Alex Newman
f38b5b85bc
* docs: add investigation reports for 5 open GitHub issues Comprehensive analysis of issues #543, #544, #545, #555, and #557: - #557: settings.json not generated, module loader error (node/bun mismatch) - #555: Windows hooks not executing, hasIpc always false - #545: formatTool crashes on non-JSON tool_input strings - #544: mem-search skill hint shown incorrectly to Claude Code users - #543: /claude-mem slash command unavailable despite installation Each report includes root cause analysis, affected files, and proposed fixes. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix(logger): handle non-JSON tool_input in formatTool (#545) Wrap JSON.parse in try-catch to handle raw string inputs (e.g., Bash commands) that aren't valid JSON. Falls back to using the string as-is. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix(context): update mem-search hint to reference MCP tools (#544) Update hint messages to reference MCP tools (search, get_observations) instead of the deprecated "mem-search skill" terminology. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix(settings): auto-create settings.json on first load (#557, #543) When settings.json doesn't exist, create it with defaults instead of returning in-memory defaults. Creates parent directory if needed. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix(hooks): use bun runtime for hooks except smart-install (#557) Change hook commands from node to bun since hooks use bun:sqlite. Keep smart-install.js on node since it bootstraps bun installation. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * chore: rebuild plugin scripts * docs: clarify that build artifacts must be committed * fix(docs): update build artifacts directory reference in CLAUDE.md * test: add test coverage for PR #558 fixes - Fix 2 failing tests: update "mem-search skill" → "MCP tools" expectations - Add 56 tests for formatTool() JSON.parse crash fix (Issue #545) - Add 27 tests for settings.json auto-creation (Issue #543) Test coverage includes: - formatTool: JSON parsing, raw strings, objects, null/undefined, all tool types - Settings: file creation, directory creation, schema migration, edge cases 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix(tests): clean up flaky tests and fix circular dependency Phase 1 of test quality improvements: - Delete 6 harmful/worthless test files that used problematic mock.module() patterns or tested implementation details rather than behavior: - context-builder.test.ts (tested internal implementation) - export-types.test.ts (fragile mock patterns) - smart-install.test.ts (shell script testing antipattern) - session_id_refactor.test.ts (outdated, tested refactoring itself) - validate_sql_update.test.ts (one-time migration validation) - observation-broadcaster.test.ts (excessive mocking) - Fix circular dependency between logger.ts and SettingsDefaultsManager.ts by using late binding pattern - logger now lazily loads settings - Refactor mock.module() to spyOn() in several test files for more maintainable and less brittle tests: - observation-compiler.test.ts - gemini_agent.test.ts - error-handler.test.ts - server.test.ts - response-processor.test.ts All 649 tests pass. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * refactor(tests): phase 2 - reduce mock-heavy tests and improve focus - Remove mock-heavy query tests from observation-compiler.test.ts, keep real buildTimeline tests - Convert session_id_usage_validation.test.ts from 477 to 178 lines of focused smoke tests - Remove tests for language built-ins from worker-spawn.test.ts (JSON.parse, array indexing) - Rename logger-coverage.test.ts to logger-usage-standards.test.ts for clarity 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * docs(tests): phase 3 - add JSDoc mock justification to test files Document mock usage rationale in 5 test files to improve maintainability: - error-handler.test.ts: Express req/res mocks, logger spies (~11%) - fallback-error-handler.test.ts: Zero mocks, pure function tests - session-cleanup-helper.test.ts: Session fixtures, worker mocks (~19%) - hook-constants.test.ts: process.platform mock for Windows tests (~12%) - session_store.test.ts: Zero mocks, real SQLite :memory: database Part of ongoing effort to document mock justifications per TESTING.md guidelines. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * test(integration): phase 5 - add 72 tests for critical coverage gaps Add comprehensive test coverage for previously untested areas: - tests/integration/hook-execution-e2e.test.ts (10 tests) Tests lifecycle hooks execution flow and context propagation - tests/integration/worker-api-endpoints.test.ts (19 tests) Tests all worker service HTTP endpoints without heavy mocking - tests/integration/chroma-vector-sync.test.ts (16 tests) Tests vector embedding synchronization with ChromaDB - tests/utils/tag-stripping.test.ts (27 tests) Tests privacy tag stripping utilities for both <private> and <meta-observation> tags All tests use real implementations where feasible, following the project's testing philosophy of preferring integration-style tests over unit tests with extensive mocking. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * context update * docs: add comment linking DEFAULT_DATA_DIR locations Added NOTE comment in logger.ts pointing to the canonical DEFAULT_DATA_DIR in SettingsDefaultsManager.ts. This addresses PR reviewer feedback about the fragility of having the default defined in two places to avoid circular dependencies. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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Claude-Mem: AI Development Instructions
Claude-mem is a Claude Code plugin providing persistent memory across sessions. It captures tool usage, compresses observations using the Claude Agent SDK, and injects relevant context into future sessions.
