{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:02:01.348736+00:00","duration_seconds":1.034913,"id":301554,"input_summary":"chars=882 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.9}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":4261,"started_at":"2026-06-25T03:02:00.313823+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4261}