Add bio field to user model and update related components: Enhance leaderboard and profile features by including a bio field in user data. Update API routes, UI components, and validation logic to support bio input and display, improving user profiles and leaderboard entries.

app/leaderboard/page.tsx

@@ -9,6 +9,7 @@ interface LeaderboardEntry {
   score: number;
   level: number;
   avatar: string | null;
+  bio: string | null;
 }
 
 export default async function LeaderboardPage() {
@@ -23,6 +24,7 @@ export default async function LeaderboardPage() {
       score: true,
       level: true,
       avatar: true,
+      bio: true,
     },
   });
 
@@ -32,6 +34,7 @@ export default async function LeaderboardPage() {
     score: user.score,
     level: user.level,
     avatar: user.avatar,
+    bio: user.bio,
   }));
 
   const backgroundImage = await getBackgroundImage(