docs(storybook): simplify sidebar Story pages around the UI

Drop the category kicker from the 83 sidebar Stories (kicker is now optional;
hidden verification Stories keep it) and shorten or remove repeated, obvious
or internal page/section descriptions. Required specs, limits, virtual-data
and undecided-value notices stay. Story IDs, exports, fixtures, shared state
notes and package code are unchanged. Record: docs/reports/storybook-ui-simplification-2026-10-22.md

src/components/toggle-group.stories.tsx

@@ -3,7 +3,7 @@ import type { Meta, StoryObj } from "@storybook/react-vite"
 import { AlignCenterIcon, AlignLeftIcon, AlignRightIcon, BoldIcon, ItalicIcon, UnderlineIcon } from "lucide-react"
 import { ToggleGroup, ToggleGroupItem } from "@hm-design/ui"
 import { StateBoard } from "@/components/story-board"
-import { STORY_KICKER, StoryPage, StoryPageHeader, StorySection } from "@/components/story-page"
+import { StoryPage, StoryPageHeader, StorySection } from "@/components/story-page"
 
 // Toggle Group is a group of pressed-state items (toolbar-style), not a content switcher (that is Tabs). The representative Story
 // shows single / multiple / icon-only / disabled / vertical / spaced groups with real controls; the same specimens also exist as
@@ -137,15 +137,14 @@ export const All: Story = {
   render: () => (
     <StoryPage>
       <StoryPageHeader
-        kicker={STORY_KICKER.components}
         title="Toggle Group"
-        description="눌림 상태를 갖는 항목 묶음(툴바형)입니다. 내용을 전환하는 용도는 Tabs를 씁니다."
+        description="툴바형 눌림 항목 묶음 · 내용 전환은 Tabs 사용"
       />
       <StorySection title="Overview">{board("single")}</StorySection>
-      <StorySection title="Sizes" description="Icon-only / Icon + Text / Text-only.">
+      <StorySection title="Sizes">
         <Sizes />
       </StorySection>
-      <StorySection title="Variants" description="다중 선택, 세로 방향, 항목 간격(spacing)입니다.">{board("multiple", "vertical", "spaced")}</StorySection>
+      <StorySection title="Variants">{board("multiple", "vertical", "spaced")}</StorySection>
       <StorySection title="States">{board("disabled")}</StorySection>
       <StorySection title="Usage">{board("many")}</StorySection>
     </StoryPage>