feat: integrate latest HMDesign design system updates

.storybook/main.ts

@@ -15,7 +15,7 @@ const config: StorybookConfig = {
   features: { sidebarOnboardingChecklist: false, changeDetection: false },
   // Verification Stories (the same sections as a component's representative Story) stay out of the sidebar by default.
   // They keep their Story IDs and stay reachable by direct URL and the sidebar tag filter.
-  tags: { verification: { defaultFilterSelection: "exclude" } },
+  tags: { verification: { defaultFilterSelection: "exclude" }, internal: { defaultFilterSelection: "exclude" } },
   // Storybook replaces vite.config's `server`, so watcher excludes go here.
   // _local/ (gitignored work copies, ~20k files) would otherwise make the Vite watcher stall the dev server.
   viteFinal: (config) => {