feat: 初始化项目基础架构和核心功能

添加项目基础文件结构，包括Tauri配置、前端框架和核心功能模块
实现WebGPU渲染器基础、纹理管理和着色器
添加UI组件包括标题栏、确认对话框、帮助窗口等
设置状态管理存储和工具函数
配置构建工具和开发环境

src-tauri/capabilities/default.json

@@ -0,0 +1,40 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "core:window:default",
+    "core:window:allow-set-always-on-top",
+    "core:window:allow-is-always-on-top",
+    "core:window:allow-set-decorations",
+    "core:window:allow-set-ignore-cursor-events",
+    "core:window:allow-maximize",
+    "core:window:allow-unmaximize",
+    "core:window:allow-is-maximized",
+    "core:window:allow-minimize",
+    "core:window:allow-is-minimized",
+    "core:window:allow-close",
+    "core:window:allow-show",
+    "core:window:allow-hide",
+    "core:window:allow-is-visible",
+    "core:window:allow-set-focus",
+    "core:window:allow-start-dragging",
+    "core:event:default",
+    "core:event:allow-emit",
+    "core:event:allow-listen",
+    "opener:default",
+    "dialog:default",
+    "dialog:allow-open",
+    "dialog:allow-save",
+    "fs:default",
+    "fs:read-all",
+    "fs:write-all",
+    "clipboard-manager:default",
+    "clipboard-manager:allow-read-text",
+    "clipboard-manager:allow-read-image",
+    "clipboard-manager:allow-write-text",
+    "clipboard-manager:allow-write-image"
+  ]
+}