{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T15:07:46.366746+00:00","duration_seconds":2.046581,"id":1661268,"input_summary":"chars=728 node=683211","metadata":{"llm_candidates":[{"callsign":"KT7JOE","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KT7JOE","recording_id":163226,"started_at":"2026-07-13T15:07:44.320165+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159930}