error toast. could not load user profile

src/app/admin/layout.tsx

@@ -65,7 +65,7 @@ export default async function AdminLayout({
               </Link>
             </SidebarMenuItem>
             <SidebarMenuItem>
-              <Link href="/admin/embed" className="w-full">
+                <Link href="/admin/embed" className='w-full'>
                     <SidebarMenuButton>
                         <Code2 />
                         Embed

src/lib/actions/user.ts

@@ -57,6 +57,14 @@ export async function updateUser(
   const userId = session.user.id;
 
   try {
+    // Check if another user with the same email exists
+    const existingUserStmt = db.prepare('SELECT id FROM users WHERE email = ? AND id != ?');
+    const existingUser = existingUserStmt.get(email, userId);
+
+    if (existingUser) {
+      return { success: false, error: 'Email already in use by another account.' };
+    }
+
     if (password && password.trim().length > 0) {
       // In a real app, you would hash the password here
       const stmt = db.prepare(
@@ -70,9 +78,6 @@ export async function updateUser(
     return { success: true };
   } catch (error: any) {
     console.error('Failed to update user:', error);
-     if (error.code === 'SQLITE_CONSTRAINT_UNIQUE') {
-      return { success: false, error: 'Email already in use by another account.' };
-    }
     return { success: false, error: 'Failed to update user profile due to a server error.' };
   }
 }