{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T00:11:56.449463+00:00","duration_seconds":3.742649,"id":1410493,"input_summary":"chars=625 node=683211","metadata":{"llm_candidates":[{"callsign":"KM4MBF","confidence":0.78},{"callsign":"KW4AG","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KM4MBF,KW4AG","recording_id":146000,"started_at":"2026-07-06T00:11:52.706814+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":144235}