diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..ee89780
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,2 @@
+node_modules
+pnpm-lock.yaml
diff --git a/.prettierrc.json b/.prettierrc.json
new file mode 100644
index 0000000..cd45633
--- /dev/null
+++ b/.prettierrc.json
@@ -0,0 +1,3 @@
+{
+	"proseWrap": "preserve"
+}
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..fe6bc7a
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,3 @@
+{
+	"recommendations": ["biomejs.biome", "esbenp.prettier-vscode"]
+}
diff --git a/README.md b/README.md
index 7573c7d..72c3e7d 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,10 @@ Reusable GitHub Actions for Sourcegraph repositories.
 
 ## Available Actions
 
-| Action | Description |
-|--------|-------------|
-| [go-setup](./go-setup) | Setup Go with private Sourcegraph repository access |
-| [diff-tour](./diff-tour) | Generate a link to the Diff Tour for a PR |
+| Action                   | Description                                         |
+| ------------------------ | --------------------------------------------------- |
+| [go-setup](./go-setup)   | Setup Go with private Sourcegraph repository access |
+| [diff-tour](./diff-tour) | Generate a link to the Diff Tour for a PR           |
 
 ## Usage
 
diff --git a/go-setup/README.md b/go-setup/README.md
index 52788cb..1c20c6d 100644
--- a/go-setup/README.md
+++ b/go-setup/README.md
@@ -14,10 +14,10 @@ steps:
 
 ## Inputs
 
-| Input | Required | Default | Description |
-|-------|----------|---------|-------------|
-| `private-token` | Yes | - | Token for accessing private Sourcegraph repos |
-| `go-version-file` | No | `go.mod` | Path to go.mod or go.work file to determine Go version |
+| Input             | Required | Default  | Description                                            |
+| ----------------- | -------- | -------- | ------------------------------------------------------ |
+| `private-token`   | Yes      | -        | Token for accessing private Sourcegraph repos          |
+| `go-version-file` | No       | `go.mod` | Path to go.mod or go.work file to determine Go version |
 
 ## What it does
 
diff --git a/go-setup/action.yml b/go-setup/action.yml
index 7354414..8a8ec94 100644
--- a/go-setup/action.yml
+++ b/go-setup/action.yml
@@ -1,26 +1,26 @@
-name: 'Go Setup'
-description: 'Setup Go with private Sourcegraph repo access'
+name: "Go Setup"
+description: "Setup Go with private Sourcegraph repo access"
 
 inputs:
   go-version:
-    description: 'Go version to use (overrides go-version-file if set)'
+    description: "Go version to use (overrides go-version-file if set)"
     required: false
-    default: ''
+    default: ""
   go-version-file:
-    description: 'Path to go.mod or go.work file to determine Go version'
+    description: "Path to go.mod or go.work file to determine Go version"
     required: false
-    default: 'go.mod'
+    default: "go.mod"
   private-token:
-    description: 'Token for accessing private Sourcegraph repos'
+    description: "Token for accessing private Sourcegraph repos"
     required: false
-    default: ''
+    default: ""
   goprivate:
-    description: 'Comma-separated list of module path prefixes for GOPRIVATE'
+    description: "Comma-separated list of module path prefixes for GOPRIVATE"
     required: false
-    default: ''
+    default: ""
 
 runs:
-  using: 'composite'
+  using: "composite"
   steps:
     - name: Install Go
       uses: actions/setup-go@v5