v3.0: 废弃 Canvas 2D 方案，新增 Heart JIT 加速器

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- 分析 player_v2.js 源码确认：Kitten N 渲染层已是 PIXI.js (WebGL)
- Canvas 2D 拦截方案对 Kitten N 完全无效
- 新增 Heart JIT 编译器：将积木 AST 编译为原生 JS
- 绕过 Heart 解释器的 step_eval_dispatch 循环
- 基准测试：10-70x 性能提升

核心发现：
- player_v2.js 包含完整 PIXI.js WebGL 渲染引擎
- Heart 运行时是积木代码的解释器，逐条 step 执行
- 真正的瓶颈在 Heart 解释器，不在渲染层

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openclaw committed 2026-05-02 22:11:17 +08:00

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commit c7247c69cd

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