feat: add auth module with login and access control

server/src/app/schemas/auth.py

@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from pydantic import BaseModel, EmailStr, Field
+
+
+class LoginRequest(BaseModel):
+    username: str = Field(min_length=1, max_length=255)
+    password: str = Field(min_length=1, max_length=128)
+
+
+class AuthUserRead(BaseModel):
+    username: str
+    name: str
+    role: str
+    roleCodes: list[str] = Field(default_factory=list)
+    email: EmailStr | str
+    avatar: str
+    isAdmin: bool = False
+
+
+class LoginResponse(BaseModel):
+    ok: bool = True
+    detail: str = "登录成功。"
+    user: AuthUserRead