Matrix Gateway:
- GET /internal/matrix/presence/{matrix_user_id} - get single user presence
- GET /internal/matrix/presence/bulk - get multiple users presence
City Service:
- GET /api/v1/agents/{agent_id}/presence - get agent presence via gateway
- get_matrix_presence_for_user() helper function
Task doc: TASK_PHASE_PRESENCE_LAYER_v1.md
- Add migration 013_city_map_coordinates.sql with map coordinates, zones, and agents table
- Add /city/map API endpoint in city-service
- Add /city/agents and /city/agents/online endpoints
- Extend presence aggregator to include agents[] in snapshot
- Add AgentsSource for fetching agent data from DB
- Create CityMap component with interactive room tiles
- Add useCityMap hook for fetching map data
- Update useGlobalPresence to include agents
- Add map/list view toggle on /city page
- Add agent badges to room cards and map tiles
- matrix-gateway: POST /internal/matrix/presence/online endpoint
- usePresenceHeartbeat hook with activity tracking
- Auto away after 5 min inactivity
- Offline on page close/visibility change
- Integrated in MatrixChatRoom component