{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-28T02:45:56.677583+00:00","duration_seconds":2.415922,"id":2908868,"input_summary":"chars=541 node=683211","metadata":{"llm_candidates":[{"callsign":"W6UHF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=W6UHF","recording_id":274720,"started_at":"2026-08-28T02:45:54.261661+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":259820}