[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]>

{
  "imports": {
    "@oak/acorn": "jsr:@oak/acorn@^1.1.0",
    "@oak/oak": "jsr:@oak/oak@^16.1.0"
  }
}