{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T11:41:49.956685+00:00","duration_seconds":1.794415,"id":1653157,"input_summary":"chars=544 node=683210","metadata":{"llm_candidates":[{"callsign":"WB2EHG","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WB2EHG","recording_id":162632,"started_at":"2026-07-13T11:41:48.162270+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159386}