{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T06:23:53.642897+00:00","duration_seconds":0.532107,"id":1141541,"input_summary":"chars=2191 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KR4FRR","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KR4FRR","recording_id":16620,"started_at":"2026-06-29T06:23:53.110790+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":16621}