{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T23:27:14.469510+00:00","duration_seconds":1.119921,"id":1815118,"input_summary":"chars=745 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ5JTS","confidence":0.78},{"callsign":"KJ5JTM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KJ5JTS,KJ5JTM","recording_id":173531,"started_at":"2026-07-17T23:27:13.349589+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169025}