{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T13:17:31.759328+00:00","duration_seconds":1.875937,"id":1500113,"input_summary":"chars=630 node=683210","metadata":{"llm_candidates":[{"callsign":"KU2AJO","confidence":0.78},{"callsign":"W2PUT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KU2AJO,W2PUT","recording_id":152269,"started_at":"2026-07-08T13:17:29.883391+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149882}