{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T11:47:03.633506+00:00","duration_seconds":0.859587,"id":1787845,"input_summary":"chars=267 node=683210","metadata":{"llm_candidates":[{"callsign":"KQ4YYN","confidence":0.78},{"callsign":"KO4EAS","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KQ4YYN,KO4EAS","recording_id":171601,"started_at":"2026-07-17T11:47:02.773919+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167253}