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Official and custom Nodes

Agora and Qwen integrations are ordinary Nodes. Core does not link vendor SDKs or understand ASR, TTS, RTC, or conversational turns; those semantics stay inside the relevant Nodes.

Official voice Nodes:

  • agora.audio_source: C++ RTC audio Source with internal scheduling and no Clock Node.
  • builtin.voice_turn_controller: vendor-neutral turn admission and sole cancellation decision point.
  • agora.audio_sink: C++ RTC audio Sink that clears playback on canonical muxiva.turn.cancelled.
  • qwen.audio_realtime: Python speech-to-speech Node owning VAD, ASR, reasoning, TTS, and late-response cancellation.
  • qwen.asr_realtime: Qwen Server VAD + ASR that emits activity observations and transcripts only.
  • qwen.llm_stream, qwen.tts_realtime: replaceable, tick-drained background Nodes whose active work is cancelled on muxiva.turn.cancelled.
  • pi.agent: Demo 2's thin TypeScript adapter Node. It loads the independently released Pi coding Agent, which owns sessions, Tool Calls, and workspace-scoped coding capability under the Agent integration contract.

Project Nodes live under .muxiva/nodes/. Each directory contains muxiva.node.json and a language entrypoint; Studio shows its source, registers it, and lets developers drag it into a Graph. Manifests declare Connection fields while real values stay in the gitignored project .env.