Add API proxy endpoint so users can access running tool instances
through the backend API instead of internal Docker network.
Backend:
- Add container_name field to ToolInstance model
- Create /instances/{id}/proxy/{path:path} endpoint with ownership checks
- Proxy HTTP requests to containers via docker network using container names
- Support all HTTP methods (GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS)
- Store proxy URL in instance.url instead of localhost
- Add Alembic migration 0007 for container_name column
- Add get_container_name() utility to docker.py
Frontend:
- Update Open button to use full proxy URL (API_BASE_URL + instance.url)
Closes instance-proxy OpenSpec change.
Backend:
- Create ToolInstance model with status tracking
- Add Alembic migration for tool_instances table
- Create Docker service for compose template rendering and container execution
- Add CRUD API endpoints for tool instances
- Add lifecycle endpoints (start/stop/restart)
- Add user sessions endpoint for navigation
- Register routers in main.py
Frontend:
- Create SessionsProvider with React context
- Create sessions API client
- Update AppShell with sessions section in navigation
- Add session status indicators and polling
- Add CSS for session navigation
Quality gates: typecheck ✓, lint ✓, build ✓
Task 2.5: Remove duplicate fixtures from integration tests
- test_auth_api.py, test_auth_services.py, test_models.py
- test_projects_api.py, test_seed.py, test_users_api.py
- Fix npytest typos in all test files
Task 3.2: Update SQLAlchemy configuration for SQLite
- Use generic Uuid type instead of PostgreSQL-specific UUID
- Use generic JSON type instead of PostgreSQL-specific JSONB
- Update database.py to handle SQLite connection args
Unit tests now run without PostgreSQL (5/8 passing)