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
- Remove clone_mode/branch from API responses and make DB columns nullable
- Remove legacy clone-mode branches from create_tool_instance
- Add WORKSPACE_PATH compose variable alongside REPO_PATH
- Add workspace migration helpers in WorkspaceManager
Remaining: POST /workspaces/:id/instances, frontend clone_mode cleanup, tests
Add generated .pi-map.md and .pi-map.index.md files across the repository
so the project navigation maps are shared and versioned. These artifacts
are maintained by project_map_init/patch/validate and must be kept in
sync with source edits.
Note: .cache/ remains ignored (added in previous commit).