[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]>

wrk.method = "POST"
wrk.body = '{ "hello": "world" }'
wrk.headers["Content-Type"] = "application/json"