{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T03:43:19.432331+00:00","duration_seconds":2.716089,"id":1850337,"input_summary":"chars=51 node=683211","metadata":{"llm_candidates":[{"callsign":"VK5PBZ","confidence":0.78},{"callsign":"VK2WL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=VK5PBZ,VK2WL","recording_id":176004,"started_at":"2026-07-19T03:43:16.716242+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":171157}