{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T03:06:31.358001+00:00","duration_seconds":2.156571,"id":1642452,"input_summary":"chars=607 node=683210","metadata":{"llm_candidates":[{"callsign":"KR4MHW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KR4MHW","recording_id":162024,"started_at":"2026-07-13T03:06:29.201430+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158793}