feat: implement CLI of role-based access control system (#10650)

### What problem does this PR solve?

- Add comprehensive RBAC support with role and permission management
- Implement CREATE/ALTER/DROP ROLE commands for role lifecycle
management
- Add GRANT/REVOKE commands for fine-grained permission control
- Support user role assignment via ALTER USER SET ROLE command
- Add SHOW ROLE and SHOW USER PERMISSION for permission inspection
- Implement corresponding RESTful API endpoints for role management
- Integrate role commands into existing command execution framework


### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

admin/server/auth.py

@@ -38,8 +38,8 @@ from api.utils.api_utils import (
     construct_response,
 )
 
-def setup_auth(login_manager):
 
+def setup_auth(login_manager):
     @login_manager.request_loader
     def load_user(web_request):
         jwt = Serializer(secret_key=settings.SECRET_KEY)
@@ -172,11 +172,18 @@ def login_verify(f):
 
         username = auth.parameters['username']
         password = auth.parameters['password']
-        if check_admin(username, password) is False:
+        try:
+            if check_admin(username, password) is False:
+                return jsonify({
+                    "code": 500,
+                    "message": "Access denied",
+                    "data": None
+                }), 200
+        except Exception as e:
+            error_msg = str(e)
             return jsonify({
-                "code": 403,
-                "message": "Access denied",
-                "data": None
+                "code": 500,
+                "message": error_msg
             }), 200
 
         return f(*args, **kwargs)