{"type": "article", "title": "Claude's 20-block cache lookback silently kills agent loops —", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/claude-s-20-block-cache-lookback-silently-kills-agent-loops", "original_source": "https://promptcube3.com/en/threads/7182/", "published": "2026-08-21T16:12:20+00:00", "accessed": "2026-08-21", "id": "claude-s-20-block-cache-lookback-silently-kills-agent-loops"}