[ui] Add semantic primitive ownership Build a layered Zenbu token and sizing system, make authored controls use native-underneath primitives, migrate mrjunejune without imposing visual surfaces, and document/enforce HTML ownership in the catalog and wiki. Co-authored-by: Copilot <[email protected]>

The *.tcl files in this directory are part of the SQLite's "autoconf"
bundle which are specific to the TEA(-ish) build. During the tarball
generation process, they are copied into <TOP>/autoconf/autosetup/teaish
(which itself is created as part of that process).