feat: Implement userService.getOrCreateUser and integrate it across commands, remove old utility scripts, and fix daily bonus calculation.

src/commands/economy/daily.ts

@@ -1,6 +1,7 @@
 import { createCommand } from "@/lib/utils";
 import { SlashCommandBuilder, EmbedBuilder } from "discord.js";
 import { economyService } from "@/modules/economy/economy.service";
+import { userService } from "@/modules/user/user.service";
 
 export const daily = createCommand({
     data: new SlashCommandBuilder()