{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:59:18.184389+00:00","duration_seconds":1.087816,"id":308643,"input_summary":"chars=20 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":3384,"started_at":"2026-06-25T03:59:17.096573+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":3384}