{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T02:57:57.177938+00:00","duration_seconds":3.334326,"id":906608,"input_summary":"chars=697 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7IJZ","confidence":0.78},{"callsign":"KB9IQX","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7IJZ,KB9IQX","recording_id":41431,"started_at":"2026-06-28T02:57:53.843612+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":41432}