chore(sw): improve interactive header story preview

docs/sw/storybook-overview-qa/sw-build.txt

@@ -0,0 +1,17 @@
+
+> hm-design-system-poc@0.1.0 build:sw
+> npm run build -w @hm-design/sw
+
+
+> @hm-design/sw@0.1.0 build
+> node build.mjs
+
+vite v8.3.0 building client environment for production...
+transforming...
+✓ 69 modules transformed.
+rendering chunks...
+computing gzip size...
+dist/styles.css  100.39 kB │ gzip:  23.57 kB
+dist/index.js    712.25 kB │ gzip: 337.98 kB
+
+✓ built in 131ms