{
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  "completed_steps": [
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  "errors": [
    {
      "step": "step2_subagent",
      "error": "unknown: step2 rewrite failed",
      "time": "01:31:25"
    }
  ],
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    "lyrics_len": 930
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    "attempt": 1,
    "prompt_ok": true,
    "lyrics_ok": true,
    "prompt_len": 968,
    "prompt_compressed": false,
    "provider": "google",
    "model": "gemini-2.5-pro"
  },
  "step2_subagent_retry": {
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    "max_attempts": 2,
    "error_type": "unknown",
    "error": "",
    "next_retry_in_seconds": 10,
    "updated_at": "2026-04-01T01:29:38.610234+08:00"
  }
}