[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]>

# npc

NPC/character system application.

## Files

- `main.c` - Main application code

## Building

```bash
bazel build //npc:npc
```