chore: 更新工具链与项目配置

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

index.html

@@ -1,13 +1,14 @@
 <!doctype html>
-<html lang="en">
+<html lang="zh-CN">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <link rel="icon" type="image/svg+xml" href="%APP_FAVICON%" />
     <meta
       name="viewport"
-      content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0"
+      content="%APP_VIEWPORT%"
     />
-    <title>React Vite App</title>
+    <meta name="description" content="%APP_DESCRIPTION%" />
+    <title>%APP_TITLE%</title>
   </head>
   <body>
     <div id="root"></div>