{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T07:46:15.059351+00:00","duration_seconds":0.921624,"id":333211,"input_summary":"chars=1 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":736,"started_at":"2026-06-25T07:46:14.137727+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":736}