{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T07:50:46.191406+00:00","duration_seconds":1.004102,"id":609314,"input_summary":"chars=1893 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7NQN","recording_id":73547,"started_at":"2026-06-27T07:50:45.187304+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":73548}