{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T13:17:31.477551+00:00","duration_seconds":2.360592,"id":1500111,"input_summary":"chars=630 node=683210","metadata":{"llm_candidates":[{"callsign":"KU2AJ0","confidence":0.78},{"callsign":"W2PUT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KU2AJ0,W2PUT","recording_id":152269,"started_at":"2026-07-08T13:17:29.116959+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149882}