{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:09:52.734107+00:00","duration_seconds":11.512806,"id":1830009,"input_summary":"chars=646 node=683210","metadata":{"llm_candidates":[{"callsign":"AI6US","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AI6US","recording_id":174546,"started_at":"2026-07-18T15:09:41.221301+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169899}