{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T19:51:49.931743+00:00","duration_seconds":7.76741,"id":1575950,"input_summary":"chars=831 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7ZBX","confidence":0.78},{"callsign":"KI7WUZ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7ZBX,KI7WUZ","recording_id":157466,"started_at":"2026-07-10T19:51:42.164333+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154608}