{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T05:25:38.488783+00:00","duration_seconds":0.633997,"id":925689,"input_summary":"chars=758 node=683211","metadata":{"llm_candidates":[{"callsign":"AB6MB","confidence":0.78},{"callsign":"K7WFD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AB6MB,K7WFD","recording_id":128287,"started_at":"2026-06-28T05:25:37.854786+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":128181}