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refactor: implement in-process worker architecture for hooks (#722)

Browse Source 
* fix: stop generating empty CLAUDE.md files

- Return empty string instead of "No recent activity" when no observations exist
- Skip writing CLAUDE.md files when formatted content is empty
- Remove redundant "auto-generated by claude-mem" HTML comment
- Clean up 98 existing empty CLAUDE.md files across the codebase
- Update tests to expect empty string for empty input

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* build assets

* refactor: implement in-process worker architecture for hooks

Replaces spawn-based worker startup with in-process architecture:
- Hook processes now become the worker when port 37777 is free
- Eliminates Windows spawn issues (NO SPAWN rule)
- SessionStart chains: smart-install && stop && context

Key changes:
- worker-service.ts: hook case starts WorkerService in-process
- hook-command.ts: skipExit option prevents process.exit() when hosting worker
- hooks.json: single chained command replaces separate start/hook commands
- worker-utils.ts: ensureWorkerRunning() returns boolean, doesn't block
- handlers: graceful fallback when worker unavailable

All 761 tests pass. Manual verification confirms hook stays alive as worker.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* context

* a

* MAESTRO: Mark PR #722 test verification task complete

All 797 tests passed (3 skipped, 0 failed) after merge conflict resolution.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* MAESTRO: Mark PR #722 build verification task complete

* MAESTRO: Mark PR #722 code review task complete

Code review verified:
- worker-service.ts hook case starts WorkerService in-process
- hook-command.ts has skipExit option
- hooks.json uses single chained command
- worker-utils.ts ensureWorkerRunning() returns boolean

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* MAESTRO: Mark PR #722 conflict resolution push task complete

