NOT

# iMessage Sync Implementation Notes

## Date: 2026-05-03

## Completed Tasks

### 1. Database Migration
- Created Alembic migration `backend/app/alembic/versions/add_imessage_fields.py`
- Added the following columns to the `contact` table:
  - `imessage_id` (String(500)) - E.164 phone or email for stable iMessage identity
  - `imessage_synced_at` (DateTime with timezone) - Last sync timestamp
  - `imessage_profile_hash` (String(64)) - Hash for idempotent updates
  - `imessage_profile` (JSON) - Raw iMessage profile data
- Added index on `imessage_id` for faster lookups

### 2. Model Updates
- Updated `backend/app/models.py`:
  - Added iMessage fields to `Contact` model
  - Added iMessage fields to `ContactPublic` response model

### 3. API Endpoints
- Updated `backend/app/api/routes/contacts.py`:
  - Added `IMessageProfilePayload` - Input model for iMessage profile data
  - Added `IMessageSyncRequest` - Request model for bulk sync
  - Added `IMessageSyncResult` - Response model for sync results
  - Added `IMessageProfileResponse` - Response model for single profile
  - Added `POST /api/contacts/imessage-sync` endpoint:
    - Performs idempotent upsert matching by `imessage_id`
    - Updates only if `profile_hash` changed
    - Creates new contacts if not found
    - Handles co-mention edges as relationships (optional)
  - Added `GET /api/contacts/{contact_id}/imessage-profile` endpoint:
    - Returns raw iMessage profile data for UI display

## Pending Tasks

### Backend Container Not Running
- The backend container for this worktree (`dirac-imessage-sync`) is not currently running
- Cannot apply the Alembic migration `add_imessage_fields` to the database
- Cannot run `pytest` to verify the implementation

### Frontend Tasks (Not Started)
- Add "iMessage data" section in contact detail view showing message stats + pattern_notes
- Add social graph visualization powered by `social.json` edge data
- Expose sync status in contact list (badge/icon for contacts with iMessage enrichment)

## Next Steps
1. Start the worktree's Docker containers (requires `just up` or equivalent)
2. Apply the migration: `docker compose exec backend uv run alembic upgrade head`
3. Run tests: `docker compose exec -T backend uv run pytest -x -q`
4. Implement frontend components for iMessage data display

## Testing Notes
- Syntax verification passed for:
  - `backend/app/alembic/versions/add_imessage_fields.py`
  - `backend/app/api/routes/contacts.py`