{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T19:33:28.438780+00:00","duration_seconds":7.03552,"id":1543506,"input_summary":"chars=746 node=683211","metadata":{"llm_candidates":[{"callsign":"W0EXO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=W0EXO","recording_id":155291,"started_at":"2026-07-09T19:33:21.403260+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152605}