{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T12:53:38.408876+00:00","duration_seconds":2.983807,"id":1527424,"input_summary":"chars=818 node=683210","metadata":{"llm_candidates":[{"callsign":"KK40XX","confidence":0.78},{"callsign":"W2A","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KK40XX,W2A","recording_id":154131,"started_at":"2026-07-09T12:53:35.425069+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151556}