feat(platform): 开源发布 - 初始化 Open AI Canvas

web/src/pages/route-error.tsx

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+import { Button } from "antd";
+import { Home, RefreshCw } from "lucide-react";
+import { useNavigate, useRouteError } from "react-router";
+
+export default function RouteErrorPage() {
+    const error = useRouteError();
+    const navigate = useNavigate();
+    const message = error instanceof Error ? error.message : "页面暂时无法显示";
+
+    return (
+        <main className="grid h-dvh place-items-center bg-background px-6 text-foreground">
+            <section className="w-full max-w-md text-center">
+                <p className="text-xs font-medium text-muted-foreground">页面运行异常</p>
+                <h1 className="mt-3 text-2xl font-semibold">当前页面没有正常加载</h1>
+                <p className="mt-3 break-words text-sm leading-6 text-muted-foreground">{message}</p>
+                <div className="mt-6 flex justify-center gap-3">
+                    <Button icon={<RefreshCw className="size-4" />} onClick={() => window.location.reload()}>重新加载</Button>
+                    <Button type="primary" icon={<Home className="size-4" />} onClick={() => navigate("/")}>返回主页</Button>
+                </div>
+            </section>
+        </main>
+    );
+}