{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T21:14:49.273234+00:00","duration_seconds":1.088204,"id":1448488,"input_summary":"chars=830 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7BRS","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7BRS","recording_id":148592,"started_at":"2026-07-06T21:14:48.185030+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146637}