NilsBriggen
fa12817050
Two issues behind "it just shows downloaded 100% / loads forever / crashes
after a couple seconds":
1. Progress was invisible during transcription. The 'transcribing' stage
only fired AFTER the first (slow) chunk, so the UI sat at "Loading
model… 100%" through the entire first inference and looked frozen.
- pipeline now emits a transcribing kickoff (progress 0) BEFORE the
first chunk and carries chunkIndex/chunkCount on every event.
- transcribeStore threads those through; the Library job card shows a
spinner, "Transcribing… N%", and "part i of N" so a long file's
progress is legible and obviously advancing.
2. Web crash on mobile. We picked WebGPU + fp16 whenever navigator.gpu
existed, but mobile WebGPU drivers crash on sustained fp16 Whisper
inference (transcribes a chunk, then the GPU process dies). Mobile web
now uses cross-origin-isolated multi-threaded WASM (slower but stable);
desktop keeps WebGPU.
Native's "loads forever" was the same missing-feedback problem — it was
grinding through chunks with no UI signal; the chunk counter now shows it.
tsc clean, 279 tests pass (pipeline progress test updated for the kickoff
event), web export OK.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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