feat(EE): MFA implementation for enterprise edition

- Add TOTP-based two-factor authentication
- Add backup codes support
- Add MFA enforcement at workspace level
- Add MFA setup and challenge UI pages
- Support MFA for login and password reset flows
- Add MFA validation for secure pages

apps/client/package.json

@@ -39,6 +39,7 @@
     "jwt-decode": "^4.0.0",
     "katex": "0.16.22",
     "lowlight": "^3.3.0",
+    "mantine-form-zod-resolver": "^1.3.0",
     "mermaid": "^11.6.0",
     "mitt": "^3.0.1",
     "posthog-js": "^1.255.1",