Redesign the users/create view: move and center the form inside a card, switch to a responsive grid layout, add icons/placeholders, and improve field styling (username, email, role, passwords). Add client-side features: password show/hide toggles and live password confirmation validation. Replace footer action layout with inline action buttons and add an informational panel explaining post-creation behavior. Cosmetic/tailwind updates including container width change to max-w-3xl and small accessibility/UX improvements (autofocus, input hints).
Introduces CSRF protection to all sensitive controller actions, integrates configurable CAPTCHA (reCAPTCHA v2/v3, Turnstile) for authentication and registration flows, and centralizes input validation via a new InputValidator helper. Adds new helpers and services for CSRF and CAPTCHA, updates settings and migration for CAPTCHA configuration, and enhances logging and error handling in TLD registry import processes. Also improves validation for user, domain, group, and profile inputs throughout the application.