{"entity": "DoorKey-8x8", "url": "https://wpnews.pro/entity/DoorKey-8x8", "count": 1, "articles": [{"slug": "when-llm-reward-design-fails-diagnostic-driven-refinement-for-sparse-structured", "title": "When LLM Reward Design Fails: Diagnostic-Driven Refinement for Sparse Structured RL", "url": "https://wpnews.pro/news/when-llm-reward-design-fails-diagnostic-driven-refinement-for-sparse-structured", "published_at": "2026-05-29 04:00:00+00:00"}]}