fix:修导出时钟与切页卡顿

导出与播放共用模拟时钟；换循环、重排播放头、<grok-bot> 重挂和构建产物对齐。
自定义/动画面板留下不重画，角色高度对齐，表情走弹簧。

vite.config.ts

@@ -13,24 +13,37 @@ function serveReplica(): Plugin {
     '.svg': 'image/svg+xml',
     '.md': 'text/markdown; charset=utf-8'
   }
+  function middleware(
+    req: { url?: string },
+    res: { statusCode: number; setHeader: (k: string, v: string) => void; end: (b?: Buffer) => void },
+    next: () => void
+  ) {
+    if (!req.url?.startsWith('/replica/')) {
+      next()
+      return
+    }
+    const rel = decodeURIComponent(req.url.slice('/replica/'.length).split('?')[0] || '')
+    const file = path.resolve(root, rel)
+    if (!file.startsWith(root) || !fs.existsSync(file) || fs.statSync(file).isDirectory()) {
+      res.statusCode = 404
+      res.end()
+      return
+    }
+    res.setHeader('Content-Type', types[path.extname(file)] || 'application/octet-stream')
+    res.end(fs.readFileSync(file))
+  }
+
   return {
     name: 'serve-replica',
     configureServer(server) {
-      server.middlewares.use((req, res, next) => {
-        if (!req.url?.startsWith('/replica/')) {
-          next()
-          return
-        }
-        const rel = decodeURIComponent(req.url.slice('/replica/'.length).split('?')[0] || '')
-        const file = path.resolve(root, rel)
-        if (!file.startsWith(root) || !fs.existsSync(file) || fs.statSync(file).isDirectory()) {
-          res.statusCode = 404
-          res.end()
-          return
-        }
-        res.setHeader('Content-Type', types[path.extname(file)] || 'application/octet-stream')
-        res.end(fs.readFileSync(file))
-      })
+      server.middlewares.use(middleware)
+    },
+    configurePreviewServer(server) {
+      server.middlewares.use(middleware)
+    },
+    writeBundle(options) {
+      const dest = path.resolve(options.dir ?? 'dist', 'replica')
+      fs.cpSync(root, dest, { recursive: true })
     }
   }
 }