{
  "type": "init",
  "model": "rime/arcana:en",
  "speaker": "astra",
  "config": {
    "sample_rate": 24000,
    "encoding": "pcm"
  }
}

{
  "type": "text",
  "text": "Hello from Rime Arcana English. Testing text to speech synthesis."
}

{
  "type": "flush"
}

{
  "type": "clear"
}

{
  "type": "cancel"
}

{
  "type": "audio_chunk",
  "data": "UklGRiQAAABXQVZFZm10IBAAAAABAAEA...",
  "contextId": "ctx_abc123"
}

{
  "type": "timestamps",
  "word_timestamps": {
    "words": [
      "Hello",
      "from",
      "Arcana"
    ],
    "start": [
      0,
      0.32,
      0.58
    ],
    "end": [
      0.31,
      0.57,
      1.02
    ]
  }
}

{
  "type": "error",
  "message": "Text is too long. Maximum 500 characters per request."
}