add Registration Interface

app/models/oauth.py

@@ -1,6 +1,7 @@
 # OAuth 相关模型
 from __future__ import annotations
 
+from typing import List
 from pydantic import BaseModel
 
 
@@ -34,3 +35,22 @@ class OAuthErrorResponse(BaseModel):
     error_description: str
     hint: str
     message: str
+
+
+class RegistrationErrorResponse(BaseModel):
+    """注册错误响应模型"""
+    form_error: dict
+
+
+class UserRegistrationErrors(BaseModel):
+    """用户注册错误模型"""
+    username: List[str] = []
+    user_email: List[str] = []
+    password: List[str] = []
+
+
+class RegistrationRequestErrors(BaseModel):
+    """注册请求错误模型"""
+    message: str | None = None
+    redirect: str | None = None
+    user: UserRegistrationErrors | None = None