优化gemini网页版超长文本的流畅度，添加代码折叠功能。
经过实测，在未经优化的原生页面中，几十轮包含大量代码块的对话足以让浏览器严重掉帧。本脚本专为重度用户打造，实测显示：即使面对 30+ 轮的超长代码对话，依然能保持满血的流畅度！
特性： 采用动态时间分片调度，重构页面代码高亮（hljs）的渲染逻辑，彻底解决长文本堆积导致的滚动卡顿。
复用官方 UI，显示在代码块的复制按钮旁边。局部一键收起/展开，并完美修复了折叠时的滚动条乱跳问题。
[Beta] 顶部 Header 注入全局开关，一键折叠所有冗长代码，让你的阅读视野瞬间清爽。
Still struggling with the severe lag on Gemini's web interface during long sessions? > Try this script! Benchmark testing shows that even in heavy scenarios with 30+ turns of conversation containing massive code blocks, the scrolling and interaction remain buttery smooth.
Fiber-Optimized Rendering: Resolves frame-drops caused by heavy syntax highlighting.
Pixel-Perfect Local Folding: Seamlessly integrated UI with flawless scroll anchoring.
[Beta] Global Fold Engine: One-click toggle at the top navigation bar to collapse/expand all code blocks instantly.
| 指标 | 优化前 | 优化后 |
|---|---|---|
| INP (交互延迟) | 3542 ms (卡顿阻塞) | 83 ms (丝滑响应) |
