{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-21T13:27:42.168383+00:00","duration_seconds":2.587676,"id":2751377,"input_summary":"chars=575 node=683210","metadata":{"llm_candidates":[{"callsign":"KF8GAH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF8GAH","recording_id":257817,"started_at":"2026-08-21T13:27:39.580707+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":244550}