feat(web): migrate teacher attendance workflow

Add the React attendance console with manual, QR, and location check-in flows, record editing, Excel exchange, submission, risk signals, and course statistics. Preserve server-side task scope and archived-task restrictions.

web-react/src/app/App.tsx

@@ -37,6 +37,7 @@ const StudentExperimentGradesPage = lazy(() => import('../pages/StudentExperimen
 const CampusRegistrationsPage = lazy(() => import('../pages/CampusRegistrationsPage'))
 const StudentApprovalsPage = lazy(() => import('../pages/StudentApprovalsPage'))
 const TeacherRosterPage = lazy(() => import('../pages/TeacherRosterPage'))
+const TeacherAttendancePage = lazy(() => import('../pages/TeacherAttendancePage'))
 const AccountActivationPage = lazy(() => import('../pages/AccountActivationPage'))
 const OfficialDocumentVerifyPage = lazy(() => import('../pages/OfficialDocumentVerifyPage'))
 const ClassroomRepairReportPage = lazy(() => import('../pages/ClassroomRepairReportPage'))
@@ -116,6 +117,7 @@ function AppRoutes() {
           <Route path="/campus-registrations" element={<CampusRegistrationsPage />} />
           <Route path="/approvals" element={<StudentApprovalsPage />} />
           <Route path="/teacher-roster" element={<TeacherRosterPage />} />
+          <Route path="/teacher-attendance" element={<TeacherAttendancePage />} />
           <Route path="/" element={<Navigate to="/dashboard" replace />} />
         </Route>
         <Route path="*" element={<Navigate to="/dashboard" replace />} />