{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T10:23:13.434760+00:00","duration_seconds":3.340283,"id":1187904,"input_summary":"chars=875 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KA4EMA","confidence":0.78},{"callsign":"K4EMA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KA4EMA,K4EMA","recording_id":6987,"started_at":"2026-06-29T10:23:10.094477+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":6988}