{
  "type": "init",
  "model": "eleven-flash:2.5",
  "voice": "astra",
  "config": {
    "sample_rate": 24000,
    "encoding": "mp3"
  }
}

{
  "type": "text",
  "text": "Hello, this is a test of text-to-speech synthesis."
}

{
  "type": "flush"
}

{
  "type": "clear"
}

{
  "type": "cancel"
}

{
  "type": "ready",
  "session_id": "sess_tts_abc123"
}

{
  "type": "audio_chunk",
  "data": "UklGRiQAAABXQVZFZm10IBAAAAABAAEA...",
  "sequence": 1
}

{
  "type": "segment_start",
  "segment_id": "seg_001"
}

{
  "type": "segment_end",
  "segment_id": "seg_001"
}

{
  "type": "flushed"
}

{
  "type": "cleared"
}

{
  "type": "audio_end",
  "duration": 3.5
}

{
  "type": "error",
  "code": "provider_error",
  "message": "Provider returned an unexpected error"
}