{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T08:24:13.788895+00:00","duration_seconds":0.847465,"id":1158968,"input_summary":"chars=514 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4LDF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KN4LDF","recording_id":14435,"started_at":"2026-06-29T08:24:12.941430+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":14436}