Architecture
5 Lifecycle Hooks: SessionStart → UserPromptSubmit → PostToolUse → Summary → SessionEnd
Hooks (src/hooks/*.ts) - TypeScript → ESM, built to plugin/scripts/*-hook.js
Worker Service (src/services/worker-service.ts) - Express API on port 37777, Bun-managed, handles AI processing asynchronously
Database (src/services/sqlite/) - SQLite3 at ~/.claude-mem/claude-mem.db
Search Skill (plugin/skills/mem-search/SKILL.md) - HTTP API for searching past work, auto-invoked when users ask about history
Chroma (src/services/sync/ChromaSync.ts) - Vector embeddings for semantic search
Viewer UI (src/ui/viewer/) - React interface at http://localhost:37777, built to plugin/ui/viewer.html
Privacy Tags
Dual-Tag System for meta-observation control:
<private>content</private>- User-level privacy control (manual, prevents storage)- `` - System-level tag (auto-injected observations, prevents recursive storage)
Implementation: Tag stripping happens at hook layer (edge processing) before data reaches worker/database. See src/utils/tag-stripping.ts for shared utilities.
Build Commands
npm run build-and-sync # Build, sync to marketplace, restart worker
Configuration
Settings are managed in ~/.claude-mem/settings.json. The file is auto-created with defaults on first run.
File Locations
- Source:
<project-root>/src/ - Built Plugin:
<project-root>/plugin/ - Installed Plugin:
~/.claude/plugins/marketplaces/thedotmack/ - Database:
~/.claude-mem/claude-mem.db - Chroma:
~/.claude-mem/chroma/
Requirements
- Bun (all platforms - auto-installed if missing)
- uv (all platforms - auto-installed if missing, provides Python for Chroma)
- Node.js
Documentation
Public Docs: https://docs.claude-mem.ai (Mintlify)
Source: docs/public/ - MDX files, edit docs.json for navigation
Deploy: Auto-deploys from GitHub on push to main
Pro Features Architecture
Claude-mem is designed with a clean separation between open-source core functionality and optional Pro features.
Open-Source Core (this repository):
- All worker API endpoints on localhost:37777 remain fully open and accessible
- Pro features are headless - no proprietary UI elements in this codebase
- Pro integration points are minimal: settings for license keys, tunnel provisioning logic
- The architecture ensures Pro features extend rather than replace core functionality
Pro Features (coming soon, external):
- Enhanced UI (Memory Stream) connects to the same localhost:37777 endpoints as the open viewer
- Additional features like advanced filtering, timeline scrubbing, and search tools
- Access gated by license validation, not by modifying core endpoints
- Users without Pro licenses continue using the full open-source viewer UI without limitation
This architecture preserves the open-source nature of the project while enabling sustainable development through optional paid features.
Important
- Always commit build artifacts in
plugin/- the plugin must work out of the box without requiring users to build from source - No need to edit the changelog ever, it's generated automatically.