{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T21:31:12.872710+00:00","duration_seconds":2.668055,"id":1547726,"input_summary":"chars=352 node=683210","metadata":{"llm_candidates":[{"callsign":"KF5NTT","confidence":0.78},{"callsign":"N7BGJ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=KF5NTT,N7BGJ","recording_id":155530,"started_at":"2026-07-09T21:31:10.204655+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152840}