Fixed admin - remove user

backend/app/api/admin.py

@@ -83,8 +83,11 @@ def create_user(payload: AdminUserCreate, _: dict = Depends(require_admin)):
 def update_user_privileges(
     user_id: str,
     payload: AdminUserUpdate,
-    _: dict = Depends(require_admin),
+    current_user: dict = Depends(require_admin),
 ):
+    if user_id == current_user['id']:
+        raise HTTPException(status_code=400, detail='You cannot change your own administrator status')
+
     with get_connection() as conn:
         target = conn.execute(
             'SELECT id, is_admin FROM users WHERE id = ?',
@@ -126,6 +129,9 @@ def delete_user(user_id: str, current_user: dict = Depends(require_admin)):
             if admins <= 1:
                 raise HTTPException(status_code=400, detail='Cannot delete the last administrator')
 
+        conn.execute('DELETE FROM tokens WHERE user_id = ?', (user_id,))
+        conn.execute('DELETE FROM user_plugin_config WHERE user_id = ?', (user_id,))
+        conn.execute('DELETE FROM links WHERE user_id = ?', (user_id,))
         conn.execute('DELETE FROM users WHERE id = ?', (user_id,))
         conn.commit()
     return {'status': 'deleted', 'id': user_id}