+  integrity sha512-XXTUwCvisa5oacNGRP9SfNtYBNAMi+RPwBFmblZEF7N7swHYQS6/Zfk7SRwx4D5j3CH211YNRco1DEMNVfZCnQ==
+  dependencies:
+    flat-cache "^4.0.0"
+
+find-up-simple@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/find-up-simple/-/find-up-simple-1.0.1.tgz#18fb90ad49e45252c4d7fca56baade04fa3fca1e"
+  integrity sha512-afd4O7zpqHeRyg4PfDQsXmlDe2PfdHtJt6Akt8jOWaApLOZk5JXs6VMR29lz03pRe9mpykrRCYIYxaJYcfpncQ==
+
+find-up@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-5.0.0.tgz#4c92819ecb7083561e4f4a240a86be5198f536fc"
+  integrity sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==
+  dependencies:
+    locate-path "^6.0.0"
+    path-exists "^4.0.0"
+
+flat-cache@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-4.0.1.tgz#0ece39fcb14ee012f4b0410bd33dd9c1f011127c"
+  integrity sha512-f7ccFPK3SXFHpx15UIGyRJ/FJQctuKZ0zVuN3frBo4HnK3cay9VEW0R6yPYFHC0AgqhukPzKjq22t5DmAyqGyw==
+  dependencies:
+    flatted "^3.2.9"
+    keyv "^4.5.4"
+
+flatted@^3.2.9:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.4.2.tgz#f5c23c107f0f37de8dbdf24f13722b3b98d52726"
+  integrity sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==
+
+get-tsconfig@^4.10.1, get-tsconfig@^4.8.1:
+  version "4.13.6"
+  resolved "https://registry.yarnpkg.com/get-tsconfig/-/get-tsconfig-4.13.6.tgz#2fbfda558a98a691a798f123afd95915badce876"
+  integrity sha512-shZT/QMiSHc/YBLxxOkMtgSid5HFoauqCE3/exfsEcwg1WkeqjG+V40yBbBrsD+jW2HDXcs28xOfcbm2jI8Ddw==
+  dependencies:
+    resolve-pkg-maps "^1.0.0"
+
+glob-parent@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-6.0.2.tgz#6d237d99083950c79290f24c7642a3de9a28f9e3"
+  integrity sha512-XxwI8EOhVQgWp6iDL+3b0r86f4d6AX6zSU55HfB4ydCEuXLXc5FcYeOu+nnGftS4TEju/11rt4KJPTMgbfmv4A==
+  dependencies:
+    is-glob "^4.0.3"
+
+globals@^15.11.0:
+  version "15.15.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-15.15.0.tgz#7c4761299d41c32b075715a4ce1ede7897ff72a8"
+  integrity sha512-7ACyT3wmyp3I61S4fG682L0VA2RGD9otkqGJIwNUMF1SWUombIIk+af1unuDYgMm082aHYwD+mzJvv9Iu8dsgg==
+
+globals@^16.4.0:
+  version "16.5.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-16.5.0.tgz#ccf1594a437b97653b2be13ed4d8f5c9f850cac1"
+  integrity sha512-c/c15i26VrJ4IRt5Z89DnIzCGDn9EcebibhAOjw5ibqEHsE1wLUgkPn9RDmNcUKyU87GeaL633nyJ+pplFR2ZQ==
+
+globals@^17.7.0:
+  version "17.7.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-17.7.0.tgz#553d55090b4dde8209ec2da42580d6e7e7d8b10d"
+  integrity sha512-Czmyns5dUsq4seFBR/Kdydhmo8y9kC79hiSkPn0YcGtNnYWnrgt0vjrSjx9tspoDGWm2CMarffRuLjM4xUz8xg==
+
+globrex@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/globrex/-/globrex-0.1.2.tgz#dd5d9ec826232730cd6793a5e33a9302985e6098"
+  integrity sha512-uHJgbwAMwNFf5mLst7IWLNg14x1CkeqglJb/K3doi4dw6q2IvAAmM/Y81kevy83wP+Sst+nutFTYOGg3d1lsxg==
+
+graceful-fs@^4.2.4:
+  version "4.2.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.11.tgz#4183e4e8bf08bb6e05bbb2f7d2e0c8f712ca40e3"
+  integrity sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==
+
+ignore@^5.2.0, ignore@^5.3.2:
+  version "5.3.2"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.3.2.tgz#3cd40e729f3643fd87cb04e50bf0eb722bc596f5"
+  integrity sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==
+
+imurmurhash@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
+  integrity sha512-JmXMZ6wuvDmLiHEml9ykzqO6lwFbof0GG4IkcGaENdCRDDmMVnny7s5HsIgHCbaq0w2MyPhDqkhTUgS2LU2PHA==
+
+indent-string@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-5.0.0.tgz#4fd2980fccaf8622d14c64d694f4cf33c81951a5"
