feat: 初始提交

tests/web/routes/404.test.tsx

@@ -0,0 +1,24 @@
+import { screen } from "@testing-library/react";
+import { describe, expect, test } from "bun:test";
+import { createElement } from "react";
+
+import { NotFoundPage } from "../../../src/web/pages/404";
+import { renderWithProviders } from "../test-utils";
+
+describe("NotFoundPage", () => {
+  test("渲染 404 页面", () => {
+    renderWithProviders(createElement(NotFoundPage));
+
+    expect(screen.getByText("404")).not.toBeNull();
+    expect(screen.getByText("您访问的页面不存在")).not.toBeNull();
+    expect(screen.getByText("返回首页")).not.toBeNull();
+  });
+
+  test("返回首页按钮存在且可点击", () => {
+    renderWithProviders(createElement(NotFoundPage));
+
+    const button = screen.getByText("返回首页");
+    expect(button).not.toBeNull();
+    expect(button.closest("button")).not.toBeNull();
+  });
+});