{"agent_type":"callsign_analysis","ai_model":null,"ai_pass":false,"ai_provider":null,"completed_at":"2026-08-14T04:01:51.016840+00:00","duration_seconds":0.002192,"id":2586913,"input_summary":"chars=128 node=683210","metadata":{},"output_summary":"candidates=1 calls=K4C","recording_id":239791,"started_at":"2026-08-14T04:01:51.014648+00:00","status":"completed","step_name":"callsign.regex_extract","transcription_id":228326}