+  integrity sha512-m6FAo/spmsW2Ab2fU35JTYwtOKa2yAwXSwgjSv1TJzh4Mh7mC3lzAOVLBprb72XsTrgkEIsl7YrFNAiDiRhIGg==
+
+is-builtin-module@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-5.0.0.tgz#19df4b9c7451149b68176b0e06d18646db6308dd"
+  integrity sha512-f4RqJKBUe5rQkJ2eJEJBXSticB3hGbN9j0yxxMQFqIW89Jp9WYFtzfTcRlstDKVUTRzSOTLKRfO9vIztenwtxA==
+  dependencies:
+    builtin-modules "^5.0.0"
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==
+
+is-glob@^4.0.0, is-glob@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.3.tgz#64f61e42cbbb2eec2071a9dac0b28ba1e65d5084"
+  integrity sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==
+  dependencies:
+    is-extglob "^2.1.1"
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+  integrity sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==
+
+jsesc@^3.1.0, jsesc@~3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-3.1.0.tgz#74d335a234f67ed19907fdadfac7ccf9d409825d"
+  integrity sha512-/sM3dO2FOzXjKQhJuo0Q173wf2KOo8t4I8vHy6lF9poUp7bKT0/NHE8fPX23PwfhnykfqnC2xRxOnVw5XuGIaA==
+
+json-buffer@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.1.tgz#9338802a30d3b6605fbe0613e094008ca8c05a13"
+  integrity sha512-4bV5BfR2mqfQTJm+V5tPPdf+ZpuhiIvTuAB5g8kcrXOZpTT/QwwVRWBywX1ozr6lEuPdbHxwaJlm9G6mI2sfSQ==
+
+json-schema-traverse@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+  integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
+
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+  integrity sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==
+
+keyv@^4.5.4:
+  version "4.5.4"
+  resolved "https://registry.yarnpkg.com/keyv/-/keyv-4.5.4.tgz#a879a99e29452f942439f2a405e3af8b31d4de93"
+  integrity sha512-oxVHkHR/EJf2CNXnWxRLW6mg7JyCCUcG0DtEGmL2ctUo1PNTin1PUil+r/+4r5MpVgC/fn1kjsx7mjSujKqIpw==
+  dependencies:
+    json-buffer "3.0.1"
+
+levn@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.4.1.tgz#ae4562c007473b932a6200d403268dd2fffc6ade"
+  integrity sha512-+bT2uH4E5LGE7h/n3evcS/sQlJXCpIp6ym8OWJ5eV6+67Dsql/LaaT7qJBAt2rzfoa/5QBGBhxDix1dMt2kQKQ==
+  dependencies:
+    prelude-ls "^1.2.1"
+    type-check "~0.4.0"
+
+locate-path@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-6.0.0.tgz#55321eb309febbc59c4801d931a72452a681d286"
+  integrity sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==
+  dependencies:
+    p-locate "^5.0.0"
+
+minimatch@^10.2.4, "minimatch@^9.0.3 || ^10.1.2":
+  version "10.2.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.4.tgz#465b3accbd0218b8281f5301e27cedc697f96fde"
+  integrity sha512-oRjTw/97aTBN0RHbYCdtF1MQfvusSIBQM0IZEgzl6426+8jSC0nF1a/GmnVLpfB9yyr6g6FTqWqiZVbxrtaCIg==
+  dependencies:
+    brace-expansion "^5.0.2"
+
+ms@^2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
+
+napi-postinstall@^0.3.0:
+  version "0.3.4"
+  resolved "https://registry.yarnpkg.com/napi-postinstall/-/napi-postinstall-0.3.4.tgz#7af256d6588b5f8e952b9190965d6b019653bbb9"
+  integrity sha512-PHI5f1O0EP5xJ9gQmFGMS6IZcrVvTjpXjz7Na41gTE7eE2hK11lg04CECCYEEjdc17EV4DO+fkGEtt7TpTaTiQ==
+
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+  integrity sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==
+
+node-releases@^2.0.27:
+  version "2.0.36"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.36.tgz#99fd6552aaeda9e17c4713b57a63964a2e325e9d"
+  integrity sha512-TdC8FSgHz8Mwtw9g5L4gR/Sh9XhSP/0DEkQxfEFXOpiul5IiHgHan2VhYYb6agDSfp4KuvltmGApc8HMgUrIkA==
+
+optionator@^0.9.3:
+  version "0.9.4"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.9.4.tgz#7ea1c1a5d91d764fb282139c88fe11e182a3a734"
