{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T01:27:43.269166+00:00","duration_seconds":0.995245,"id":1250175,"input_summary":"chars=382 node=683210","metadata":{"llm_candidates":[{"callsign":"K7AGQ","confidence":0.78},{"callsign":"W2JLS","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K7AGQ,W2JLS","recording_id":134542,"started_at":"2026-07-01T01:27:42.273921+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133865}