Module Update

src/app/(dashboard)/teacher/classes/my/page.tsx

@@ -0,0 +1,22 @@
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Users } from "lucide-react"
+
+export default function MyClassesPage() {
+  return (
+    <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
+      <div className="flex items-center justify-between space-y-2">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">My Classes</h2>
+          <p className="text-muted-foreground">
+            Overview of your classes.
+          </p>
+        </div>
+      </div>
+      <EmptyState
+        title="No classes found"
+        description="You are not assigned to any classes yet."
+        icon={Users}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/classes/page.tsx

@@ -0,0 +1,5 @@
+import { redirect } from "next/navigation"
+
+export default function ClassesPage() {
+  redirect("/teacher/classes/my")
+}

src/app/(dashboard)/teacher/classes/schedule/page.tsx

@@ -0,0 +1,22 @@
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Calendar } from "lucide-react"
+
+export default function SchedulePage() {
+  return (
+    <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
+      <div className="flex items-center justify-between space-y-2">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Schedule</h2>
+          <p className="text-muted-foreground">
+            View class schedule.
+          </p>
+        </div>
+      </div>
+      <EmptyState
+        title="No schedule available"
+        description="Your class schedule has not been set up yet."
+        icon={Calendar}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/classes/students/page.tsx

@@ -0,0 +1,22 @@
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { User } from "lucide-react"
+
+export default function StudentsPage() {
+  return (
+    <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
+      <div className="flex items-center justify-between space-y-2">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Students</h2>
+          <p className="text-muted-foreground">
+            Manage student list.
+          </p>
+        </div>
+      </div>
+      <EmptyState
+        title="No students found"
+        description="There are no students in your classes yet."
+        icon={User}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/dashboard/page.tsx

@@ -0,0 +1,28 @@
+import { TeacherStats } from "@/modules/dashboard/components/teacher-stats";
+import { TeacherSchedule } from "@/modules/dashboard/components/teacher-schedule";
+import { RecentSubmissions } from "@/modules/dashboard/components/recent-submissions";
+import { TeacherQuickActions } from "@/modules/dashboard/components/teacher-quick-actions";
+
+export default function TeacherDashboardPage() {
+  return (
+    <div className="flex-1 space-y-4">
+      <div className="flex items-center justify-between space-y-2">
+        <h2 className="text-3xl font-bold tracking-tight">Teacher Dashboard</h2>
+        <div className="flex items-center space-x-2">
+          <TeacherQuickActions />
+        </div>
+      </div>
+      
+      {/* Overview Stats */}
+      <TeacherStats />
+
+      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-7">
+        {/* Left Column: Schedule (3/7 width) */}
+        <TeacherSchedule />
+        
+        {/* Right Column: Recent Activity (4/7 width) */}
+        <RecentSubmissions />
+      </div>
+    </div>
+  );
+}

src/app/(dashboard)/teacher/exams/[id]/build/page.tsx

@@ -0,0 +1,76 @@
+import { notFound } from "next/navigation"
+import { ExamAssembly } from "@/modules/exams/components/exam-assembly"
+import { getExamById } from "@/modules/exams/data-access"
+import { getQuestions } from "@/modules/questions/data-access"
+import type { Question } from "@/modules/questions/types"
+import type { ExamNode } from "@/modules/exams/components/assembly/selected-question-list"
+import { createId } from "@paralleldrive/cuid2"
+
+export default async function BuildExamPage({ params }: { params: Promise<{ id: string }> }) {
+  const { id } = await params
+  
+  const exam = await getExamById(id)
+  if (!exam) return notFound()
+
+  // Fetch all available questions (for selection pool)
+  // In a real app, this might be paginated or filtered by exam subject/grade
+  const { data: questionsData } = await getQuestions({ pageSize: 100 })
+  
+  const questionOptions: Question[] = questionsData.map((q) => ({
+    id: q.id,
+    content: q.content as any,
+    type: q.type as any,
+    difficulty: q.difficulty ?? 1,
+    createdAt: new Date(q.createdAt),
+    updatedAt: new Date(q.updatedAt),
+    author: q.author ? {
+      id: q.author.id,
+      name: q.author.name || "Unknown",
+      image: q.author.image || null
+    } : null,
+    knowledgePoints: (q.questionsToKnowledgePoints || []).map((kp) => ({
+      id: kp.knowledgePoint.id,
+      name: kp.knowledgePoint.name
+    }))
+  }))
+
+  const initialSelected = (exam.questions || []).map(q => ({
+    id: q.id,
+    score: q.score || 0
+  }))
+
+  // Prepare initialStructure on server side to avoid hydration mismatch with random IDs
+  let initialStructure: ExamNode[] = exam.structure as ExamNode[] || []
+  
+  if (initialStructure.length === 0 && initialSelected.length > 0) {
+    initialStructure = initialSelected.map(s => ({
+      id: createId(), // Generate stable ID on server
+      type: 'question',
+      questionId: s.id,
+      score: s.score
+    }))
+  }
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Build Exam</h2>
+          <p className="text-muted-foreground">Add questions and adjust scores.</p>
+        </div>
+      </div>
+      <ExamAssembly
+        examId={exam.id}
+        title={exam.title}
+        subject={exam.subject}
+        grade={exam.grade}
+        difficulty={exam.difficulty}
+        totalScore={exam.totalScore}
+        durationMin={exam.durationMin}
+        initialSelected={initialSelected}
+        initialStructure={initialStructure}
+        questionOptions={questionOptions}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/exams/all/loading.tsx

