{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:01:21.644031+00:00","duration_seconds":3.148673,"id":301478,"input_summary":"chars=404 node=683211","metadata":{"llm_candidates":[{"callsign":"W7JSM","confidence":1.0},{"callsign":"K5ST","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=W7JSM,K5ST","recording_id":106518,"started_at":"2026-06-25T03:01:18.495358+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":106519}