Newer gunicorn patch releases added _get_control_socket_path() which
crashes with TypeError when control_socket is None. Pin to the working
version until the gunicorn config fix propagates everywhere.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Removed MarkupSafe, rfc3986, sniffio, starlette — all pulled in
automatically as transitive dependencies of fastapi/httpx/anyio.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Dockerfile: enable BuildKit syntax, use --mount=type=cache for pip to speed up rebuilds
- requirements.txt: relax fastapi==0.115.5 → fastapi>=0.115.5
- TODO: mark Locking task as complete
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
