refactor(modules): update existing module implementations across attendance, audit, auth, classes, course-plans, exams, files, homework, layout, proctoring, questions, scheduling, textbooks, users

- Update attendance components and data-access for record management

- Update audit log views, filters, and data-access

- Update auth login and register forms

- Update classes actions, components, and data-access (admin, schedule, stats)

- Update course-plans actions, form, list, progress, and schema

- Update exams actions, AI pipeline, preview components, and hooks

- Update files components (icon, list, preview, upload) and data-access

- Update homework assignment form, review view, auto-save hook, and stats-service

- Update layout sidebar, header, and navigation config

- Update proctoring actions, anti-cheat monitor, and data-access

- Update questions actions, components (dialog, actions, columns, filters), and data-access

- Update scheduling actions, auto-scheduler, components, and schema

- Update textbooks constants and text-selection hook

- Update users class-registration, import-dialog, data-access, and user-service

src/modules/attendance/components/attendance-sheet.tsx

@@ -210,14 +210,19 @@ export function AttendanceSheet({
     setIsSubmitting(true)
     formData.set("recordsJson", JSON.stringify(records))
 
-    const result = await batchRecordAttendanceAction(null, formData)
-    setIsSubmitting(false)
-    if (result.success) {
-      toast.success(result.message || t("sheet.saved"))
-      router.push("/teacher/attendance")
-      router.refresh()
-    } else {
-      toast.error(result.message || t("errors.unexpected"))
+    try {
+      const result = await batchRecordAttendanceAction(null, formData)
+      if (result.success) {
+        toast.success(result.message || t("sheet.saved"))
+        router.push("/teacher/attendance")
+        router.refresh()
+      } else {
+        toast.error(result.message || t("errors.unexpected"))
+      }
+    } catch {
+      toast.error(t("errors.unexpected"))
+    } finally {
+      setIsSubmitting(false)
     }
   }