{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T19:43:07.313771+00:00","duration_seconds":1.633535,"id":254952,"input_summary":"chars=720 node=66296","metadata":{"llm_candidates":[{"callsign":"KK7IJZ","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7IJZ","recording_id":121957,"started_at":"2026-06-24T19:43:05.680236+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":121956}