{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T22:40:08.851142+00:00","duration_seconds":1.465952,"id":871021,"input_summary":"chars=277 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KQ4BG1","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KQ4BG1","recording_id":44745,"started_at":"2026-06-27T22:40:07.385190+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44746}