fix(users.py): update error message to be more generic and not reveal specific reason for username unavailability

fix(AdminPage/index.tsx): fix nullish assertion for create_at and updated_at properties to avoid potential errors
fix(signUpPage/index.tsx): fix error handling to correctly display error message
fix(types/components/index.ts): make id, create_at, and updated_at properties optional in UserInputType

src/backend/langflow/api/v1/users.py

@@ -43,7 +43,7 @@ def add_user(
         db.refresh(new_user)
     except IntegrityError as e:
         db.rollback()
-        raise HTTPException(status_code=400, detail="This username is unavailable as it has already been claimed. Please choose a different username.") from e
+        raise HTTPException(status_code=400, detail="This username is unavailable.") from e
 
     return new_user
 

src/frontend/src/pages/AdminPage/index.tsx

@@ -348,14 +348,14 @@ export default function AdminPage() {
                               </TableCell>
                               <TableCell className="truncate py-2 ">
                                 {
-                                  new Date(user.create_at)
+                                  new Date(user.create_at!)
                                     .toISOString()
                                     .split("T")[0]
                                 }
                               </TableCell>
                               <TableCell className="truncate py-2">
                                 {
-                                  new Date(user.updated_at)
+                                  new Date(user.updated_at!)
                                     .toISOString()
                                     .split("T")[0]
                                 }

src/frontend/src/pages/signUpPage/index.tsx

@@ -51,7 +51,7 @@ export default function SignUp(): JSX.Element {
         } = error;
         setErrorData({
           title: "Error signing up",
-          list: [detail[0].msg],
+          list: [detail],
         });
         return;
       });

src/frontend/src/types/components/index.ts

@@ -266,9 +266,9 @@ export type UserInputType = {
   password: string;
   is_active?: boolean;
   is_superuser?: boolean;
-  id: string;
-  create_at: string;
-  updated_at:string;
+  id?: string;
+  create_at?: string;
+  updated_at?:string;
 };
 
 export type ApiKeyType = {