Add STT debug harness, Whisper decode fix, and history/login UX#2

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andyhtran wants to merge 2 commits intomainfrom

fix-whisper-cpp

Commits on Apr 3, 2026

Add reusable STT debug CLI and apply Whisper timestamp fix
andyhtran
committed
Add launch-at-login control and cancelled recording retranscribe
andyhtran
committed