{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T22:40:21.581579+00:00","duration_seconds":1.448314,"id":871059,"input_summary":"chars=1072 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4LBS","confidence":0.78},{"callsign":"KN4LBF","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KN4LBS,KN4LBF","recording_id":44963,"started_at":"2026-06-27T22:40:20.133265+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44964}