feat(integrations): add Claude Code hooks CLI - #34
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Could you please isolate the changes in this PR and keep it focused only on the Claude Code hook integration? At the moment, the PR also contains unrelated PCB design changes, which makes the review harder and mixes separate concerns. Those changes should be moved to a separate PR. For the Claude Code hook integration, I would prefer using Node.js instead of Bash scripts, following the same pattern we already use for the Cursor and Antigravity integrations. This should help keep the implementation consistent and make it work well across different platforms. Thanks! |
Adds packages/tiny-engineer-claude-code, a Node CLI in the same shape as the Cursor and Antigravity packages: Claude Code pipes hook JSON on stdin, map.js picks a pose from hook_event_name (plus tool_name, source or reason where they matter), post.js POSTs /anim. .claude/settings.json runs the same command for every event. - SessionStart: startup -> welcome; resume/clear/compact/fork -> wakeup - SessionEnd -> sleep, skipped for clear/resume: the SessionStart that follows owns the pose, and a sleep posted alongside it makes the robot drop the wakeup - UserPromptSubmit -> reading - PreToolUse: Read/Grep/Glob/WebFetch/WebSearch -> reading; Bash/PowerShell/Edit/Write/NotebookEdit -> typing; other tools skipped - SubagentStart, PostToolBatch, PreCompact -> thinking - PermissionRequest, Notification -> attention; PermissionDenied -> abort - PostToolUseFailure, StopFailure -> error; Stop -> ring - Hooks are "async": true so an offline robot never stalls a tool call - Nothing is written to stdout: Claude Code adds SessionStart and UserPromptSubmit hook stdout to the model's context - Exits right after the POST: a timed-out fetch otherwise keeps Node alive until undici's 10s connect timeout, and async hooks have no timeout - .env is read from CLAUDE_PROJECT_DIR, since hooks can run from a subdirectory Adds the package to CI and documents it as path 4 in docs/integration.md. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018KvgrPxtooRueC4L1skTua
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Included review availability: Your plan provides up to 2 included reviews per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe pull request adds a Claude Code hook package. It reads lifecycle events, maps them to animations, posts them to Tiny Engineer, configures asynchronous hooks, documents setup, and adds CI test coverage. ChangesClaude Code integration
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Merge Risk: 🟡 Moderate · up to Authenticated hooks can transmit bearer credentials over cleartext HTTP when no explicit URL is configured. Address or explicitly accept this exposure before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 12 functions across 7 files. (1 skipped: 1 unsupported.)
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jtruland
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In `@packages/tiny-engineer-claude-code/src/cli.js`:
- Around line 99-133: Update run and the environment-loading flow so a
preexisting TINY_ENGINEER_TOKEN prevents TINY_ENGINEER_URL from being loaded
from the project .env; continue using a trusted URL or getBaseUrl() default
before calling postAnim, while preserving normal .env loading when the token is
not inherited.
In `@packages/tiny-engineer-claude-code/src/post.js`:
- Line 16: Update the request setup around getBaseUrl and the Authorization
header so a token is never sent to a non-HTTPS URL: reject or fail before
assigning Authorization when token is set and the base URL is not HTTPS, and
configure the authenticated device endpoint to use an HTTPS URL.
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.claude/settings.json.github/workflows/ci.ymldocs/integration.mdpackages/tiny-engineer-claude-code/bin/tiny-engineer-claude-code.jspackages/tiny-engineer-claude-code/package.jsonpackages/tiny-engineer-claude-code/src/cli.jspackages/tiny-engineer-claude-code/src/env.jspackages/tiny-engineer-claude-code/src/map.jspackages/tiny-engineer-claude-code/src/post.jspackages/tiny-engineer-claude-code/test/map.test.js
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loadDotEnv filled every unset key from the project .env, so with TINY_ENGINEER_TOKEN exported in the shell, a project's .env could set TINY_ENGINEER_URL and receive the token. When the token is inherited, the .env no longer sets the URL. A .env that supplies both still works, and a URL from the env or --url still wins. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018KvgrPxtooRueC4L1skTua
jamro
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Scope for packages is now |
2 participants
What
Claude Code hook integration, reworked per review: the PCB changes are gone from this branch (they live in #32), and the Bash hook is replaced by
packages/tiny-engineer-claude-code, a Node CLI that follows the Cursor/Antigravity package structure.bin/+src/cli.js,env.js,map.js,post.js;node:testtests, added to CI.claude/settings.jsonruns one command for every hook event;map.jspicks the pose"async": true, so an offline robot never stalls a tool callSessionStart/UserPromptSubmithook stdout to the model's contextdocs/integration.mdsection 4 documents the mapping and setupSessionStart(startup)welcomeSessionStart(resume,clear,compact,fork)wakeupSessionEnd(skipped forclear/resume)sleepUserPromptSubmitreadingPreToolUseRead / Grep / Glob / WebFetch / WebSearchreadingPreToolUseBash / PowerShell / Edit / Write / NotebookEdittypingSubagentStart,PostToolBatch,PreCompactthinkingPermissionRequest,NotificationattentionPermissionDeniedabortPostToolUseFailure,StopFailureerrorStopringTested on a robot: real interactive Claude Code sessions drove welcome, wakeup, sleep, reading, typing, thinking, attention, error and ring.
PermissionDeniedandStopFailureare covered by the tests only. Also run against a mock/animserver for every event.Checks
type(scope): summarynpm test --prefix packages/tiny-engineer-claude-code(7 pass); Cursor and Antigravity packages untouched.env, tokens, or Wi-Fi passwords in logs or screenshots🤖 Generated with Claude Code
https://claude.ai/code/session_018KvgrPxtooRueC4L1skTua
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