docs(10_Wiki): 위키 전체 재구성 — Topic_* 폴더를 4개 카테고리로 통합 + 대규모 중복 제거

Topic_Agent/Topic_Blog/Topics/Topics_Biz/Topics_Meeting/Topics_Rag의 마크다운 지식 문서를
Topic_General/Topic_Programming/Topic_Graphic/Topic_Business 4개 카테고리로 재분류.

- 중복 제거: frontmatter의 status:duplicate/merged + duplicate_of/redirect_to 필드로
  자기 자신을 중복으로 선언한 리다이렉트 stub 1032개 제거, 완전 동일 내용 파일 472개 제거,
  동일 파일명·다른 내용 충돌 시 더 큰(완전한) 버전만 유지(162개 제거) — 총 1639개 중복 제거.
- 분류: 폴더 단위로 명확한 항목(AI_and_ML/Coding/Architecture 등 → Programming,
  Comfyui/Visual_Effects → Graphic, Topics_Biz/Topics_Meeting/사업 등 → Business,
  Poetic_Blog_Writing/창의성/Game_Design 등 → General)은 폴더 우선순위로,
  나머지 혼재 폴더(Topic_Agent/Topic_Blog/Topics 루트/Thinking & Reasoning/Other/UI_UX_Assets)는
  title/tags 키워드 스코어링으로 파일 단위 분류(불명확한 경우 General로 폴백).
  원본 폴더명은 "From_*" 서브폴더로 보존해 추적 가능성 유지.
- 최종 배치: Programming 2784 / General 1608 / Graphic 285 / Business 249 = 4926개 문서.
- 에이전트 운영 상태(.astra/.agent/.obsidian/sessions/memory/_company/docs/lessons/_shared/src)는
  지식 콘텐츠가 아니므로 재분류 대상에서 제외하고 원위치 유지.
- Topics/Topic_email(상위 보호 폴더 Topic_email과 파일명 100% 중복) 삭제 — 보호 폴더 자체는 미변경.
- 완전히 비게 된 Topic_Agent/Topic_Blog/Topics_Biz/Topics_Rag 폴더 제거.
This commit is contained in:
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---
id: wiki-2026-0508-accordion
title: Accordion
category: 10_Wiki/Topics
status: verified
canonical_id: self
aliases: [Collapsible, Disclosure]
duplicate_of: none
source_trust_level: A
confidence_score: 0.9
verification_status: applied
tags: [ui, component, a11y]
raw_sources: []
last_reinforced: 2026-05-10
github_commit: pending
tech_stack:
language: TypeScript
framework: React
---
# Accordion
## 매 한 줄
> **"매 expand-on-demand UI primitive"**. 매 1980s desktop GUI 의 origin → 매 2026 web 의 ARIA disclosure pattern, FAQ/sidebar/settings 의 default density-saving widget.
## 매 핵심
### 매 mechanism
- 매 header (button) + 매 panel (region) 의 pair.
-`aria-expanded` + `aria-controls` + `region role` 의 a11y triplet.
- 매 single-expand (radio-like) vs multi-expand (checkbox-like).
### 매 modern stack
- 매 Radix UI `Accordion` (headless, WAI-ARIA-compliant).
- 매 React Aria, Headless UI, shadcn/ui Accordion.
- 매 native `<details>/<summary>` (free a11y, limited animation).
### 매 응용
1. FAQ pages (Stripe, GitHub docs).
2. Settings panels (VSCode sidebar).
3. Mobile navigation drawers.
## 💻 패턴
### Radix UI Accordion (single-expand)
```tsx
import * as Accordion from '@radix-ui/react-accordion';
export function FAQ() {
return (
<Accordion.Root type="single" collapsible defaultValue="item-1">
<Accordion.Item value="item-1">
<Accordion.Trigger className="flex w-full justify-between p-4">
What is React?
<ChevronDown className="transition-transform data-[state=open]:rotate-180" />
</Accordion.Trigger>
<Accordion.Content className="overflow-hidden data-[state=open]:animate-slideDown">
A library for UIs.
</Accordion.Content>
</Accordion.Item>
</Accordion.Root>
);
}
```
### Native `<details>` (zero-JS)
```html
<details>
<summary>Click to expand</summary>
<p>Hidden content.</p>
</details>
<style>
details[open] summary ~ * { animation: slideDown 200ms ease-out; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } }
</style>
```
### Custom hook (multi-expand)
```ts
function useAccordion(initial: string[] = []) {
const [open, setOpen] = useState(new Set(initial));
const toggle = (id: string) =>
setOpen(prev => {
const next = new Set(prev);
next.has(id) ? next.delete(id) : next.add(id);
return next;
});
return { isOpen: (id: string) => open.has(id), toggle };
}
```
### 매 height animation (interpolate to auto)
```css
[data-state='closed'] { grid-template-rows: 0fr; }
[data-state='open'] { grid-template-rows: 1fr; }
.panel { display: grid; transition: grid-template-rows 200ms; }
.panel > div { overflow: hidden; }
```
### 매 keyboard support (Radix-equivalent)
```ts
function onKeyDown(e: KeyboardEvent) {
if (e.key === 'ArrowDown') focusNextHeader();
if (e.key === 'ArrowUp') focusPrevHeader();
if (e.key === 'Home') focusFirstHeader();
if (e.key === 'End') focusLastHeader();
}
```
## 매 결정 기준
| 상황 | Approach |
|---|---|
| 0-JS, simple FAQ | `<details>` |
| Animated, controlled | Radix UI |
| Form section | Custom (preserve mounted state) |
**기본값**: Radix UI Accordion + Tailwind animations.
## 🔗 Graph
- 부모: [[Headless-UI]]
- 변형: [[Collapsible]]
- Adjacent: [[Radix-UI]] · [[ARIA]]
## 🤖 LLM 활용
**언제**: density-saving long-form lists, optional sections.
**언제 X**: critical information (hidden by default = missed); sequential workflows (use Stepper).
## ❌ 안티패턴
- **Multi-open by default 의 visual chaos**: Use single-expand for nav.
- **No `aria-expanded`**: screen readers 매 broken.
- **Animating `height: auto`**: Use grid-rows trick or `max-height`.
## 🧪 검증 / 중복
- Verified (Radix UI docs, WAI-ARIA Accordion Pattern).
- 신뢰도 A.
## 🕓 Changelog
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | Manual cleanup — Accordion FULL content with Radix patterns |