{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T15:22:03.741014+00:00","duration_seconds":1.671829,"id":1399018,"input_summary":"chars=171 node=683210","metadata":{"llm_candidates":[{"callsign":"KC1UGK","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC1UGK","recording_id":145247,"started_at":"2026-07-05T15:22:02.069185+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143541}