feat(app): add lesson-plans, practice, and grade dashboard routes

- Add admin/lesson-plans, parent/lesson-plans, student/lesson-plans routes

- Add student/practice and teacher/practice routes for adaptive practice

- Add management/grade/dashboard and management/grade/practice routes

- Add teacher/lesson-plans error and loading boundaries

- Update existing admin, parent, student, teacher pages with new features

- Update globals.css and proxy middleware

src/app/(dashboard)/admin/users/page.tsx

@@ -1,5 +1,6 @@
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -7,9 +8,12 @@ import { getSearchParam, type SearchParams } from "@/shared/lib/utils"
 import { getAdminUsers, getAdminUserRoles } from "@/modules/users/data-access"
 import { AdminUsersView } from "@/modules/users/components/admin-users-view"
 
-export const metadata: Metadata = {
-  title: "用户管理 - Next_Edu",
-  description: "管理系统所有用户",
+export async function generateMetadata(): Promise<Metadata> {
+  const t = await getTranslations("users")
+  return {
+    title: `${t("title")} - Next_Edu`,
+    description: t("description"),
+  }
 }
 
 export const dynamic = "force-dynamic"