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)/student/learning/page.tsx

@@ -1,5 +1,6 @@
 import Link from "next/link"
-import { BookOpen, PenTool, Library, ArrowRight } from "lucide-react"
+import { BookOpen, PenTool, Library, ArrowRight, UserX } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { getStudentClasses } from "@/modules/classes/data-access"
 import { getStudentHomeworkAssignments } from "@/modules/homework/data-access"
@@ -7,16 +8,16 @@ import { getCurrentStudentUser } from "@/modules/users/data-access"
 import { getTextbooks } from "@/modules/textbooks/data-access"
 import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
 import { EmptyState } from "@/shared/components/ui/empty-state"
-import { UserX } from "lucide-react"
 
 export const dynamic = "force-dynamic"
 
 export default async function StudentLearningPage() {
+  const t = await getTranslations("student")
   const student = await getCurrentStudentUser()
   if (!student) {
     return (
       <div className="space-y-8">
-        <EmptyState title="No user found" description="Create a student user to see learning." icon={UserX} />
+        <EmptyState title={t("learning.noUser")} description={t("learning.noUserDesc")} icon={UserX} />
       </div>
     )
   }
@@ -40,33 +41,33 @@ export default async function StudentLearningPage() {
 
   const cards = [
     {
-      title: "Courses",
-      description: "Your enrolled classes.",
+      title: t("learning.courses"),
+      description: t("learning.coursesDesc"),
       icon: BookOpen,
       href: "/student/learning/courses",
-      stat: `${classes.length} enrolled`,
+      stat: t("learning.enrolled", { count: classes.length }),
     },
     {
-      title: "Assignments",
-      description: "Homework and practice.",
+      title: t("learning.assignments"),
+      description: t("learning.assignmentsDesc"),
       icon: PenTool,
       href: "/student/learning/assignments",
-      stat: `${pendingCount} pending${dueSoonCount > 0 ? ` · ${dueSoonCount} due soon` : ""}`,
+      stat: t("learning.pending", { count: pendingCount }) + (dueSoonCount > 0 ? t("learning.dueSoon", { count: dueSoonCount }) : ""),
     },
     {
-      title: "Textbooks",
-      description: "Browse course materials.",
+      title: t("learning.textbooks"),
+      description: t("learning.textbooksDesc"),
       icon: Library,
       href: "/student/learning/textbooks",
-      stat: `${textbooks.length} available`,
+      stat: t("learning.available", { count: textbooks.length }),
     },
   ]
 
   return (
     <div className="space-y-8">
       <div>
-        <h2 className="text-2xl font-bold tracking-tight">My Learning</h2>
-        <p className="text-muted-foreground">Your learning hub: courses, assignments, and textbooks.</p>
+        <h2 className="text-2xl font-bold tracking-tight">{t("learning.title")}</h2>
+        <p className="text-muted-foreground">{t("learning.description")}</p>
       </div>
 
       <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">