{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T20:30:53.760409+00:00","duration_seconds":0.507289,"id":1762235,"input_summary":"chars=158 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7I","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7I","recording_id":169997,"started_at":"2026-07-16T20:30:53.253120+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":165803}