{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:31:31.919463+00:00","duration_seconds":1.117035,"id":297873,"input_summary":"chars=747 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7NQN","recording_id":4374,"started_at":"2026-06-25T02:31:30.802428+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4374}