refactor: 完善项目详情与侧边栏组件国际化实现

将 ProjectDetail 和 ProjectSidebar 组件中的硬编码文本替换为国际化翻译键，提升中英文支持一致性。

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/messages/zh.json

@@ -29,7 +29,25 @@
     "submitYourProject": "提交你的项目",
     "submitProjectTitle": "提交你的项目",
     "submitProjectDescription": "有值得分享的 AI 工具吗？将其添加到 Agent Park。",
-    "submitNow": "立即提交"
+    "submitNow": "立即提交",
+    "projectLinks": "项目链接",
+    "officialWebsite": "官方网站",
+    "githubRepo": "GitHub 仓库",
+    "license": "许可证",
+    "pricing": "定价",
+    "status": "状态",
+    "type": "类型",
+    "openSource": "开源",
+    "projectPreview": "项目预览",
+    "gettingStarted": "快速开始",
+    "installInstructions": "要安装此项目，请克隆仓库并安装依赖：",
+    "buildYourOwnAgent": "构建你自己的 Agent？",
+    "buildAgentDesc": "开始使用我们的 API，在几分钟内构建自定义 Agent。",
+    "getStartedNow": "立即开始",
+    "onThisPage": "本页内容",
+    "overview": "概述",
+    "keyFeatures": "核心功能",
+    "useCases": "使用场景"
   },
   "navigation": {
     "home": "首页",