- Add health check endpoint at GET /api/diagnostic/health
- Auth-protected via @require_login (no-op when AUTH_ENABLED=False)
- Checks database (SELECT 1) and Redis (ping) with 2s timeouts
- Returns healthy/degraded/unhealthy with per-check detail
- Returns HTTP 503 when database is down, 200 otherwise
- 7 new unit tests covering all status scenarios
- Update docs/API.md with Grafana/monitoring integration notes
- Fixes test_cors_headers_absent_when_disabled CI timeout
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
- Run Black formatter and isort on all app/ files
- Remove unused imports (F401) across multiple files
- Add # noqa: F401 for intentional re-exports in celery_worker.py,
tasks/__init__.py, utils.py, frontend.py, views/base.py
- Fix f-strings without placeholders (F541) in azure.py, notification.py,
check_credentials.py, upload_to_onedrive.py, settings.py
- Fix bare except (E722) in upload_to_sftp.py
- Fix block comment format (E265) in models.py
- Move imports to top of file to fix E402 in celery_app.py, celery_worker.py
- Fix line-too-long (E501) by wrapping strings in multiple files
- Remove unused variable (F841) in upload_to_nextcloud.py
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>