{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T12:25:31.439170+00:00","duration_seconds":2.541904,"id":1559810,"input_summary":"chars=685 node=683210","metadata":{"llm_candidates":[{"callsign":"W2RBC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=W2RBC","recording_id":156306,"started_at":"2026-07-10T12:25:28.897266+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153565}