feat: add showTime prop to DevelopmentInProgress component across multiple pages

frontend/src/components/DevelopmentInProgress.tsx

@@ -1,14 +1,15 @@
 import { Button } from "antd";
-
-const DevelopmentInProgress = ({ showHome = true }) => {
+const DevelopmentInProgress = ({ showHome = true, showTime = "" }) => {
   return (
     <div className="mt-40 flex flex-col items-center justify-center">
       <div className="hero-icon">🚧</div>
       <h1 className="text-2xl font-bold">功能开发中</h1>
-      <p className="mt-4">
-        为了给您带来更好的体验，我们计划<b>2025.10.30</b>
-        开放此功能
-      </p>
+      {showTime && (
+        <p className="mt-4">
+          为了给您带来更好的体验，我们计划<b>{showTime}</b>
+          开放此功能
+        </p>
+      )}
       {showHome && (
         <Button
           type="primary"