{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T03:07:50.269739+00:00","duration_seconds":1.957592,"id":1821457,"input_summary":"chars=719 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KC1PIU","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC1PIU","recording_id":173932,"started_at":"2026-07-18T03:07:48.312147+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169381}