中文：收口权限与中心/立项配置改造

backend/app/schemas/user.py

@@ -40,7 +40,7 @@ class UserRegisterRequest(_PasswordValidator):
     email: EmailStr
     full_name: str = Field(min_length=1)
     role: RegisterRole
-    department: str = Field(min_length=1)
+    clinical_department: str = Field(min_length=1)
 
 
 class UserCreate(_PasswordValidator):
@@ -48,7 +48,7 @@ class UserCreate(_PasswordValidator):
     email: EmailStr
     full_name: str = Field(min_length=1)
     role: UserRole
-    department: str = Field(min_length=1)
+    clinical_department: str = Field(min_length=1)
     status: UserStatus = "ACTIVE"
 
 
@@ -58,7 +58,7 @@ class UserRead(BaseModel):
     username: str
     full_name: str
     role: UserRole
-    department: str
+    clinical_department: str
     status: UserStatus
     is_active: bool
     created_at: datetime
@@ -73,7 +73,7 @@ class UserUpdate(_PasswordValidator):
     email: Optional[EmailStr] = None
     full_name: Optional[str] = None
     role: Optional[UserRole] = None
-    department: Optional[str] = None
+    clinical_department: Optional[str] = None
     status: Optional[UserStatus] = None
     password: Optional[str] = None
     is_active: Optional[bool] = None
@@ -95,7 +95,7 @@ class AdminUserListResponse(BaseModel):
 
 class UserSelfUpdate(_PasswordValidator):
     full_name: Optional[str] = None
-    department: Optional[str] = None
+    clinical_department: Optional[str] = None
     password: Optional[str] = None
     current_password: Optional[str] = None
     avatar_url: Optional[str] = None