{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T06:49:52.211697+00:00","duration_seconds":0.989503,"id":193503,"input_summary":"chars=483 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=4 calls=KK7NQN","recording_id":117293,"started_at":"2026-06-24T06:49:51.222194+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":117291}