{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T12:58:38.031761+00:00","duration_seconds":4.515905,"id":1790226,"input_summary":"chars=517 node=683210","metadata":{"llm_candidates":[{"callsign":"AB4KT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AB4KT","recording_id":171764,"started_at":"2026-07-17T12:58:33.515856+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167414}