@@ -0,0 +1,25 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-2">
+        <Skeleton className="h-7 w-40" />
+        <Skeleton className="h-4 w-72" />
+      </div>
+      <div className="space-y-3">
+        <Skeleton className="h-10 w-full" />
+        <div className="rounded-md border p-4">
+          <div className="space-y-2">
+            <Skeleton className="h-4 w-full" />
+            <Skeleton className="h-4 w-[95%]" />
+            <Skeleton className="h-4 w-[90%]" />
+            <Skeleton className="h-4 w-[85%]" />
+            <Skeleton className="h-4 w-[80%]" />
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}
+

src/app/(dashboard)/teacher/exams/all/page.tsx

@@ -0,0 +1,47 @@
+import { Suspense } from "react"
+import Link from "next/link"
+import { Button } from "@/shared/components/ui/button"
+import { ExamDataTable } from "@/modules/exams/components/exam-data-table"
+import { examColumns } from "@/modules/exams/components/exam-columns"
+import { ExamFilters } from "@/modules/exams/components/exam-filters"
+import { getExams } from "@/modules/exams/data-access"
+
+export default async function AllExamsPage({
+  searchParams,
+}: {
+  searchParams: Promise<{ [key: string]: string | string[] | undefined }>
+}) {
+  const params = await searchParams
+  
+  const exams = await getExams({
+    q: params.q as string,
+    status: params.status as string,
+    difficulty: params.difficulty as string,
+  })
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="flex flex-col justify-between space-y-4 md:flex-row md:items-center md:space-y-0">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">All Exams</h2>
+          <p className="text-muted-foreground">View and manage all your exams.</p>
+        </div>
+        <div className="flex items-center space-x-2">
+          <Button asChild>
+            <Link href="/teacher/exams/create">Create Exam</Link>
+          </Button>
+        </div>
+      </div>
+
+      <div className="space-y-4">
+        <Suspense fallback={<div className="h-10 w-full animate-pulse rounded-md bg-muted" />}> 
+          <ExamFilters />
+        </Suspense>
+
+        <div className="rounded-md border bg-card">
+          <ExamDataTable columns={examColumns} data={exams} />
+        </div>
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/teacher/exams/create/loading.tsx

@@ -0,0 +1,17 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-2">
+        <Skeleton className="h-7 w-40" />
+        <Skeleton className="h-4 w-72" />
+      </div>
+      <div className="space-y-4">
+        <Skeleton className="h-10 w-full" />
+        <Skeleton className="h-[240px] w-full" />
+      </div>
+    </div>
+  )
+}
+

src/app/(dashboard)/teacher/exams/create/page.tsx

@@ -0,0 +1,15 @@
+import { ExamForm } from "@/modules/exams/components/exam-form"
+
+export default function CreateExamPage() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Create Exam</h2>
+          <p className="text-muted-foreground">Design a new exam for your students.</p>
+        </div>
+      </div>
+      <ExamForm />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/exams/grading/[submissionId]/page.tsx

