{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T05:26:29.373316+00:00","duration_seconds":1.74546,"id":1725683,"input_summary":"chars=471 node=683211","metadata":{"llm_candidates":[{"callsign":"KM7FRW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=5 calls=KM7FRW","recording_id":167246,"started_at":"2026-07-16T05:26:27.627856+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163389}