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

src/modules/user/user.service.ts

@@ -14,6 +14,24 @@ export const userService = {
         const user = await DrizzleClient.query.users.findFirst({ where: eq(users.username, username) });
         return user;
     },
+    getOrCreateUser: async (id: string, username: string, tx?: any) => {
+        const execute = async (txFn: any) => {
+            let user = await txFn.query.users.findFirst({
+                where: eq(users.id, BigInt(id)),
+                with: { class: true }
+            });
+
+            if (!user) {
+                const [newUser] = await txFn.insert(users).values({
+                    id: BigInt(id),
+                    username,
+                }).returning();
+                user = { ...newUser, class: null };
+            }
+            return user;
+        };
+        return tx ? await execute(tx) : await DrizzleClient.transaction(execute);
+    },
     createUser: async (id: string | bigint, username: string, classId?: bigint, tx?: any) => {
         const execute = async (txFn: any) => {
             const [user] = await txFn.insert(users).values({