ASR+Ask integration, single /speak, scipy WAV, build-time ASR cache, cleanup

Fix: remove unreachable duplicate TTS block in /speak

Fix FileResponse background task; add StreamingResponse cleanup; add sounddevice and system libs

TTS: use scipy.io.wavfile for WAV output; remove torchcodec dependency path

TTS: robust ckpt handling; download to /tmp then move; make /code writable

requirements: add torchcodec to enable torchaudio save backend

Dockerfile: avoid repo models/ dependency; skip large ckpt; install yarngpt if missing

Dockerfile: fix HF login RUN block; remove heredoc ; parsing issue

Sync: add API, Dockerfile, assets (no large ckpt)

Update Dockerfile

Update main.py

Update app.py

Update Dockerfile

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initial commit