{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T19:37:57.684597+00:00","duration_seconds":14.919397,"id":1444525,"input_summary":"chars=593 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7QHP","confidence":0.78},{"callsign":"KM7FDT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7QHP,KM7FDT","recording_id":148332,"started_at":"2026-07-06T19:37:42.765200+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146385}