@@ -0,0 +1,40 @@
+import { notFound } from "next/navigation"
+import { GradingView } from "@/modules/exams/components/grading-view"
+import { getSubmissionDetails } from "@/modules/exams/data-access"
+import { formatDate } from "@/shared/lib/utils"
+
+export default async function SubmissionGradingPage({ params }: { params: Promise<{ submissionId: string }> }) {
+  const { submissionId } = await params
+  const submission = await getSubmissionDetails(submissionId)
+
+  if (!submission) {
+    return notFound()
+  }
+
+  return (
+    <div className="flex h-full flex-col space-y-4 p-6">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">{submission.examTitle}</h2>
+          <div className="flex items-center gap-4 text-sm text-muted-foreground mt-1">
+            <span>Student: <span className="font-medium text-foreground">{submission.studentName}</span></span>
+            <span>•</span>
+            <span>Submitted: {submission.submittedAt ? formatDate(submission.submittedAt) : "-"}</span>
+            <span>•</span>
+            <span className="capitalize">Status: {submission.status}</span>
+          </div>
+        </div>
+      </div>
+
+      <GradingView 
+        submissionId={submission.id}
+        studentName={submission.studentName}
+        examTitle={submission.examTitle}
+        submittedAt={submission.submittedAt}
+        status={submission.status || "started"}
+        totalScore={submission.totalScore}
+        answers={submission.answers}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/exams/grading/loading.tsx

@@ -0,0 +1,21 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-2">
+        <Skeleton className="h-7 w-40" />
+        <Skeleton className="h-4 w-72" />
+      </div>
+      <div className="rounded-md border p-4">
+        <div className="space-y-2">
+          <Skeleton className="h-4 w-full" />
+          <Skeleton className="h-4 w-[95%]" />
+          <Skeleton className="h-4 w-[90%]" />
+          <Skeleton className="h-4 w-[85%]" />
+        </div>
+      </div>
+    </div>
+  )
+}
+

src/app/(dashboard)/teacher/exams/grading/page.tsx

@@ -0,0 +1,22 @@
+import { SubmissionDataTable } from "@/modules/exams/components/submission-data-table"
+import { submissionColumns } from "@/modules/exams/components/submission-columns"
+import { getExamSubmissions } from "@/modules/exams/data-access"
+
+export default async function ExamGradingPage() {
+  const submissions = await getExamSubmissions()
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Grading</h2>
+          <p className="text-muted-foreground">Grade student exam submissions.</p>
+        </div>
+      </div>
+
+      <div className="rounded-md border bg-card">
+        <SubmissionDataTable columns={submissionColumns} data={submissions} />
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/teacher/exams/page.tsx

@@ -0,0 +1,5 @@
+import { redirect } from "next/navigation"
+
+export default function ExamsPage() {
+  redirect("/teacher/exams/all")
+}

src/app/(dashboard)/teacher/homework/assignments/page.tsx

@@ -0,0 +1,26 @@
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { PenTool } from "lucide-react"
+
+export default function AssignmentsPage() {
+  return (
+    <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
+      <div className="flex items-center justify-between space-y-2">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Assignments</h2>
+          <p className="text-muted-foreground">
+            Manage homework assignments.
+          </p>
+        </div>
+      </div>
+      <EmptyState
+        title="No assignments"
+        description="You haven't created any assignments yet."
+        icon={PenTool}
+        action={{
+          label: "Create Assignment",
+          href: "#"
+        }}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/homework/page.tsx

@@ -0,0 +1,5 @@
+import { redirect } from "next/navigation"
+
+export default function HomeworkPage() {
+  redirect("/teacher/homework/assignments")
+}

src/app/(dashboard)/teacher/homework/submissions/page.tsx

@@ -0,0 +1,22 @@
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Inbox } from "lucide-react"
+
+export default function SubmissionsPage() {
+  return (
+    <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
+      <div className="flex items-center justify-between space-y-2">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Submissions</h2>
+          <p className="text-muted-foreground">
+            Review student homework submissions.
+          </p>
+        </div>
+      </div>
+      <EmptyState
+        title="No submissions"
+        description="There are no homework submissions to review."
+        icon={Inbox}
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/questions/page.tsx

