{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T19:42:28.479261+00:00","duration_seconds":1.776505,"id":1304341,"input_summary":"chars=706 node=683210","metadata":{"llm_candidates":[{"callsign":"AB6MB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=AB6MB","recording_id":138605,"started_at":"2026-07-02T19:42:26.702756+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137464}