{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T11:48:27.656022+00:00","duration_seconds":2.455486,"id":1787896,"input_summary":"chars=314 node=683210","metadata":{"llm_candidates":[{"callsign":"V3KTJ","confidence":0.78},{"callsign":"N2BH","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=V3KTJ,N2BH","recording_id":171605,"started_at":"2026-07-17T11:48:25.200536+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167257}