{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T15:13:06.550339+00:00","duration_seconds":1.755451,"id":2847846,"input_summary":"chars=53 node=683210","metadata":{"llm_candidates":[{"callsign":"KA4JAZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KA4JAZ","recording_id":268274,"started_at":"2026-08-25T15:13:04.794888+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":253987}