在准备环境前提交次全部更改。

apps/backend/app/schemas/auth.py

@@ -0,0 +1,30 @@
+"""
+认证相关 Pydantic 模型。
+
+- LoginRequest：登录请求体
+- TokenResponse：令牌响应体
+- RefreshRequest：刷新令牌请求体
+"""
+
+from pydantic import BaseModel, Field
+
+
+class LoginRequest(BaseModel):
+    """登录请求。"""
+
+    username: str = Field(..., min_length=1, max_length=64, description="用户名")
+    password: str = Field(..., min_length=1, description="密码")
+
+
+class RefreshRequest(BaseModel):
+    """刷新令牌请求。"""
+
+    refresh_token: str = Field(..., min_length=1, description="刷新令牌")
+
+
+class TokenResponse(BaseModel):
+    """令牌响应。"""
+
+    access_token: str
+    refresh_token: str
+    token_type: str = "bearer"