# Backend: parakeet (local Apple Silicon) or openai (cloud) STT_BACKEND=parakeet # Server STT_HOST=127.0.0.1 STT_PORT=8083 STT_GATEWAY_API_KEY=replace-with-a-long-random-value STT_MAX_UPLOAD_MB=50 STT_FFMPEG_BINARY=ffmpeg # Local Parakeet mode STT_PARAKEET_MODEL=mlx-community/parakeet-tdt-0.6b-v2 # OpenAI mode # STT_OPENAI_API_KEY=sk-... STT_OPENAI_BASE_URL=https://api.openai.com/v1 STT_OPENAI_MODEL=gpt-4o-mini-transcribe STT_REQUEST_TIMEOUT=120