{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:53:48.633814+00:00","duration_seconds":1.004393,"id":603509,"input_summary":"chars=19 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":74004,"started_at":"2026-06-27T06:53:47.629421+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74005}