{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T11:48:21.096202+00:00","duration_seconds":0.874622,"id":1787880,"input_summary":"chars=615 node=683210","metadata":{"llm_candidates":[{"callsign":"K4MMX","confidence":0.78},{"callsign":"W2BLT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4MMX,W2BLT","recording_id":171603,"started_at":"2026-07-17T11:48:20.221580+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167255}