Promote the serverkit-git extension to own the canonical /git route and migrate legacy /git-ext usage. Adds an Alembic migration that updates the installed_plugins manifest for serverkit-git to the canonical /git contributions. Frontend changes: plugin manifests and build-time plugin list use the new display name and /git routes; plugin entry exports now expose GitExtensionPage (and keep GitExtPage as a compatibility alias); contribution normalization rewrites older plugin contributions that referenced /git-ext to the canonical /git and provides fallback normalization for build-time contributions; App routing adds redirects for legacy git-ext routes to /git and removes the host's hardcoded /git page from core routes; Command Palette and Sidebar code updated to remove the static core Git item and to respect plugin-contributed nav items (including new hidden-item handling and Set-based sidebar helpers). Small backend docstring wording tweak.
Introduce fallback audit logging and enrich audit tooling; add builtin extension discovery/install; and update default launcher ports and related docs/config.
Key changes:
- New middleware app.middleware.audit registers an after-request fallback that records authenticated mutating API requests when routes don't emit explicit audit logs.
- Audit model/action constants extended and AuditService enhanced (request context handling, redaction for sensitive settings, optional commit flag, sets g.audit_logged, emits events).
- Routes/services updated to create explicit audit entries for marketplace and plugin operations (create/update/publish/install/uninstall/enable/disable) and SSO/settings flows switched to use AuditService.
- Added tests for audit logging behavior and redaction (backend/tests/test_audit_log.py).
- Plugin service: added BUILTIN_EXTENSIONS_DIR, list_builtin_extensions and install_builtin_extension; plugin API endpoints to list/install builtin extensions.
- Contribution system extended to support layouts and route layout metadata; frontend wiring updated to surface standalone/custom layouts and extension routes.
- Launcher port defaults changed (backend -> 47927, frontend -> 41921). Updated backend .env.example, config CORS defaults, Dockerfiles and docker-compose to use SERVERKIT_BACKEND_PORT, and many docs/README files and frontend envs to reflect new ports.
- Minor frontend cleanups and new builtin extension example (serverkit-git) plus associated manifest and frontend re-export.
These changes improve observability/security for mutating APIs, enable opt-in builtin plugins, and align local dev/run ports with the launcher defaults.