{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T02:24:04.798871+00:00","duration_seconds":3.170771,"id":1452966,"input_summary":"chars=194 node=66296","metadata":{"llm_candidates":[{"callsign":"W78CS","confidence":0.78},{"callsign":"O2Z","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=W78CS,O2Z","recording_id":148962,"started_at":"2026-07-07T02:24:01.628100+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146915}