{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T21:25:39.490445+00:00","duration_seconds":0.471067,"id":1613599,"input_summary":"chars=447 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"NK7N","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NK7N","recording_id":160069,"started_at":"2026-07-11T21:25:39.019378+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156969}