2 commits

Author	SHA1	Message	Date
Viktor Barzin	9b3d35669f	Fix API crash: status_code=204 with response body assertion error ... FastAPI rejects status_code=204 on routes with a return type annotation. Return an explicit Response(status_code=204) instead.	2026-02-23 19:22:10 +00:00
Viktor Barzin	d90fa38776	Add frontend performance metrics pipeline to Prometheus ... Collect browser-side worker round-trips, computation times, main-thread operations, and feature counts, batch them client-side, and expose as Prometheus histograms via a new POST /api/perf endpoint.	2026-02-22 17:30:29 +00:00