Basic AI Tool for Writers 10.4.8

10.4.8: Rebuild Basic formatting toolbar around customizable commands and menus, editable names and Lucide icons, drag sorting, colors, density, and desktop follow-cursor mode while keeping mobile optional. Add option-level settings search with accent-insensitive alias matching (e.g. subescrito), direct navigation, and unified compact responsive settings UI. PT/EN docs and regression tests.