{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T12:52:08.723383+00:00","duration_seconds":2.054869,"id":1321900,"input_summary":"chars=638 node=683211","metadata":{"llm_candidates":[{"callsign":"K4LBF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4LBF","recording_id":139829,"started_at":"2026-07-03T12:52:06.668514+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138646}