Patch release: the P0 items of the audio-upload follow-up sprint (cross-origin POST protection, ffprobe/ffmpeg resource limits, concurrent-upload cap, SIGTERM handling, lint gate). Plan: docs/sprints/audio-upload-followups-2026-10.md
Minor release: the remaining items of the audio-upload follow-up sprint (nav link, per-recording delete, per-model chat budgets, tracker fixes, measurements). Plan: docs/sprints/audio-upload-followups-2026-10.md