feat(stt): WhisperEngine via subprocess whisper-cpp (#5) #84
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module:M0-setup
module:M1-stt
module:M1-stt
module:M2-ai
module:M2-ai
module:M3-rich
module:M3-rich
module:M4-bridge
module:M4-bridge
module:M5-bonus
module:M5-bonus
module:setup
priority:high
priority:high
priority:low
priority:low
priority:medium
priority:medium
type:chore
type:chore
type:feature
type:feature
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charles/my-fractal!84
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Delete branch "feat/5-whisper-engine"
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Résumé
Implémente
WhisperEnginedansfractal-stt— moteur STT local via subprocesswhisper-cpp.Changements
crates/fractal-stt/src/whisper.rs(nouveau) —WhisperEngineimplémenteSttEngine:transcribe(): conversion audio → WAV 16 kHz mono via pipeline GStreamer (gst-launch-1.0), puis appel subprocesswhisper-cpp --output-json, parsing JSON avec fallback texte bruthealth_check(): vérifie l'existence du binaire et du modèle (ModelMissingvsUnavailable)supported_languages(): 57 langues ISO 639-1 (whisper large-v3)crates/fractal-stt/src/lib.rs— export publicWhisperEnginecrates/fractal-stt/Cargo.toml—tempfileetdirsvia workspaceCargo.toml(workspace) — ajouttempfile = "3"etdirs = "5"Plan de test
cargo test -p fractal-stt— tests unitaires (health_check, parse_whisper_json, supported_languages)whisper-cppdans PATH + modèleggml-small.binprésent → transcription d'un fichier audio WAVCloses #5