{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T02:06:01.255022+00:00","duration_seconds":3.311433,"id":180873,"input_summary":"chars=543 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7NQN","recording_id":120564,"started_at":"2026-06-24T02:05:57.943589+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":120565}