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/users/data-access.ts

@@ -92,6 +92,22 @@ export async function updateUserProfileById(
   return await getUserProfile(userId)
 }
 
+/**
+ * Update a user's avatar image URL.
+ * Returns the updated user profile or null if the user was not found.
+ */
+export async function updateUserAvatar(
+  userId: string,
+  imageUrl: string | null
+): Promise<UserProfile | null> {
+  await db
+    .update(users)
+    .set({ image: imageUrl })
+    .where(eq(users.id, userId))
+
+  return await getUserProfile(userId)
+}
+
 export type UsersDashboardStats = {
   userCount: number
   activeSessionsCount: number