Fish Audio speech plugin

Official OpenClaw speech provider for Fish Audio's hosted S2.1 API.

Configure tts.provider: "fish-audio" and set FISH_API_KEY. The provider supports buffered audio, HTTP-streamed playback, native Opus voice notes, 8 kHz PCM telephony, and Fish Audio voice discovery.

See Fish Audio for setup, models, voice selection, expressive tags, and local macOS MLX usage.