feat(app): add Sortformer diarizer mode for overlap-aware speaker diarization#78
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feat(app): add Sortformer diarizer mode for overlap-aware speaker diarization#78
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…rization Add DiarizerMode enum (.offline / .sortformer) as an alternative to the existing OfflineDiarizerManager. Sortformer uses NVIDIA's streaming diarization model via FluidAudio, which handles overlapping speech better than clustering-based offline diarization. Changes: - DiarizerMode enum in AppSettings with UserDefaults persistence - FluidDiarizer refactored to support both modes with shared result conversion via buildResult() - Sortformer path uses processComplete(audioFileURL:) which handles audio resampling internally - Settings UI adds segmented picker when diarization is enabled - AppState passes settings.diarizerMode to FluidDiarizer factory - FluidAudio updated from 0.12.4 to 0.13.4 (required for Sortformer API compatibility) Inspired by @execsumo's work in #70.
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Summary
Inspired by @execsumo's work in #70.
Stacked on #77 (Vocab) → #76 (VAD)
Test plan