feat(app): add error/loading boundaries across all dashboard routes and new routes

- Add error.tsx and loading.tsx boundaries for admin, parent, student, teacher routes

- Add admin announcements edit, audit-logs overview, curriculum-map, invitation-codes, permissions, questions, roles routes

- Add admin elective detail and components, files, course-plans, users, scheduling boundaries

- Add messages group-compose route

- Add parent course-plans, elective, grades report-card, practice routes

- Add student course-plans, elective detail, error-book dialogs, grades report-card, learning study-path, leave, schedule boundaries

- Add teacher attendance report, classes boundaries, course-plans boundaries, elective, exams analytics/edit-rich/all/create/new, grades report-card, homework boundaries, leave, lesson-plans calendar

- Add auth loading, onboarding loading, api cron

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

@@ -0,0 +1,29 @@
+"use client"
+
+import { AlertCircle } from "lucide-react"
+import { useTranslations } from "next-intl"
+
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function TeacherQuestionsError({
+  reset,
+}: {
+  error: Error & { digest?: string }
+  reset: () => void
+}) {
+  const t = useTranslations("questions")
+  return (
+    <div className="flex h-full flex-col items-center justify-center space-y-4 p-8">
+      <EmptyState
+        icon={AlertCircle}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{
+          label: t("error.retry"),
+          onClick: () => reset(),
+        }}
+        className="border-none shadow-none h-auto"
+      />
+    </div>
+  )
+}

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

@@ -1,11 +1,12 @@
 import type { JSX } from "react"
 import { Suspense } from "react"
 import { ClipboardList } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
-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 { QuestionBankResultsClient } from "@/modules/questions/components/question-bank-results-client"
+import { ImportExportButtons } from "@/modules/questions/components/import-export-buttons"
 import { EmptyState } from "@/shared/components/ui/empty-state"
 import { Skeleton } from "@/shared/components/ui/skeleton"
 import { getQuestions } from "@/modules/questions/data-access"
@@ -37,6 +38,8 @@ async function QuestionBankResults({ searchParams }: { searchParams: Promise<Sea
   const type = getParam(params, "type")
   const difficulty = getParam(params, "difficulty")
   const knowledgePointId = getParam(params, "kp")
+  const textbookId = getParam(params, "tb")
+  const chapterId = getParam(params, "ch")
 
   const questionType = parseQuestionType(type)
 
@@ -48,6 +51,8 @@ async function QuestionBankResults({ searchParams }: { searchParams: Promise<Sea
     type: questionType,
     difficulty: safeDifficulty,
     knowledgePointId: knowledgePointId && knowledgePointId !== "all" ? knowledgePointId : undefined,
+    textbookId: textbookId && textbookId !== "all" ? textbookId : undefined,
+    chapterId: chapterId && chapterId !== "all" ? chapterId : undefined,
     pageSize: 200,
   })
 
@@ -55,20 +60,23 @@ async function QuestionBankResults({ searchParams }: { searchParams: Promise<Sea
     q ||
       (type && type !== "all") ||
       (difficulty && difficulty !== "all") ||
-      (knowledgePointId && knowledgePointId !== "all")
+      (knowledgePointId && knowledgePointId !== "all") ||
+      (textbookId && textbookId !== "all") ||
+      (chapterId && chapterId !== "all")
   )
 
   if (questions.length === 0) {
+    const t = await getTranslations("questions")
     return (
       <EmptyState
         icon={ClipboardList}
-        title={hasFilters ? "No questions match your filters" : "No questions yet"}
+        title={hasFilters ? t("empty.withFilters") : t("empty.withoutFilters")}
         description={
           hasFilters
-            ? "Try clearing filters or adjusting keywords."
-            : "Create your first question to start building exams and assignments."
+            ? t("empty.withFiltersDesc")
+            : t("empty.withoutFiltersDesc")
         }
-        action={hasFilters ? { label: "Clear filters", href: "/teacher/questions" } : undefined}
+        action={hasFilters ? { label: t("filters.clear"), href: "/teacher/questions" } : undefined}
         className="h-[360px] bg-card"
       />
     )
@@ -76,7 +84,40 @@ async function QuestionBankResults({ searchParams }: { searchParams: Promise<Sea
 
   return (
     <div className="rounded-md border bg-card">
-      <QuestionDataTable columns={columns} data={questions} />
+      <QuestionBankResultsClient questions={questions} />
+    </div>
+  )
+}
+
+export default async function QuestionBankPage({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  const t = await getTranslations("questions")
+
+  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>
+          <h1 className="text-2xl font-bold tracking-tight">{t("title")}</h1>
+          <p className="text-muted-foreground">{t("subtitle")}</p>
+        </div>
+        <div className="flex items-center space-x-2">
+          <ImportExportButtons />
+          <CreateQuestionButton />
+        </div>
+      </div>
+
+      <div className="space-y-4">
+        <Suspense fallback={<div className="h-10 w-full animate-pulse rounded-md bg-muted" />}>
+          <QuestionFilters />
+        </Suspense>
+
+        <Suspense fallback={<QuestionBankResultsFallback />}>
+          <QuestionBankResults searchParams={searchParams} />
+        </Suspense>
+      </div>
     </div>
   )
 }
@@ -95,35 +136,3 @@ function QuestionBankResultsFallback() {
     </div>
   )
 }
-
-export default async function QuestionBankPage({
-  searchParams,
-}: {
-  searchParams: Promise<SearchParams>
-}): Promise<JSX.Element> {
-  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>
-          <h1 className="text-2xl font-bold tracking-tight">Question Bank</h1>
-          <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>
-
-        <Suspense fallback={<QuestionBankResultsFallback />}>
-          <QuestionBankResults searchParams={searchParams} />
-        </Suspense>
-      </div>
-    </div>
-  )
-}