Enhance user profiles with character class feature: Add character class field to user model and update related API routes, UI components, and validation logic. This update improves user profile customization and leaderboard entries by allowing users to select and display their character class.

lib/preferences.ts

@@ -16,7 +16,7 @@ export async function getBackgroundImage(
     const imageKey = `${page}Background` as keyof typeof sitePreferences;
     const customImage = sitePreferences[imageKey];
 
-    return customImage || defaultImage;
+    return (customImage as string | null) || defaultImage;
   } catch (error) {
     console.error("Error fetching background image:", error);
     return defaultImage;