Document the dual-channel label-merge path (mic_file/system_file/self_name/self_vad) and the recap phase (transcript.md + recap.html via the backend LLM) across docs/01-03; correct docs/02 $2.10 to the UI actually shipped; mark docs/01 $7 open items as settled; remove the dead AUDIO_API.md references; note the manifest sha256 fields are not emitted; mark docs/04 as a complete/historical build log. Also drop the last stale "Phase 0" UI string in MenuBarView and retire the now-done doc-debt items in ROADMAP.
Grant Gilliam
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