docs(sw): Popup guidance, example comments, package README and link check

packages/sw/ai/examples/ExampleB-ViewerHeader.tsx

@@ -1,6 +1,10 @@
-// Example B — composition (2nd priority): a simplified viewer header
+// Example B — composition (2nd priority): a simplified SW NORMAL-mode header (SWHeader parts, not SWViewer*)
 //   Logo → File → Layer → Color → K
 // Only public components; the layout is the consumer's (example-layout.css) and <SWTheme> provides tokens.
+// SW normal mode: individual SWHeader controls inside <SWTheme>. It is NOT the SW viewer mode — a viewer screen
+// (DWG/DXF viewing) uses SWViewerHeader / SWViewerMenu / SWViewerPanel (Example H, VIEWER.md). "Viewer" in the file
+// name, the function name and the sample labels (aria-label "뷰어 헤더", logoAlt "뷰어") is a former name of this
+// sample product, kept so existing imports keep working.
 import { useState } from "react"
 import {
   SWHeaderActions, SWHeaderColorMenu, SWHeaderDocumentTitle, SWHeaderHome, SWHeaderLayerMenu, SWTheme,