{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T04:42:58.704802+00:00","duration_seconds":1.015125,"id":1646033,"input_summary":"chars=914 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ7RAB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ7RAB","recording_id":162272,"started_at":"2026-07-13T04:42:57.689677+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159029}