chore(storybook): localize sidebar menus and hide unused stories

src/components/label.stories.tsx

@@ -27,6 +27,8 @@ function SpecimenGrid({ states }: { states: BoardState[] }) {
 
 const meta = {
   title: "Components/Form/Label",
+  // `internal` keeps it out of the sidebar by default; Story IDs and direct URLs stay valid.
+  tags: ["internal"],
   component: Label,
   parameters: {
     layout: "padded",

src/components/toggle-group.stories.tsx

@@ -116,7 +116,8 @@ function Sizes() {
 }
 
 // No `component`: ToggleGroup props are a union (single | multiple), so Stories without args would not type-check.
-const meta = { title: "Components/Form/Toggle Group", parameters: { layout: "padded" } } satisfies Meta
+// `internal` keeps it out of the sidebar by default; Story IDs and direct URLs stay valid.
+const meta = { title: "Components/Form/Toggle Group", tags: ["internal"], parameters: { layout: "padded" } } satisfies Meta
 export default meta
 type Story = StoryObj<typeof meta>
 

src/patterns/loading-screen.stories.tsx

@@ -22,7 +22,8 @@ function Fullscreen() {
   )
 }
 
-const meta = { title: "Patterns/Layout/Loading Screen", parameters: { layout: "padded", controls: { disable: true } } } satisfies Meta
+// `internal` keeps it out of the sidebar by default; Story IDs and direct URLs stay valid.
+const meta = { title: "Patterns/Layout/Loading Screen", tags: ["internal"], parameters: { layout: "padded", controls: { disable: true } } } satisfies Meta
 export default meta
 type Story = StoryObj<typeof meta>
 

src/sw/sw-header-home-menu.stories.tsx

@@ -116,6 +116,8 @@ function FitToPanel({ children }: { children: ReactNode }) {
 /** The sidebar Story: the logo menu of SWHeader (SW normal mode) with its Figma states and sub panel (the Escape stack demo is the hidden Integration Story). */
 export const HomeMenu: Story = {
   name: "Home Menu",
+  // `internal` keeps it out of the sidebar by default; Story ID and direct URL stay valid.
+  tags: ["internal"],
   render: () => (
     <StoryPage>
       <StoryPageHeader title="Home Menu — 로고(홈) 버튼 메뉴" description="SW 일반 모드 전용(뷰어 모드 미적용) · 로고 클릭으로 열고 닫기 · 상세 동작은 SW AI 가이드 COMPONENT_CATALOG" />

src/sw/sw-header.stories.tsx

@@ -453,6 +453,8 @@ const LOGO_CASES: { title: string; props: Partial<SWHeaderProps> }[] = [
 
 export const LogoSlot: Story = {
   name: "로고",
+  // `internal` keeps it out of the sidebar by default; Story ID and direct URL stay valid.
+  tags: ["internal"],
   parameters: { controls: { disable: true } },
   render: () => (
     <StoryPage>