chore: initialize tuhui repository

backend/app/schemas/order.py

@@ -0,0 +1,30 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+
+# 创建订单
+class OrderCreate(BaseModel):
+    work_id: int
+    payment_method: str = "balance"  # balance, alipay, wechat
+
+# 订单响应
+class OrderResponse(BaseModel):
+    id: int
+    order_no: str
+    user_id: int
+    work_id: int
+    amount: float
+    payment_method: str
+    status: str
+    paid_at: Optional[datetime]
+    created_at: datetime
+    
+    class Config:
+        from_attributes = True
+
+# 支付响应
+class PaymentResponse(BaseModel):
+    success: bool
+    message: str
+    order_no: str
+    download_url: Optional[str] = None