{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T18:55:45.337750+00:00","duration_seconds":0.991314,"id":1630718,"input_summary":"chars=458 node=683211","metadata":{"llm_candidates":[{"callsign":"VA7SL","confidence":0.78},{"callsign":"VA3LP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=VA7SL,VA3LP","recording_id":161157,"started_at":"2026-07-12T18:55:44.346436+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157989}