Alex Newman
58a9554bb3
- Created new tables for SDK sessions and observations - Implemented HooksDatabase for CRUD operations - Developed four hook functions: context, new, save, and summary - Added CLI commands for each hook - Established comprehensive test suite with all tests passing feat: Complete Phase 2 implementation with SDK worker process and XML parsing - Developed SDK prompts for initializing and processing observations - Implemented XML parser for SDK responses - Created SDK worker process to handle background observation processing - Verified integration with HooksDatabase and added tests for all components feat: Complete Phase 3 integration with comprehensive testing and validation - Verified all hook functions with database integration - Created integration and end-to-end tests for session lifecycle - Ensured non-blocking operations and performance requirements met - Updated CLI commands for hook architecture and installation flow - Documented success criteria and next steps for real-world testing
135 lines
4.5 KiB
Markdown
135 lines
4.5 KiB
Markdown
# Phase 1 Implementation - Complete ✅
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Phase 1 of the REFACTOR-PLAN.md has been successfully implemented and tested.
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## What Was Implemented
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### 1. Database Schema (Migration 004)
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Created four new tables to support the SDK agent architecture:
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- **`sdk_sessions`** - Tracks SDK streaming sessions
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- **`observation_queue`** - Message queue for pending observations
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- **`observations`** - Stores extracted observations from SDK
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- **`session_summaries`** - Stores structured session summaries
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All tables include proper indexes for performance and foreign key constraints for data integrity.
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### 2. Shared Database Layer
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Created `HooksDatabase` class ([src/services/sqlite/HooksDatabase.ts](src/services/sqlite/HooksDatabase.ts)) that provides:
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- Simple, synchronous database operations for hooks
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- No complex logic - just basic CRUD operations
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- Optimized SQLite settings (WAL mode, foreign keys enabled)
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- Methods for all hook operations:
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- `getRecentSummaries()` - Retrieve session context
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- `createSDKSession()` - Initialize new session
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- `queueObservation()` - Add observation to queue
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- `storeObservation()` - Save SDK observations
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- `storeSummary()` - Save session summaries
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- And more...
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### 3. Hook Functions
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Implemented all four hook functions in [src/hooks/](src/hooks/):
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#### **context.ts** - SessionStart Hook
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- Shows user recent session context on startup
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- Formats summaries in markdown for Claude
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- Exits silently if no context or errors occur
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#### **save.ts** - PostToolUse Hook
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- Queues tool observations for SDK processing
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- Skips low-value tools (TodoWrite, ListMcpResourcesTool)
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- Non-blocking - returns immediately
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#### **new.ts** - UserPromptSubmit Hook
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- Initializes SDK session in database
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- Prepares for SDK worker spawn (TODO in Phase 2)
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- Non-blocking - returns immediately
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#### **summary.ts** - Stop Hook
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- Queues FINALIZE message for SDK
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- Signals SDK to generate session summary
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- Non-blocking - returns immediately
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### 4. CLI Integration
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Added four new commands to [src/bin/cli.ts](src/bin/cli.ts:227-274):
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```bash
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claude-mem context # SessionStart hook
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claude-mem new # UserPromptSubmit hook
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claude-mem save # PostToolUse hook
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claude-mem summary # Stop hook
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```
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All commands read JSON input from stdin and execute the corresponding hook function.
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### 5. Testing
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Created comprehensive test suite ([test-phase1.ts](test-phase1.ts)) that validates:
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- ✅ Database schema migration 004 applied correctly
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- ✅ All four tables exist
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- ✅ SDK session creation and retrieval
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- ✅ Observation queue operations
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- ✅ Observation and summary storage
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- ✅ Session status transitions
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**All tests pass! 🎉**
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## What's Left for Phase 2
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The foundation is complete. Next steps:
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1. **SDK Worker Process** - Implement the background agent that:
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- Polls observation queue
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- Sends observations to Claude SDK
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- Parses XML responses (`<observation>` and `<summary>` blocks)
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- Stores results in database
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2. **SDK Prompts** - Implement the three prompt builders:
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- `buildInitPrompt()` - Initialize SDK agent
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- `buildObservationPrompt()` - Send tool observation
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- `buildFinalizePrompt()` - Request session summary
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3. **Process Management** - Update [src/hooks/new.ts](src/hooks/new.ts:35-42) to spawn SDK worker as detached process
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4. **End-to-End Testing** - Test with real Claude Code session
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## File Changes
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### New Files
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- [src/services/sqlite/HooksDatabase.ts](src/services/sqlite/HooksDatabase.ts) - Shared database layer
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- [src/hooks/context.ts](src/hooks/context.ts) - SessionStart hook
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- [src/hooks/save.ts](src/hooks/save.ts) - PostToolUse hook
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- [src/hooks/new.ts](src/hooks/new.ts) - UserPromptSubmit hook
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- [src/hooks/summary.ts](src/hooks/summary.ts) - Stop hook
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- [src/hooks/index.ts](src/hooks/index.ts) - Exports
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- [test-phase1.ts](test-phase1.ts) - Test suite
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### Modified Files
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- [src/services/sqlite/migrations.ts](src/services/sqlite/migrations.ts:205-315) - Added migration 004
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- [src/services/sqlite/index.ts](src/services/sqlite/index.ts:13) - Exported HooksDatabase
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- [src/bin/cli.ts](src/bin/cli.ts:227-274) - Added hook commands
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## Verification
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To verify Phase 1 implementation:
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```bash
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# Build
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bun run build
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# Run tests
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bun test-phase1.ts
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# Check hook commands exist
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./dist/claude-mem.min.js --help | grep -A 1 'context\|new\|save\|summary'
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```
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All should pass without errors.
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## Next Steps
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Ready to proceed to Phase 2: **SDK Worker Implementation**
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The architecture is sound, the database layer is working, and all hook functions are ready to integrate with the SDK worker process.
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