@@ -0,0 +1,74 @@
+import { Suspense } from "react"
+import { Plus } from "lucide-react"
+
+import { Button } from "@/shared/components/ui/button"
+import { QuestionDataTable } from "@/modules/questions/components/question-data-table"
+import { columns } from "@/modules/questions/components/question-columns"
+import { QuestionFilters } from "@/modules/questions/components/question-filters"
+import { CreateQuestionButton } from "@/modules/questions/components/create-question-button"
+import { MOCK_QUESTIONS } from "@/modules/questions/mock-data"
+import { Question } from "@/modules/questions/types"
+
+// Simulate backend delay and filtering
+async function getQuestions(searchParams: { [key: string]: string | string[] | undefined }) {
+  // In a real app, you would call your DB or API here
+  // await new Promise((resolve) => setTimeout(resolve, 500)) // Simulate network latency
+
+  let filtered = [...MOCK_QUESTIONS]
+
+  const q = searchParams.q as string
+  const type = searchParams.type as string
+  const difficulty = searchParams.difficulty as string
+
+  if (q) {
+    filtered = filtered.filter((item) => 
+      (typeof item.content === 'string' && item.content.toLowerCase().includes(q.toLowerCase())) ||
+      (typeof item.content === 'object' && JSON.stringify(item.content).toLowerCase().includes(q.toLowerCase()))
+    )
+  }
+
+  if (type && type !== "all") {
+    filtered = filtered.filter((item) => item.type === type)
+  }
+
+  if (difficulty && difficulty !== "all") {
+    filtered = filtered.filter((item) => item.difficulty === parseInt(difficulty))
+  }
+
+  return filtered
+}
+
+export default async function QuestionBankPage({
+  searchParams,
+}: {
+  searchParams: Promise<{ [key: string]: string | string[] | undefined }>
+}) {
+  const params = await searchParams
+  const questions = await getQuestions(params)
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="flex flex-col justify-between space-y-4 md:flex-row md:items-center md:space-y-0">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight">Question Bank</h2>
+          <p className="text-muted-foreground">
+            Manage your question repository for exams and assignments.
+          </p>
+        </div>
+        <div className="flex items-center space-x-2">
+          <CreateQuestionButton />
+        </div>
+      </div>
+
+      <div className="space-y-4">
+        <Suspense fallback={<div className="h-10 w-full animate-pulse rounded-md bg-muted" />}>
+           <QuestionFilters />
+        </Suspense>
+        
+        <div className="rounded-md border bg-card">
+          <QuestionDataTable columns={columns} data={questions} />
+        </div>
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/teacher/textbooks/[id]/loading.tsx

@@ -0,0 +1,66 @@
+import { Skeleton } from "@/shared/components/ui/skeleton";
+import { Separator } from "@/shared/components/ui/separator";
+
+export default function Loading() {
+  return (
+    <div className="space-y-6 max-w-5xl mx-auto">
+      {/* Header Skeleton */}
+      <div className="flex items-center gap-4">
+        <Skeleton className="h-10 w-10 rounded-md" /> {/* Back Button */}
+        <div className="flex-1 space-y-2">
+          <div className="flex items-center gap-2">
+            <Skeleton className="h-5 w-16" />
+            <Skeleton className="h-4 w-24" />
+          </div>
+          <Skeleton className="h-8 w-64" />
+        </div>
+        <Skeleton className="h-10 w-32" /> {/* Edit Button */}
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-8">
+        {/* Main Content Skeleton */}
+        <div className="md:col-span-2 space-y-6">
+          <div className="flex items-center justify-between">
+            <Skeleton className="h-6 w-40" />
+            <Skeleton className="h-8 w-24" />
+          </div>
+          
+          <div className="rounded-lg border bg-card p-6 space-y-4">
+             {Array.from({ length: 5 }).map((_, i) => (
+                <div key={i} className="flex items-center gap-4">
+                    <Skeleton className="h-6 w-6 rounded-md" />
+                    <Skeleton className="h-6 w-full rounded-md" />
+                </div>
+             ))}
+          </div>
+        </div>
+
+        {/* Sidebar Skeleton */}
+        <div className="space-y-6">
+          <div className="rounded-lg border bg-card p-6 space-y-4">
+             <Skeleton className="h-6 w-32 mb-4" />
+             <div className="space-y-2">
+                <Skeleton className="h-4 w-16" />
+                <Skeleton className="h-5 w-32" />
+             </div>
+             <div className="space-y-2">
+                <Skeleton className="h-4 w-20" />
+                <Skeleton className="h-20 w-full" />
+             </div>
+             <Separator />
+             <div className="grid grid-cols-2 gap-4">
+                <div className="space-y-2">
+                    <Skeleton className="h-3 w-12" />
+                    <Skeleton className="h-4 w-24" />
+                </div>
+                <div className="space-y-2">
+                    <Skeleton className="h-3 w-12" />
+                    <Skeleton className="h-4 w-24" />
+                </div>
+             </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}

