feat(dashboard,diagnostic,elective): add widgets, layout, parent dashboard, role-config, services, elective components

dashboard:

- Add comparison-badge, dashboard-notification-widget, dashboard-responsive-layout, dashboard-time-range-filter

- Add parent-dashboard components directory

- Add config, hooks, and services directories

diagnostic:

- Add role-config and services directory

elective:

- Add elective-course-detail, elective-stats-cards, parent-selection-view components

- Add data-access-settings and data-access-stats

src/modules/dashboard/components/student-dashboard/student-dashboard-view.tsx

@@ -59,7 +59,7 @@ async function StudentDashboardBody({
         <StudentDashboardHeader studentName={student.name} />
       </header>
 
-      <DashboardSection variant="stats">
+      <DashboardSection variant="stats" ariaLabel={t("sections.quickStats")}>
         <StudentStatsGrid
           enrolledClassCount={dashboardProps.enrolledClassCount}
           dueSoonCount={dashboardProps.dueSoonCount}
@@ -74,15 +74,15 @@ async function StudentDashboardBody({
           aria-label={t("sections.upcomingAssignments")}
           className="lg:col-span-2 space-y-6"
         >
-          <DashboardSection variant="list">
+          <DashboardSection variant="list" ariaLabel={t("sections.upcomingAssignments")}>
             <StudentUpcomingAssignmentsCard upcomingAssignments={dashboardProps.upcomingAssignments} />
           </DashboardSection>
-          <DashboardSection variant="card">
+          <DashboardSection variant="card" ariaLabel={t("sections.grades")}>
             <StudentGradesCard grades={dashboardProps.grades} />
           </DashboardSection>
         </section>
         <aside aria-label={t("sections.todaySchedule")} className="space-y-6">
-          <DashboardSection variant="card">
+          <DashboardSection variant="card" ariaLabel={t("sections.todaySchedule")}>
             <StudentTodayScheduleCard items={dashboardProps.todayScheduleItems} />
           </DashboardSection>
         </aside>

src/modules/dashboard/components/student-dashboard/student-today-schedule-card.tsx

@@ -12,13 +12,9 @@ import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui
 import { EmptyState } from "@/shared/components/ui/empty-state"
 import { useCurrentTime } from "@/shared/hooks"
 import { cn } from "@/shared/lib/utils"
+import { timeToMinutes } from "@/modules/dashboard/lib/dashboard-utils"
 import type { StudentTodayScheduleItem } from "@/modules/dashboard/types"
 
-const timeToMinutes = (t: string): number => {
-  const [h, m] = t.split(":").map(Number)
-  return (h ?? 0) * 60 + (m ?? 0)
-}
-
 export function StudentTodayScheduleCard({ items }: { items: StudentTodayScheduleItem[] }) {
   const t = useTranslations("dashboard")
   const hasSchedule = items.length > 0

src/modules/dashboard/components/student-dashboard/student-upcoming-assignments-card.tsx

@@ -9,40 +9,18 @@ import { EmptyState } from "@/shared/components/ui/empty-state"
 import { StatusBadge } from "@/shared/components/ui/status-badge"
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/shared/components/ui/table"
 import { formatDate, cn } from "@/shared/lib/utils"
+import { getActionLabelKey, getActionVariant, getDueUrgency } from "@/modules/dashboard/lib/dashboard-utils"
 import type { StudentHomeworkAssignmentListItem } from "@/modules/homework/types"
 import {
   STUDENT_HOMEWORK_PROGRESS_VARIANT,
   STUDENT_HOMEWORK_PROGRESS_LABEL,
 } from "@/modules/homework/types"
 
-const getActionLabelKey = (status: string): "action.review" | "action.view" | "action.continue" | "action.start" => {
-  if (status === "graded") return "action.review"
-  if (status === "submitted") return "action.view"
-  if (status === "in_progress") return "action.continue"
-  return "action.start"
-}
-
-const getActionVariant = (status: string): "default" | "secondary" | "outline" => {
-  if (status === "graded" || status === "submitted") return "outline"
-  return "default"
-}
-
-const getDueUrgency = (dueAt: string | null): "overdue" | "urgent" | "warning" | "normal" | null => {
-  if (!dueAt) return null
-  const now = new Date()
-  const due = new Date(dueAt)
-  const diffHours = (due.getTime() - now.getTime()) / (1000 * 60 * 60)
-
-  if (diffHours < 0) return "overdue"
-  if (diffHours < 48) return "urgent"
-  if (diffHours < 120) return "warning"
-  return "normal"
-}
-
 export async function StudentUpcomingAssignmentsCard({ upcomingAssignments }: { upcomingAssignments: StudentHomeworkAssignmentListItem[] }) {
   const t = await getTranslations("dashboard")
   const locale = await getLocale()
   const hasAssignments = upcomingAssignments.length > 0
+  const now = new Date()
 
   return (
     <Card>
@@ -78,7 +56,7 @@ export async function StudentUpcomingAssignmentsCard({ upcomingAssignments }: {
               </TableHeader>
               <TableBody>
                 {upcomingAssignments.map((a) => {
-                  const urgency = getDueUrgency(a.dueAt)
+                  const urgency = getDueUrgency(a.dueAt, now)
                   const isGraded = a.progressStatus === "graded"
 
                   return (