Refine token validation and update user stats endpoint.

Extend access token validation to include a 10-second buffer to prevent potential expiry issues. Modify the user stats API call to use the base `/stats/user` endpoint for improved consistency.

src/components/repo/stats.ts

@@ -36,7 +36,7 @@ export class StatsRepo {
     }
 
     public async getUserStats(id: string): Promise<UserStats> {
-        return await fetchWithToken(this.token, `/stats/user/${id}`).then(value => value.json()).then(UserStatsSchema.parse);
+        return await fetchWithToken(this.token, `/stats/user`).then(value => value.json()).then(UserStatsSchema.parse);
     }
 }