Introduces a 'tags' field to the domains table and UI, allowing users to organize domains with custom tags. Adds tag input and display to create, edit, bulk-add, and view pages, as well as tag-based filtering and bulk tag management (add/remove) in the domain list. Updates backend validation, controller logic, and migrations to support tags, including a new migration and index for efficient tag searches.
Introduces error log tracking with new ErrorLog model, controller, views, and migration. Adds admin UI for viewing, resolving, and deleting errors. Implements bulk actions for users and notification groups, refactors domain filtering/pagination, and centralizes admin access checks using Auth::requireAdmin().