{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T08:20:08.445412+00:00","duration_seconds":0.531334,"id":950850,"input_summary":"chars=455 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KG7FW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KG7FW","recording_id":36947,"started_at":"2026-06-28T08:20:07.914078+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":36948}