refactor(profile): centralize personal info in data module and update components

Move all personal information to a centralized data module and update components to use this source. This improves maintainability by having a single source of truth for profile data and makes it easier to update information across the application.

src/lib/data.ts

@@ -1,10 +1,47 @@
 export const personalInfo = {
-  name: "Guiyang Zhao",
-  location: "Shanghai, China",
-  avatar: "/images/avatar.jpg",
-  email: "zhaoguiyang@gmail.com",
+  name: "Joy Zhao",
+  location: "China",
+  avatar: "https://avatars.githubusercontent.com/u/24975063?v=4",
+  email: "zhaoguiyang18@gmail.com",
   github: "https://github.com/zhaoguiyang",
   linkedin: "https://linkedin.com/in/zhaoguiyang",
+  website: "https://zhaoguiyang.com",
+  twitter: "https://twitter.com/zhaoguiyang",
+  position: {
+    en: "Full Stack Engineer",
+    zh: "全栈工程师"
+  },
+  description: {
+    en: "Crafting elegant solutions to complex problems with clean code and innovative thinking. Welcome to my personal dev workspace where ideas come to life.",
+    zh: "用优雅的代码和创新的思维，为复杂问题打造精致的解决方案。欢迎来到我的个人开发工作空间，这里是想法变为现实的地方。"
+  },
+  about: {
+    en: [
+      "I'm a passionate developer with 5+ years of experience building web applications and contributing to open source projects. I specialize in creating clean, efficient, and maintainable code.",
+      "When I'm not coding, you can find me exploring new technologies, writing tech articles, or enjoying a fresh cup of coffee while debugging complex problems.",
+      "I believe in continuous learning and staying up-to-date with the latest industry trends and best practices."
+    ],
+    zh: [
+      "我是一名充满激情的全栈开发者，专注于构建现代化的Web应用程序。我热爱学习新技术，并将它们应用到实际项目中。",
+      "在前端开发方面，我精通React、Vue.js和现代JavaScript框架。在后端，我有丰富的Node.js、Python和Go语言开发经验。",
+      "我相信代码的力量可以改变世界，致力于编写干净、高效且可维护的代码。我也热衷于开源项目，喜欢与开发者社区分享知识和经验。"
+    ]
+  },
+  stats: {
+    repositories: 152,
+    commits: "42K",
+    contributions: 87
+  },
+  skills: {
+    frontend: ["React", "Vue.js", "Angular", "HTML5", "CSS3", "JavaScript/TypeScript"],
+    backend: ["Node.js", "Express", "Django", "Flask", "Spring Boot"],
+    database: ["MongoDB", "PostgreSQL", "MySQL", "Redis"],
+    devops: ["Docker", "Kubernetes", "AWS", "Azure", "CI/CD pipelines"],
+    mobile: ["React Native", "Flutter"]
+  },
+  terminal: {
+    username: "joy@dev-workspace" // 更新终端用户名
+  }
 };
 
 export const projects = {