src/app/(dashboard)/teacher/textbooks/[id]/page.tsx

@@ -0,0 +1,80 @@
+import { notFound } from "next/navigation";
+import { ArrowLeft, Edit } from "lucide-react";
+import Link from "next/link";
+import { Button } from "@/shared/components/ui/button";
+import { Badge } from "@/shared/components/ui/badge";
+import { getTextbookById, getChaptersByTextbookId, getKnowledgePointsByChapterId } from "@/modules/textbooks/data-access";
+import { TextbookContentLayout } from "@/modules/textbooks/components/textbook-content-layout";
+import { TextbookSettingsDialog } from "@/modules/textbooks/components/textbook-settings-dialog";
+
+export default async function TextbookDetailPage({
+  params,
+}: {
+  params: Promise<{ id: string }>;
+}) {
+  const { id } = await params;
+  
+  const [textbook, chapters] = await Promise.all([
+    getTextbookById(id),
+    getChaptersByTextbookId(id),
+  ]);
+
+  if (!textbook) {
+    notFound();
+  }
+
+  // Fetch all KPs for these chapters. In a real app, this might be optimized to fetch only needed or use a different query strategy.
+  // For now, we simulate fetching KPs for all chapters to pass down, or we could fetch on demand.
+  // Given the layout loads everything client-side for interactivity, let's fetch all KPs associated with any chapter in this textbook.
+  // We'll need to extend the data access for this specific query pattern or loop.
+  // For simplicity in this mock, let's assume getKnowledgePointsByChapterId can handle fetching all KPs for a textbook if we had such a function,
+  // or we iterate. Let's create a helper to get all KPs for the textbook's chapters.
+  
+  // Actually, let's update data-access to support getting KPs by Textbook ID directly or just fetch all for mock.
+  // Since we don't have getKnowledgePointsByTextbookId, we will map over chapters.
+  
+  const allKnowledgePoints = (await Promise.all(
+    chapters.map(c => getKnowledgePointsByChapterId(c.id))
+  )).flat();
+
+  // Also need to get KPs for children chapters if any
+  const childrenKPs = (await Promise.all(
+    chapters.flatMap(c => c.children || []).map(child => getKnowledgePointsByChapterId(child.id))
+  )).flat();
+
+  const knowledgePoints = [...allKnowledgePoints, ...childrenKPs];
+
+  return (
+    <div className="flex flex-col h-[calc(100vh-4rem)] overflow-hidden">
+      {/* Header / Nav (Fixed height) */}
+      <div className="flex items-center gap-4 py-4 border-b shrink-0 bg-background z-10">
+        <Button variant="ghost" size="icon" asChild>
+          <Link href="/teacher/textbooks">
+            <ArrowLeft className="h-4 w-4" />
+          </Link>
+        </Button>
+        <div className="flex-1">
+          <div className="flex items-center gap-2 mb-1">
+             <Badge variant="outline">{textbook.subject}</Badge>
+             <span className="text-xs text-muted-foreground uppercase tracking-wider font-medium">
+                {textbook.grade}
+             </span>
+          </div>
+          <h1 className="text-xl font-bold tracking-tight line-clamp-1">{textbook.title}</h1>
+        </div>
+        <div className="flex gap-2">
+            <TextbookSettingsDialog textbook={textbook} />
+        </div>
+      </div>
+
+      {/* Main Content Layout (Flex grow) */}
+      <div className="flex-1 overflow-hidden pt-6">
+        <TextbookContentLayout 
+            chapters={chapters} 
+            knowledgePoints={knowledgePoints}
+            textbookId={id} 
+        />
+      </div>
+    </div>
+  );
+}

