trunk
Reader Spaces: stepped create wizard + Feeds/Topics reorganization (#112470)
Reader Spaces: pre-fill saved tags when customizing a space (#112511)
Reader Spaces: rename to "Create a space", fix hover overflow, reorder sidebar (#112433)
Reader Spaces: address spaces by slug in the URL (#112430)
Fix pointers, add claude.md referencing agents.md where missing, and reference un-referenced files so they can be reached (#113026)
Reader Spaces: dark mode support & sidebar polish (#112343)
Reader Spaces: split text/icon accent colors and extend color coverage (#112159)
Reader Spaces: tabbed Customize modal, Feed/Discover tabs, and space-view polish (#111934)
Reader: show 404 for unrecognized Reader paths instead of hanging (#112696)
Reader Spaces: let users choose a space's languages (#112046)
Reader Spaces: virtualized multi-layout space feed (POC) (#111800)