提供基本前后端骨架

app/services/__init__.py

@@ -0,0 +1,16 @@
+"""业务服务层"""
+
+from app.services.auth import AuthService
+from app.services.oauth2 import OAuth2Service
+from app.services.user import UserService
+from app.services.balance import BalanceService
+from app.services.redeem_code import RedeemCodeService
+
+__all__ = [
+    "AuthService",
+    "OAuth2Service",
+    "UserService",
+    "BalanceService",
+    "RedeemCodeService",
+]
+