+  integrity sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==
+  dependencies:
+    deep-is "^0.1.3"
+    fast-levenshtein "^2.0.6"
+    levn "^0.4.1"
+    prelude-ls "^1.2.1"
+    type-check "^0.4.0"
+    word-wrap "^1.2.5"
+
+p-limit@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-3.1.0.tgz#e1daccbe78d0d1388ca18c64fea38e3e57e3706b"
+  integrity sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==
+  dependencies:
+    yocto-queue "^0.1.0"
+
+p-locate@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-5.0.0.tgz#83c8315c6785005e3bd021839411c9e110e6d834"
+  integrity sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==
+  dependencies:
+    p-limit "^3.0.2"
+
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
+path-key@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/path-key/-/path-key-3.1.1.tgz#581f6ade658cbba65a0d3380de7753295054f375"
+  integrity sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==
+
+picocolors@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
+  integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
+
+picomatch@^4.0.2, picomatch@^4.0.3:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-4.0.4.tgz#fd6f5e00a143086e074dffe4c924b8fb293b0589"
+  integrity sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==
+
+pluralize@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-8.0.0.tgz#1a6fa16a38d12a1901e0320fa017051c539ce3b1"
+  integrity sha512-Nc3IT5yHzflTfbjgqWcCPpo7DaKy4FnpB0l/zCAW0Tc7jxAiuqSxHasntB3D7887LSrA93kDJ9IXovxJYxyLCA==
+
+prelude-ls@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
+  integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
+
+punycode@^2.1.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.3.1.tgz#027422e2faec0b25e1549c3e1bd8309b9133b6e5"
+  integrity sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==
+
+regexp-tree@^0.1.27:
+  version "0.1.27"
+  resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.27.tgz#2198f0ef54518ffa743fe74d983b56ffd631b6cd"
+  integrity sha512-iETxpjK6YoRWJG5o6hXLwvjYAoW+FEZn9os0PD/b6AP6xQwsa/Y7lCVgIixBbUPMfhu+i2LtdeAqVTgGlQarfA==
+
+regjsparser@^0.13.0:
+  version "0.13.0"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.13.0.tgz#01f8351335cf7898d43686bc74d2dd71c847ecc0"
+  integrity sha512-NZQZdC5wOE/H3UT28fVGL+ikOZcEzfMGk/c3iN9UGxzWHMa1op7274oyiUVrAG4B2EuFhus8SvkaYnhvW92p9Q==
+  dependencies:
+    jsesc "~3.1.0"
+
+resolve-pkg-maps@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz#616b3dc2c57056b5588c31cdf4b3d64db133720f"
+  integrity sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw==
+
+semver@^7.5.4, semver@^7.6.3, semver@^7.7.2, semver@^7.7.3:
+  version "7.7.4"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.7.4.tgz#28464e36060e991fa7a11d0279d2d3f3b57a7e8a"
+  integrity sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==
+
+shebang-command@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-2.0.0.tgz#ccd0af4f8835fbdc265b82461aaf0c36663f34ea"
+  integrity sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==
+  dependencies:
+    shebang-regex "^3.0.0"
+
+shebang-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-3.0.0.tgz#ae16f1644d873ecad843b0307b143362d4c42172"
+  integrity sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==
+
+stable-hash-x@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/stable-hash-x/-/stable-hash-x-0.2.0.tgz#dfd76bfa5d839a7470125c6a6b3c8b22061793e9"
+  integrity sha512-o3yWv49B/o4QZk5ZcsALc6t0+eCelPc44zZsLtCQnZPDwFpDYSWcDnrv2TtMmMbQ7uKo3J0HTURCqckw23czNQ==
+
