{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-28T03:28:53.442069+00:00","duration_seconds":1.5829,"id":2909911,"input_summary":"chars=271 node=683210","metadata":{"llm_candidates":[{"callsign":"DU1ZC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=DU1ZC","recording_id":274860,"started_at":"2026-08-28T03:28:51.859169+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":259954}