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/classes/actions-teacher.ts

@@ -1,10 +1,11 @@
 "use server"
 
 import { revalidatePath } from "next/cache"
-import { requirePermission, PermissionDeniedError } from "@/shared/lib/auth-guard"
+import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 
 import type { ActionState } from "@/shared/types/action-state"
+import { handleActionError } from "@/shared/lib/action-utils"
 import {
   createTeacherClass,
   deleteTeacherClass,
@@ -68,11 +69,10 @@ export async function createTeacherClassAction(
       revalidatePath("/teacher/classes/schedule")
       return { success: true, message: "Class created successfully", data: id }
     } catch (error) {
-      return { success: false, message: error instanceof Error ? error.message : "Failed to create class" }
+      return handleActionError(error)
     }
   } catch (e) {
-    if (e instanceof PermissionDeniedError) return { success: false, message: e.message }
-    throw e
+    return handleActionError(e)
   }
 }
 
@@ -115,11 +115,10 @@ export async function updateTeacherClassAction(
       revalidatePath("/teacher/classes/schedule")
       return { success: true, message: "Class updated successfully" }
     } catch (error) {
-      return { success: false, message: error instanceof Error ? error.message : "Failed to update class" }
+      return handleActionError(error)
     }
   } catch (e) {
-    if (e instanceof PermissionDeniedError) return { success: false, message: e.message }
-    throw e
+    return handleActionError(e)
   }
 }
 
@@ -139,10 +138,9 @@ export async function deleteTeacherClassAction(classId: string): Promise<ActionS
       revalidatePath("/teacher/classes/schedule")
       return { success: true, message: "Class deleted successfully" }
     } catch (error) {
-      return { success: false, message: error instanceof Error ? error.message : "Failed to delete class" }
+      return handleActionError(error)
     }
   } catch (e) {
-    if (e instanceof PermissionDeniedError) return { success: false, message: e.message }
-    throw e
+    return handleActionError(e)
   }
 }