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292f9716ffc4b8731ff8fa95fde2dcbc721c6c8d
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9 Commits

Author SHA1 Message Date
jake
292f9716ff feat(kon): add full transcript provenance — enriched schema, metadata pipeline, error log 
Schema enrichment:
- transcripts table: +engine, +model_id, +inference_ms, +sample_rate, +audio_channels,
  +format_mode, +remove_fillers, +british_english, +anti_hallucination
- New error_log table: context, error_code, message, metadata (JSON)
- 5 indices on frequently queried columns

Metadata pipeline:
- TranscriptMetadata struct in kon-core for full provenance capture
- LocalEngine tracks loaded ModelId, returns TimedTranscript with inference_ms
- std::time::Instant timing around transcribe-rs inference calls
- Tauri transcription commands emit inference_ms in event payloads
- InsertTranscriptParams accepts all provenance fields
- log_error() for structured error logging to SQLite

Every transcript is now fully reproducible from its stored metadata.
23 tests passing, clippy clean.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 21:36:44 +00:00
jake
0646c75de7 fix(kon): resolve ort version conflict — stub VAD, fix audio crate 
- VAD stubbed: voice_activity_detector and silero-vad-rust both pin ort rc.10
  which conflicts with transcribe-rs requiring ort rc.12. Stubbed until ort
  ecosystem aligns at 2.0.0 stable. All audio treated as speech (matches v0.2).
- Refreshed Cargo.lock to resolve ort rc.12 + whisper-rs 0.16 correctly
- clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 21:09:38 +00:00
jake
a83eafdc82 feat(kon): add cloud-providers crate — BYOK stubs, keystore 
- Keystore stub using environment variables (keyring integration deferred)
- Minimal crate ready for cloud STT provider implementations post-Stage 1

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 21:01:07 +00:00
jake
ec06ab07c7 feat(kon): add storage crate — SQLite schema, CRUD operations 
- SQLite via sqlx 0.8 with runtime-tokio
- Schema: transcripts, segments, tasks, task_lists, settings tables
- Full CRUD for transcripts (insert, get, list, delete)
- Full CRUD for tasks (insert, list, complete, delete)
- Settings key-value store (insert/replace, get)
- File storage paths: app_data_dir, database_path, recordings_dir
- 3 async tests passing against in-memory SQLite, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 20:59:21 +00:00
jake
a30c9cc107 feat(kon): add audio crate — cpal capture, VAD, rubato resample, symphonia decode 
- File decode via symphonia (mp3, aac, flac, wav, ogg) with mono mixdown
- Sinc interpolation resampling via rubato 0.15 (48kHz/44.1kHz → 16kHz)
- WAV I/O via hound (read/write with f32→i16 conversion)
- Microphone capture via cpal 0.17 (WASAPI on Windows) with mpsc channel output
- Voice activity detection via Silero VAD V5 (voice_activity_detector 0.2)
- Async decode_and_resample() for file transcription pipeline
- 3 tests passing (resample passthrough, duration preservation, WAV roundtrip)
- clippy clean, no ort version conflicts

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 20:56:30 +00:00
jake
100ecb4eae feat(kon): add transcription crate — transcribe-rs wrapper, model manager 
- LocalEngine wraps transcribe-rs SpeechModel behind Kon's own abstraction
- load_parakeet() and load_whisper() factory functions
- Unified model manager: download with progress callback, check, list, path resolution
- Atomic downloads: .part suffix with rename on completion
- run_inference() encapsulates spawn_blocking threading
- Zero Tauri dependency in this crate (progress via callback, not events)
- transcribe-rs v0.3.2 with onnx + whisper-cpp features
- 4 tests passing, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 20:39:37 +00:00
jake
0738fca22c feat(kon): add ai-formatting crate — filler removal, British English, text pipeline 
- Filler word removal using word-boundary regex (fixed regex-lite lookbehind limitation)
- British English conversion: 26 -ize/-ise patterns, -or/-our, -er/-re, -ense/-ence
- Text formatting: sentence capitalisation, spacing cleanup
- Hallucination filter: blank_audio, music, silence, auto-thanks detection
- Post-processing pipeline: composed from pure functions, supports Raw/Clean/Smart modes
- Smart mode inserts paragraph breaks on >2s pauses between segments
- 12 tests passing, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 20:29:46 +00:00
jake
6588130e36 feat(kon): add core crate — types, traits, hardware, model registry, recommendation 
- Value objects: ModelId, EngineName, Megabytes, AudioSamples, Segment, Transcript
- KonError enum with thiserror
- Constants centralised: audio pipeline, VAD, RAM thresholds, inference threading
- SpeechToText and TextProcessor provider traits with ProviderRegistry
- Unified model registry (Whisper tiny/base/small/medium + Parakeet CTC int8)
- Hardware detection: probe_ram, probe_cpu, probe_gpu (stub), probe_os
- Recommendation engine: score_model (pure function), rank_recommendations (sorted)
- 5 tests passing, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 20:27:27 +00:00
jake
9926a42b7a feat(kon): scaffold hybrid modular workspace 
- Cargo workspace with 6 domain crates: core, audio, transcription, ai-formatting, storage, cloud-providers
- Minimal Tauri shell (lib.rs + main.rs) with plugin registration
- Svelte 5 frontend copied from Ramble v0.2
- All crates compile as empty stubs
- App identifier: uk.co.corbel.kon

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 20:21:38 +00:00