{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T20:46:43.034187+00:00","duration_seconds":1.658629,"id":853915,"input_summary":"chars=110 node=683210","metadata":{"llm_candidates":[{"callsign":"KC3TBC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC3TBC","recording_id":126900,"started_at":"2026-06-27T20:46:41.375558+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":126899}