chore: patch project maps after stale backend test cleanup

Regenerate .pi-map*.md artifacts for source changes in:
- apps/api/src/api/tool/tool_types_validation.py
- apps/api/src/schemas/tool/tool_type.py
- apps/api/tests/integration/test_tool_types_api_extended.py
- and all affected test files from backend-frontend refactoring cleanup

apps/api/tests/unit/.pi-map.index.md

@@ -2,7 +2,7 @@
 dir: apps/api/tests/unit
 
 ## role
-Unit test suite for the API backend, covering configuration, Docker operations, Git services, file handling, health monitoring, notifications, and SSH key management.
+Contains comprehensive unit tests for the API application's core services, utilities, and infrastructure components.
 ## parent
 index: apps/api/tests/.pi-map.index.md
 map: apps/api/tests/.pi-map.md
@@ -16,11 +16,7 @@ map: apps/api/tests/.pi-map.md
 - test_docker_service.py
 - test_event_bus.py
 - test_file_service.py
-- test_git_mount_resolution.py
-- test_git_mounts.py
 - test_git_operations.py
-- test_git_repository_clone_preflight.py
-- test_git_repository_working_clones.py
 - test_git_service.py
 - test_git_url_parser.py
 - test_health_monitor.py