[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]>

#include <stdio.h>

int main()
{
    fprintf(stderr, "This is stderr\n");
    printf("This is stdout\n");
    return 0;
}