{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-17T15:01:41.378026+00:00","duration_seconds":1.785198,"id":2659763,"input_summary":"chars=824 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7ZU","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7ZU","recording_id":247902,"started_at":"2026-08-17T15:01:39.592828+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":235611}