{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T03:58:47.188693+00:00","duration_seconds":0.929158,"id":1122551,"input_summary":"chars=1554 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ7NUW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KJ7NUW","recording_id":18355,"started_at":"2026-06-29T03:58:46.259535+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":18356}