Fix fatal error: Address naming inconsistencies from WP Allstars to SEO Pro Stack refactoring

- Resolved class naming conflicts in auto-upload functionality
- Fixed menu slug from 'wp-allstars' to 'seoprostack'
- Corrected AJAX nonce references for consistency
- Updated JavaScript variable name to 'wpSeoProStack'
- Added deprecation notice to legacy auto-upload class

admin/settings.php

@@ -9,7 +9,7 @@ function wp_seoprostack_admin_menu() {
         'SEO Pro Stack Settings',
         'SEO Pro Stack',
         'manage_options',
-        'wp-allstars',
+        'seoprostack',
         'wp_seoprostack_settings_page'
     );
 }
@@ -31,7 +31,7 @@ add_action('admin_init', 'wp_seoprostack_register_settings');
 
 // AJAX handler for settings
 function wp_seoprostack_update_option() {
-    check_ajax_referer('wp-seoprostack-nonce', 'nonce');
+    check_ajax_referer('seoprostack-nonce', 'nonce');
     $option = sanitize_text_field($_POST['option']);
     $value = intval($_POST['value']);
     update_option($option, $value);