{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T16:50:26.838522+00:00","duration_seconds":1.91861,"id":1834066,"input_summary":"chars=28 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"NT7H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NT7H","recording_id":174831,"started_at":"2026-07-18T16:50:24.919912+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170157}