+strip-indent@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-4.1.1.tgz#aba13de189d4ad9a17f6050e76554ac27585c7af"
+  integrity sha512-SlyRoSkdh1dYP0PzclLE7r0M9sgbFKKMFXpFRUMNuKhQSbC6VQIGzq3E0qsfvGJaUFJPGv6Ws1NZ/haTAjfbMA==
+
+tapable@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/tapable/-/tapable-2.3.0.tgz#7e3ea6d5ca31ba8e078b560f0d83ce9a14aa8be6"
+  integrity sha512-g9ljZiwki/LfxmQADO3dEY1CbpmXT5Hm2fJ+QaGKwSXUylMybePR7/67YW7jOrrvjEgL1Fmz5kzyAjWVWLlucg==
+
+ts-declaration-location@^1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/ts-declaration-location/-/ts-declaration-location-1.0.7.tgz#d4068fe9975828b3b453b3ab112b4711d8267688"
+  integrity sha512-EDyGAwH1gO0Ausm9gV6T2nUvBgXT5kGoCMJPllOaooZ+4VvJiKBdZE7wK18N1deEowhcUptS+5GXZK8U/fvpwA==
+  dependencies:
+    picomatch "^4.0.2"
+
+tslib@^2.4.0:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.8.1.tgz#612efe4ed235d567e8aba5f2a5fab70280ade83f"
+  integrity sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==
+
+type-check@^0.4.0, type-check@~0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.4.0.tgz#07b8203bfa7056c0657050e3ccd2c37730bab8f1"
+  integrity sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==
+  dependencies:
+    prelude-ls "^1.2.1"
+
+unrs-resolver@^1.9.2:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/unrs-resolver/-/unrs-resolver-1.11.1.tgz#be9cd8686c99ef53ecb96df2a473c64d304048a9"
+  integrity sha512-bSjt9pjaEBnNiGgc9rUiHGKv5l4/TGzDmYw3RhnkJGtLhbnnA/5qJj7x3dNDCRx/PJxu774LlH8lCOlB4hEfKg==
+  dependencies:
+    napi-postinstall "^0.3.0"
+  optionalDependencies:
+    "@unrs/resolver-binding-android-arm-eabi" "1.11.1"
+    "@unrs/resolver-binding-android-arm64" "1.11.1"
+    "@unrs/resolver-binding-darwin-arm64" "1.11.1"
+    "@unrs/resolver-binding-darwin-x64" "1.11.1"
+    "@unrs/resolver-binding-freebsd-x64" "1.11.1"
+    "@unrs/resolver-binding-linux-arm-gnueabihf" "1.11.1"
+    "@unrs/resolver-binding-linux-arm-musleabihf" "1.11.1"
+    "@unrs/resolver-binding-linux-arm64-gnu" "1.11.1"
+    "@unrs/resolver-binding-linux-arm64-musl" "1.11.1"
+    "@unrs/resolver-binding-linux-ppc64-gnu" "1.11.1"
+    "@unrs/resolver-binding-linux-riscv64-gnu" "1.11.1"
+    "@unrs/resolver-binding-linux-riscv64-musl" "1.11.1"
+    "@unrs/resolver-binding-linux-s390x-gnu" "1.11.1"
+    "@unrs/resolver-binding-linux-x64-gnu" "1.11.1"
+    "@unrs/resolver-binding-linux-x64-musl" "1.11.1"
+    "@unrs/resolver-binding-wasm32-wasi" "1.11.1"
+    "@unrs/resolver-binding-win32-arm64-msvc" "1.11.1"
+    "@unrs/resolver-binding-win32-ia32-msvc" "1.11.1"
+    "@unrs/resolver-binding-win32-x64-msvc" "1.11.1"
+
+update-browserslist-db@^1.2.0:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.2.3.tgz#64d76db58713136acbeb4c49114366cc6cc2e80d"
+  integrity sha512-Js0m9cx+qOgDxo0eMiFGEueWztz+d4+M3rGlmKPT+T4IS/jP4ylw3Nwpu6cpTTP8R1MAC1kF4VbdLt3ARf209w==
+  dependencies:
+    escalade "^3.2.0"
+    picocolors "^1.1.1"
+
+uri-js@^4.2.2:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
+  dependencies:
+    punycode "^2.1.0"
+
+which@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"
+  integrity sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==
+  dependencies:
+    isexe "^2.0.0"
+
+word-wrap@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/word-wrap/-/word-wrap-1.2.5.tgz#d2c45c6dd4fbce621a66f136cbe328afd0410b34"
+  integrity sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==
+
+yocto-queue@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
+  integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==