feat(stt): pipeline audio MXC → WAV → transcription → cache SQLite (#7) #99

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charles wants to merge 4 commits from feat/7-pipeline-clean into main

charles commented

2026-04-06 02:00:41 +00:00

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Closes #7

Changements

crates/fractal-stt/src/pipeline.rs : AudioPipeline avec worker Tokio via mpsc::channel
- spawn() : démarre le worker en arrière-plan
- submit() : soumet une requête, retourne un oneshot::Receiver
- fire_and_forget() : transcription sans attendre le résultat
- TranscriptCache : cache SQLite via sqlx (table transcriptions)
- download_mxc() : téléchargement via reqwest
- convert_to_wav_16k() : conversion via gst-launch-1.0 (timeout 30s)
lib.rs : expose AudioPipeline et TranscribeRequest
fractal-stt/Cargo.toml : ajout sqlx = { workspace = true }
Cargo.toml : ajout sqlx 0.8 (sqlite, runtime-tokio, macros) dans les deps workspace

Corrections vs branche précédente

EngineStatus::Unavailable { reason } (struct variant, pas tuple)
r.language.and_then(|l| LanguageCode::new(l).ok()) (pas .map())

Closes #7 ## Changements - `crates/fractal-stt/src/pipeline.rs` : `AudioPipeline` avec worker Tokio via `mpsc::channel` - `spawn()` : démarre le worker en arrière-plan - `submit()` : soumet une requête, retourne un `oneshot::Receiver` - `fire_and_forget()` : transcription sans attendre le résultat - `TranscriptCache` : cache SQLite via sqlx (table `transcriptions`) - `download_mxc()` : téléchargement via reqwest - `convert_to_wav_16k()` : conversion via `gst-launch-1.0` (timeout 30s) - `lib.rs` : expose `AudioPipeline` et `TranscribeRequest` - `fractal-stt/Cargo.toml` : ajout `sqlx = { workspace = true }` - `Cargo.toml` : ajout `sqlx 0.8` (sqlite, runtime-tokio, macros) dans les deps workspace ## Corrections vs branche précédente - `EngineStatus::Unavailable { reason }` (struct variant, pas tuple) - `r.language.and_then(|l| LanguageCode::new(l).ok())` (pas `.map()`)

charles added 4 commits

2026-04-06 02:00:41 +00:00

feat(stt): add audio pipeline with MXC download, WAV conversion, SQLite cache (#7 ) 7f3b26d185

feat(stt): expose AudioPipeline and TranscribeRequest from lib.rs (#7 ) 3763dee5ae

feat(stt): add sqlx dependency for transcript cache (#7 ) b4eeed059d

chore: add sqlx workspace dependency (#7 )

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charles closed this pull request

2026-04-06 02:01:14 +00:00

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