refactor: replace direct EmbedBuilder usage with a new createBaseEmbed helper for consistent embed creation

src/commands/leveling/leaderboard.ts

@@ -1,9 +1,9 @@
 import { createCommand } from "@/lib/utils";
-import { SlashCommandBuilder, EmbedBuilder } from "discord.js";
+import { SlashCommandBuilder } from "discord.js";
 import { DrizzleClient } from "@/lib/DrizzleClient";
 import { users } from "@/db/schema";
 import { desc } from "drizzle-orm";
-import { createWarningEmbed } from "@lib/embeds";
+import { createWarningEmbed, createBaseEmbed } from "@lib/embeds";
 
 export const leaderboard = createCommand({
     data: new SlashCommandBuilder()
@@ -40,11 +40,7 @@ export const leaderboard = createCommand({
             return `${medal} **${user.username}** — ${value}`;
         }).join("\n");
 
-        const embed = new EmbedBuilder()
-            .setTitle(isXp ? "🏆 XP Leaderboard" : "💰 Richest Players")
-            .setDescription(description)
-            .setColor("Gold")
-            .setTimestamp();
+        const embed = createBaseEmbed(isXp ? "🏆 XP Leaderboard" : "💰 Richest Players", description, "Gold");
 
         await interaction.editReply({ embeds: [embed] });
     }