{"agent_type":"callsign_analysis","ai_model":null,"ai_pass":false,"ai_provider":null,"completed_at":"2026-08-28T03:25:12.380174+00:00","duration_seconds":0.003411,"id":2909847,"input_summary":"chars=208 node=683210","metadata":{},"output_summary":"candidates=2 calls=KF8FSU,K4C","recording_id":274853,"started_at":"2026-08-28T03:25:12.376763+00:00","status":"completed","step_name":"callsign.regex_extract","transcription_id":259949}