{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-27T04:30:33.421444+00:00","duration_seconds":1.759238,"id":2886349,"input_summary":"chars=749 node=683211","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KX2CW","recording_id":272535,"started_at":"2026-08-27T04:30:31.662206+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":257846}