{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-17T01:01:07.035607+00:00","duration_seconds":4.629492,"id":2643899,"input_summary":"chars=386 node=683210","metadata":{"llm_candidates":[{"callsign":"KQ4ZKJ","confidence":0.78},{"callsign":"KR4HA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=KQ4ZKJ,KR4HA","recording_id":246143,"started_at":"2026-08-17T01:01:02.406115+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":233989}