{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-18T16:21:32.793233+00:00","duration_seconds":3.143183,"id":2686697,"input_summary":"chars=830 node=66296","metadata":{"llm_candidates":[{"callsign":"KF7AZV","confidence":0.78},{"callsign":"KK7RTM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7AZV,KK7RTM","recording_id":250924,"started_at":"2026-08-18T16:21:29.650050+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":238263}