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2 Commits

Author SHA1 Message Date
NilsBriggen 8db59d4bbe feat(phase0): courses, migrations, persisted audio, stable segment IDs, course-aware UI
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Data layer (Zod-gated, behind StorageRepo; web Dexie v2 + native expo-sqlite
user_version migrations, both with no-data-loss segment-id backfill):
- Course entity + courseId/lectureDate/instructor/location/tags/lectureNumber on
  transcripts; listCourses/createCourse/updateCourse/deleteCourse, listByCourse,
  reassign. Stable per-segment ids assigned on create/update + backfilled.
- Persisted source audio (Dexie blob / expo-file-system) via putMedia/getMediaUrl;
  the editor replays it after reload.

UI/stores:
- Pre-capture sheet (title + course + lecture date + language) before transcribing.
- Course-aware library home (All/Unsorted/per-course filter) + Courses screen.
- coursesStore; transcriptsStore course filter + reassign; transcribeStore threads
  course/date and persists media.

16 web-repo tests incl. v1->v2 migration no-data-loss; 148 total green; web export OK.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-14 13:54:38 +02:00
NilsBriggen 9f42ee2460 Build Wisp: on-device transcription studio (web + native, one codebase)
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Private, offline speech-to-text that runs Whisper on the user's own device —
free, no account, no per-minute fees. Replaces Otter.ai / Rev.

- Pure, tested engine: chunking, overlap timestamp-stitching, exports
  (SRT/VTT/TXT/MD/JSON), WAV codec, resampler, job queue, model catalog (142 tests).
- Platform-abstracted TranscriptionEngine: transformers.js on web (loaded from
  CDN at runtime to dodge Metro's onnxruntime-web bundling limits), whisper.rn
  on native. Shared pipeline orchestrates decode -> chunk -> transcribe -> stitch.
- Cross-platform StorageRepo (Dexie web / expo-sqlite native), Zod-validated.
- UI: library + search, import, live-progress transcription, synced click-to-seek
  editor, multi-format export; model picker + privacy in settings.
- Web ships as a single-page PWA with COOP/COEP isolation for threaded WASM;
  Docker (nginx) image + Traefik compose for wisp.briggen.dev.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-13 17:54:21 +02:00