src/app/(dashboard)/teacher/textbooks/loading.tsx

@@ -0,0 +1,48 @@
+import { Skeleton } from "@/shared/components/ui/skeleton";
+import { Card, CardContent, CardFooter, CardHeader } from "@/shared/components/ui/card";
+
+export default function Loading() {
+  return (
+    <div className="space-y-6">
+      {/* Header Skeleton */}
+      <div className="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
+        <div className="space-y-2">
+          <Skeleton className="h-8 w-48" />
+          <Skeleton className="h-4 w-96" />
+        </div>
+        <Skeleton className="h-10 w-32" />
+      </div>
+
+      {/* Toolbar Skeleton */}
+      <div className="flex flex-col gap-4 md:flex-row md:items-center justify-between bg-card p-4 rounded-lg border shadow-sm">
+        <Skeleton className="h-10 w-full md:w-96" />
+        <div className="flex gap-2 w-full md:w-auto">
+          <Skeleton className="h-10 w-[140px]" />
+          <Skeleton className="h-10 w-[140px]" />
+        </div>
+      </div>
+
+      {/* Grid Content Skeleton */}
+      <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6">
+        {Array.from({ length: 8 }).map((_, i) => (
+          <Card key={i} className="h-full overflow-hidden">
+            <div className="aspect-[4/3] w-full bg-muted/30 p-6 flex items-center justify-center">
+              <Skeleton className="h-24 w-20 rounded-sm" />
+            </div>
+            <CardHeader className="p-4 pb-2 space-y-2">
+              <Skeleton className="h-5 w-16" />
+              <Skeleton className="h-6 w-full" />
+            </CardHeader>
+            <CardContent className="p-4 pt-0 space-y-2">
+               <Skeleton className="h-4 w-24" />
+               <Skeleton className="h-4 w-32" />
+            </CardContent>
+            <CardFooter className="p-4 pt-0 mt-auto">
+               <Skeleton className="h-6 w-full rounded-md" />
+            </CardFooter>
+          </Card>
+        ))}
+      </div>
+    </div>
+  );
+}

src/app/(dashboard)/teacher/textbooks/page.tsx

@@ -0,0 +1,78 @@
+import { Search, Filter } from "lucide-react";
+import { Button } from "@/shared/components/ui/button";
+import { Input } from "@/shared/components/ui/input";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/shared/components/ui/select";
+import { TextbookCard } from "@/modules/textbooks/components/textbook-card";
+import { TextbookFormDialog } from "@/modules/textbooks/components/textbook-form-dialog";
+import { getTextbooks } from "@/modules/textbooks/data-access";
+
+export default async function TextbooksPage() {
+  // In a real app, we would parse searchParams here
+  const textbooks = await getTextbooks();
+
+  return (
+    <div className="space-y-6">
+      {/* Page Header */}
+      <div className="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">Textbooks</h1>
+          <p className="text-muted-foreground">
+            Manage your digital curriculum resources and chapters.
+          </p>
+        </div>
+        <TextbookFormDialog />
+      </div>
+
+      {/* Toolbar */}
+      <div className="flex flex-col gap-4 md:flex-row md:items-center justify-between bg-card p-4 rounded-lg border shadow-sm">
+        <div className="relative w-full md:w-96">
+          <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
+          <Input
+            placeholder="Search textbooks..."
+            className="pl-9 bg-background"
+          />
+        </div>
+        <div className="flex gap-2 w-full md:w-auto">
+          <Select>
+            <SelectTrigger className="w-[140px] bg-background">
+              <Filter className="mr-2 h-4 w-4 text-muted-foreground" />
+              <SelectValue placeholder="Subject" />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="all">All Subjects</SelectItem>
+              <SelectItem value="math">Mathematics</SelectItem>
+              <SelectItem value="physics">Physics</SelectItem>
+              <SelectItem value="history">History</SelectItem>
+              <SelectItem value="english">English</SelectItem>
+            </SelectContent>
+          </Select>
+          
+          <Select>
+            <SelectTrigger className="w-[140px] bg-background">
+              <SelectValue placeholder="Grade" />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="all">All Grades</SelectItem>
+              <SelectItem value="10">Grade 10</SelectItem>
+              <SelectItem value="11">Grade 11</SelectItem>
+              <SelectItem value="12">Grade 12</SelectItem>
+            </SelectContent>
+          </Select>
+        </div>
+      </div>
+
+      {/* Grid Content */}
+      <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6">
+        {textbooks.map((textbook) => (
+          <TextbookCard key={textbook.id} textbook={textbook} />
+        ))}
+      </div>
+    </div>
+  );
+}