{"agent_type":"callsign_analysis","ai_model":null,"ai_pass":false,"ai_provider":null,"completed_at":"2026-06-25T03:02:46.490943+00:00","duration_seconds":0.000428,"id":301616,"input_summary":"chars=836 node=683210","metadata":{},"output_summary":"candidates=0 calls=","recording_id":4253,"started_at":"2026-06-25T03:02:46.490515+00:00","status":"completed","step_name":"callsign.regex_extract","transcription_id":4253}