Flat dashboard with persistent project context

The dashboard used to make you click through Projects → a project → entries just to edit a post. Now your active project lives in a toolbar switcher and the routes are flat: /posts, /posts/new, /subscribers, /settings/project.

Old /projects/[id]/* links still work — they redirect to the flat equivalent and set the active project cookie on the way. Two clicks to get to writing, every time.