{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T19:04:37.401923+00:00","duration_seconds":7.071702,"id":1542487,"input_summary":"chars=96 node=683210","metadata":{"llm_candidates":[{"callsign":"N4MCN","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N4MCN","recording_id":155228,"started_at":"2026-07-09T19:04:30.330221+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152543}