## Stack

- **Language:** JavaScript (ES modules), browser-first; no bundler
- **Key deps:** Vitest, jsdom (dev); static HTML/CSS/SVG templates

## Dev Commands

```bash
make install          # npm install
make test             # vitest
make test-watch       # vitest watch
make test-coverage    # coverage report
make serve            # local static server (index.html)
make dist             # distribution package
make dist-zip         # zip archive for offline/Windows use

# After workplan edits
statehub fix-consistency
```