docs(readme): update tech stack

Update README tech stack sections in English and Simplified Chinese.

Author: jevin98

README.md

@@ -100,10 +100,12 @@ pnpm test:e2e
 
 ## Tech Stack
 
+-[pnpm](https://pnpm.io/) for package management
 -[WXT](https://wxt.dev/) for browser extension development
--[Vue 3](https://vuejs.org/) for the DevTools panel UI
--[Element Plus](https://element-plus.org/) and [Tailwind CSS](https://tailwindcss.com/) for interface components and styling
-- TypeScript and `vue-tsc` for type checking
+-[Vue 3](https://vuejs.org/) with TypeScript for the DevTools panel UI
+- shadcn-vue style local components, [Reka UI](https://reka-ui.com/), and [lucide-vue-next](https://lucide.dev/) for UI primitives and icons
+-[Tailwind CSS v4](https://tailwindcss.com/) for styling and design tokens
+-`vue-tsc`, [Vitest](https://vitest.dev/), and [Playwright](https://playwright.dev/) for type checking and verification
 - WXT/browser `i18n` for localized messages
 
 ## Inspiration

README.zh-CN.md

@@ -100,10 +100,12 @@ pnpm test:e2e
 
 ## 技术栈
 
+-[pnpm](https://pnpm.io/) 用于包管理
 -[WXT](https://wxt.dev/) 用于浏览器扩展开发
--[Vue 3](https://vuejs.org/) 用于 DevTools 面板 UI
--[Element Plus](https://element-plus.org/) 和 [Tailwind CSS](https://tailwindcss.com/) 用于界面组件与样式
-- TypeScript 和 `vue-tsc` 用于类型检查
+-[Vue 3](https://vuejs.org/) 搭配 TypeScript 用于 DevTools 面板 UI
+- shadcn-vue 风格的本地组件、[Reka UI](https://reka-ui.com/) 和 [lucide-vue-next](https://lucide.dev/) 用于 UI 基础组件与图标
+-[Tailwind CSS v4](https://tailwindcss.com/) 用于样式和设计 token
+-`vue-tsc`、[Vitest](https://vitest.dev/) 和 [Playwright](https://playwright.dev/) 用于类型检查与验证
 - WXT/browser `i18n` 用于本地化文案
 
 ## 灵感来源