{"agent_type":"callsign_analysis","ai_model":null,"ai_pass":false,"ai_provider":null,"completed_at":"2026-06-25T03:01:52.941823+00:00","duration_seconds":0.000489,"id":301539,"input_summary":"chars=282 node=683210","metadata":{},"output_summary":"candidates=0 calls=","recording_id":4224,"started_at":"2026-06-25T03:01:52.941334+00:00","status":"completed","step_name":"callsign.regex_extract","transcription_id":4224}