feat(editor): dedupe connected collaborators by identity

feat(editor): authors & affiliations manager modal

fix(editor): preview the banner correctly in the Embed Studio

feat(editor): drag-and-drop reordering for authors and affiliations

feat(hero): persistent Edit + Delete buttons on the banner

feat(auth): surface canEdit in the topbar with an access badge

fix(toc): scope the hide-on-mobile rule to the desktop TOC only

feat(storage): first-class data - no silent failures in the persistence pipeline

feat(editor): show connected collaborators in the top bar

feat(publisher): editor pill shows who you're signed in as

feat(publisher): editor quick-link for signed-in editors

feat(editor): WYSIWYG NodeView for HfUser cards

feat(embed-studio): clickable chart list to switch files

fix(publisher): render HF user card via dedicated transformer

feat(demo): full showcase polish - mouse cursor, robust selection, HF affiliations

fix(ui,publisher): kill theme/color flickers and translation prompts

feat(editor): embed studio with data files and agent-aware editing

feat(frontend): editor refresh (embed studio, comment popover, shiki, top bar, hooks, styles)

refactor: remove MUI, unify publisher pipeline, add shared component registry

fix: TOC mobile toggle not visible due to CSS cascade order

feat: align component CSS with research-article-template

feat: show real HF username and avatar for connected users

fix: double TOC in published view and broken collapsible sections

feat: adopt template CSS architecture, hero/TOC/color alignment

refactor: split editor.css into tokens/article/editing layers