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Alex Newman
2026-02-04 19:49:15 -05:00
committed by GitHub
parent 14ca7cf7d6
commit 4df9f61347
107 changed files with 804 additions and 4493 deletions
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src/hooks/CLAUDE.md
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@@ -1,105 +0,0 @@
<claude-mem-context>
# Recent Activity
<!-- This section is auto-generated by claude-mem. Edit content outside the tags. -->
### Dec 9, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #23126 | 6:40 PM | ✅ | Removed SKIP_TOOLS Check from saveHook Function | ~288 |
| #23125 | " | 🔵 | SKIP_TOOLS Reference Still Present in saveHook Function | ~224 |
| #23124 | " | ✅ | Removed SKIP_TOOLS Constant from save-hook.ts | ~297 |
| #23123 | 6:39 PM | 🔵 | Current SKIP_TOOLS Implementation in save-hook.ts | ~397 |
| #23122 | " | 🔴 | Hardened Spinner Stop Mechanism with Timeout and Logging | ~361 |
| #23121 | " | 🔵 | Current Spinner Stop Implementation in summary-hook.ts | ~348 |
| #23118 | 6:38 PM | ✅ | Phase 6: StopInput Interface Type Safety Restored | ~248 |
| #23117 | 6:37 PM | ✅ | Phase 6: PostToolUseInput Interface Type Safety Restored | ~222 |
| #23116 | " | ✅ | Phase 6: UserPromptSubmitInput Interface Type Safety Restored | ~216 |
| #23115 | " | ✅ | Phase 6: SessionStartInput Interface Type Safety Restored | ~341 |
| #23114 | " | 🔵 | Current State of context-hook.ts Interface | ~409 |
| #23113 | " | 🔵 | Current State of summary-hook.ts Interface and Spinner Stop | ~397 |
| #23112 | " | 🔵 | Current State of save-hook.ts Interface and SKIP_TOOLS | ~395 |
| #23111 | " | 🔵 | Current State of new-hook.ts Interface | ~381 |
| #23076 | 6:27 PM | ✅ | Added Comment Explaining Exit Code 3 in user-message-hook.ts | ~245 |
| #23075 | 6:26 PM | ✅ | Deleted Expired Announcement Code from user-message-hook.ts | ~354 |
| #23074 | " | ✅ | Replaced Verbose Manual Mode Help with Error in cleanup-hook.ts | ~222 |
| #23073 | " | ✅ | Removed cwd from cleanup-hook Debug Logging | ~177 |
### Dec 10, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #23407 | 2:14 PM | 🔵 | New Hook Implementation Structure | ~264 |
### Dec 13, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #25389 | 9:30 PM | 🔴 | Save Hook Error Logging Enhanced With Tool Context | ~361 |
| #25388 | " | 🔴 | New Hook Now Logs SDK Agent Start Errors | ~344 |
| #25387 | 9:29 PM | 🔴 | New Hook Now Logs Session Initialization Errors | ~350 |
| #25386 | " | 🔴 | Context Hook Now Logs Error Text Before Throwing | ~338 |
| #25385 | " | ✅ | Added Logger Import to New Hook | ~249 |
| #25384 | " | ✅ | Added Logger Import to Context Hook | ~223 |
| #25383 | " | 🔵 | New Hook Has Two Silent Failure Points | ~392 |
| #25382 | 9:28 PM | 🔵 | Save Hook Has Partial Error Logging | ~351 |
| #25381 | " | 🔵 | Summary Hook Has Partial Error Logging | ~345 |
| #25380 | " | 🔵 | Context Hook Silent Failure Pattern Confirmed | ~354 |
### Dec 14, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #26730 | 11:24 PM | 🔵 | Context Hook TypeScript Source Shows EnsureWorkerRunning as First Action | ~441 |
| #26729 | " | 🔵 | Context Hook TypeScript Source Calls ensureWorkerRunning Before API Requests | ~411 |
| #26260 | 8:32 PM | 🔵 | User Message Hook Calls Context Inject with colors=true Parameter | ~300 |
| #26244 | 8:29 PM | 🔵 | Context Hook Delegates to Worker API Context Endpoint | ~260 |
| #25692 | 4:24 PM | 🔵 | Summary hook extracts last user and assistant messages from transcript file before sending to worker | ~465 |
### Dec 17, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #28449 | 4:23 PM | 🔵 | New Hook Session Initialization Flow | ~385 |
### Dec 19, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #30105 | 8:11 PM | 🔵 | Hook Response Utility Standardizes Hook Output Format | ~387 |
| #30103 | 8:10 PM | 🔵 | Context Hook Injects Mode-Based Memory Context During SessionStart | ~460 |
### Dec 20, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #31085 | 7:59 PM | 🔵 | Summary Hook Uses session_id from Hook Input | ~315 |
### Dec 27, 2025
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #33216 | 9:07 PM | 🔵 | UserPromptSubmit Hook (new-hook.ts) Initializes Session and Starts SDK Agent via Two HTTP Endpoints | ~735 |
| #33211 | 9:04 PM | 🔵 | User Message Hook Displays Context Info via stderr in Parallel with Context Injection | ~476 |
| #33210 | 9:03 PM | 🔵 | Summary Hook (summary-hook.ts) Extracts Messages and Triggers Summarization | ~479 |
| #33209 | " | 🔵 | SessionStart Hook (context-hook.ts) Fetches Context Injection via HTTP | ~520 |
### Jan 7, 2026
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #38235 | 7:42 PM | ✅ | Deprecated User Message Hook Source File | ~399 |
| #38176 | 7:26 PM | ⚖️ | Plan Created to Merge User Message into Context Hook JSON Output | ~536 |
| #38175 | " | 🔵 | Complete Claude-Mem Hook Output Architecture Documented | ~530 |
| #38174 | " | 🔵 | UserPromptSubmit Hook Initializes Sessions and Strips Slash Commands | ~480 |
| #38173 | 7:25 PM | 🔵 | Standard Hook Response Pattern for Non-SessionStart Hooks | ~343 |
| #38172 | 7:22 PM | 🔵 | Claude Code Hook Output Architecture Clarified - Exit Code Pattern is Correct for User-Only Display | ~523 |
| #38170 | 7:21 PM | 🔵 | User-Message-Hook TypeScript Source Shows Exit Code 1 Strategy for User-Only Display | ~203 |
### Jan 9, 2026
| ID | Time | T | Title | Read |
|----|------|---|-------|------|
| #38783 | 4:59 PM | 🔵 | Standard Hook Response Pattern | ~263 |
</claude-mem-context>