{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T23:54:08.855051+00:00","duration_seconds":0.617114,"id":1381848,"input_summary":"chars=75 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78},{"callsign":"NO7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7ADV,NO7H","recording_id":144102,"started_at":"2026-07-04T23:54:08.237937+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142461}