{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T06:54:37.680427+00:00","duration_seconds":0.532165,"id":937397,"input_summary":"chars=1407 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK4RYG","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK4RYG","recording_id":38379,"started_at":"2026-06-28T06:54:37.148262+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":38380}