Covers DesignState (40 tests), HouseRenderer (19), InteractionManager (24), ThemeManager (8), ExportManager (11), and CatalogPanel (30). Uses vitest with THREE.js mocks for browser-free testing.
Covers DesignState (40 tests), HouseRenderer (19), InteractionManager (24), ThemeManager (8), ExportManager (11), and CatalogPanel (30). Uses vitest with THREE.js mocks for browser-free testing.