feat: add repository configuration system with defensive validation

- Add archon_configured_repositories table migration with production-ready sandbox type constraints
- Implement SupabaseWorkOrderRepository for CRUD operations with comprehensive error handling
- Add defensive validation in _row_to_model with detailed logging for invalid enum values
- Implement granular exception handling (409 duplicates, 422 validation, 502 GitHub API errors)
- Document async/await pattern for interface consistency across repository implementations
- Add Supabase health check to verify table existence
- Expand test coverage from 10 to 17 tests with error handling and edge case validation
- Add supabase dependency to agent-work-orders group
- Enable ENABLE_AGENT_WORK_ORDERS flag in docker-compose for production deployment

python/pyproject.toml

@@ -105,6 +105,7 @@ agent-work-orders = [
     "python-dotenv>=1.1.1",
     "structlog>=25.4.0",
     "sse-starlette>=2.3.3",
+    "supabase==2.15.1",
 ]
 
 # All dependencies for running unit tests locally