{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T12:26:29.585070+00:00","duration_seconds":2.284536,"id":509256,"input_summary":"chars=796 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC7FNW","confidence":1.0},{"callsign":"KC7SMW","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KC7FNW,KC7SMW","recording_id":89830,"started_at":"2026-06-26T12:26:27.300534+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":89831}