refactor(topics): 멀티 에이전트용 지식 재편 — _Common(공통 기본기) + Domain_* 구조
에이전트 8종(대화형/프로그래머 C·S/디자이너/설계자/기획자/QA/PD/PM)에게 [공통 기본 능력 + 롤별 Specialty] 2층으로 지식을 주입하기 위한 재분류. 문서 내용·포맷은 무수정, 폴더 이동만 (6,372개 문서 수 보존 확인). - Topic_Programming → Domain_Programming (내부 구조 보존) - Topic_Graphic → Domain_Design - Topic_Business → Domain_Product - Topic_General → Domain_General - _Common 신설: Math(구 Topic_Math_Specialty), Reasoning(구 General/From_Thinking & Reasoning), Reasoning_Creativity(구 General/From_창의성), Communication(Poetic_Blog_Writing + From_writing) - 타 도메인의 From_* 폴더는 유지 (출처 표기일 뿐, 이미 도메인에 맞게 분류된 문서) - 빈 폴더 정리 (memory/procedures) - 에이전트→폴더 매핑은 workspace의 .astra/agent-knowledge-map.json (9개 에이전트) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Antigravity Agent
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---
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id: wiki-2026-0508-프론트엔드-컴포넌트-구조화
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title: 프론트엔드 컴포넌트 구조화
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category: 10_Wiki/Topics
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status: verified
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canonical_id: self
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aliases: [Frontend Component Structure, Component Organization]
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duplicate_of: none
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source_trust_level: A
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confidence_score: 0.9
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verification_status: applied
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tags: [frontend, react, architecture, component-design]
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raw_sources: []
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last_reinforced: 2026-05-10
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github_commit: pending
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tech_stack:
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language: typescript
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framework: react-19/next-15
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---
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# 프론트엔드 컴포넌트 구조화
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## 매 한 줄
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> **"매 component 의 size, scope, composition 의 systematic decomposition"**. 매 atomic design (atom→molecule→organism), feature-based (colocation), compound component, headless UI 의 4-axis. 매 2026 의 default — feature-folder + headless primitives (Radix/Ark) + Server Components.
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## 매 핵심
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### 매 4 가지 axis
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1. **Size**: atom · molecule · organism · template · page (Atomic Design).
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2. **Scope**: feature-local vs shared / design system.
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3. **Composition**: leaf vs container vs compound vs headless.
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4. **Boundary**: Server Component vs Client Component (RSC).
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### 매 file/folder strategy
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- **Co-location**: `components/Button/{index.tsx, Button.css, Button.test.tsx, Button.stories.tsx}`.
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- **Feature folder**: `features/checkout/{components, hooks, api, types}` — feature 의 self-contained.
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- **Shared design system**: `packages/ui` — monorepo + workspace.
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### 매 응용
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1. Component library / design system 구축.
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2. Large app 의 modular feature decomposition.
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3. Server Components 의 server/client boundary 결정.
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## 💻 패턴
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### 1. Atomic Design folder
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```
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src/components/
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atoms/ Button, Input, Icon
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molecules/ SearchBar, FormField
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organisms/ Header, ProductCard
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templates/ CheckoutLayout
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```
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### 2. Feature-based folder (recommended 2026)
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```
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src/features/checkout/
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components/CheckoutForm.tsx
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hooks/useCheckout.ts
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api/createOrder.ts
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schemas/order.ts
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index.ts // public API
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```
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### 3. Compound component
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```tsx
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function Tabs({ children, defaultValue }: Props) {
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const [value, setValue] = useState(defaultValue);
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return <TabsContext.Provider value={{ value, setValue }}>{children}</TabsContext.Provider>;
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}
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Tabs.List = TabsList;
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Tabs.Trigger = TabsTrigger;
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Tabs.Content = TabsContent;
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// Usage:
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<Tabs defaultValue="a">
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<Tabs.List><Tabs.Trigger value="a">A</Tabs.Trigger></Tabs.List>
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<Tabs.Content value="a">...</Tabs.Content>
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</Tabs>
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```
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### 4. Headless component (Radix-style)
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```tsx
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function useDisclosure() {
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const [open, setOpen] = useState(false);
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return { open, toggle: () => setOpen(o => !o), close: () => setOpen(false) };
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}
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// Consumer styles freely
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function MyDialog() {
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const d = useDisclosure();
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return <div className="my-styles">{d.open && '...'}</div>;
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}
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```
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### 5. Server / Client boundary (Next.js 15)
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```tsx
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// app/products/page.tsx (Server Component — default)
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import { ProductList } from './ProductList';
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import { db } from '@/db';
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export default async function Page() {
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const products = await db.product.findMany();
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return <ProductList products={products} />;
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}
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// app/products/AddToCart.tsx
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'use client';
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export function AddToCart({ id }: { id: string }) {
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return <button onClick={() => addToCart(id)}>Add</button>;
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}
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```
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### 6. Polymorphic component (`as` prop)
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```tsx
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type BoxProps<T extends React.ElementType> = {
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as?: T;
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} & React.ComponentPropsWithoutRef<T>;
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function Box<T extends React.ElementType = 'div'>({ as, ...rest }: BoxProps<T>) {
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const Tag = as || 'div';
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return <Tag {...rest} />;
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}
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<Box as="a" href="/x">link</Box>;
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```
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### 7. Container / Presentational split (when useful)
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```tsx
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// Container — data + logic
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function UserListContainer() {
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const { data } = useUsers();
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return <UserListView users={data} />;
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}
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// Presentational — pure UI
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function UserListView({ users }: { users: User[] }) {
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return <ul>{users.map(u => <li key={u.id}>{u.name}</li>)}</ul>;
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}
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```
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### 8. Public API barrel (`index.ts`)
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```typescript
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// features/checkout/index.ts
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export { CheckoutForm } from './components/CheckoutForm';
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export { useCheckout } from './hooks/useCheckout';
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export type { Order } from './schemas/order';
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// 매 internal 은 export X — encapsulation.
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```
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## 매 결정 기준
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| 상황 | Approach |
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|---|---|
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| Design system | Atomic + headless (Radix/Ark) |
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| Product feature | Feature folder + co-location |
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| Multi-trigger UI (Tabs, Menu) | Compound component |
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| Style flexibility | Headless + custom CSS |
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| Next.js 15 app | Server-default, Client only when needed |
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| Reusable variant via tag | Polymorphic `as` |
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**기본값**: 매 feature folder + 매 headless primitives (Radix/Ark) + 매 Server Components default.
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## 🔗 Graph
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- 부모: [[Component-Composition|Component-Based Architecture]] · [[Large_Frontend_Projects|Frontend Architecture]]
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- 변형: [[Atomic Design]] · [[Component-Composition|Compound Components]] · [[Headless UI]] · [[Modern_Web_Rendering_and_Optimization|Server Components]]
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- 응용: [[Design System]] · [[Monorepo]]
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- Adjacent: [[Custom Hooks]] · [[Render_Props|Render Props]]
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## 🤖 LLM 활용
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**언제**: 매 large app 의 component decomposition 결정 시. 매 server/client boundary planning 시.
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**언제 X**: 매 prototype / single-page demo — 매 over-structuring 의 X.
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## ❌ 안티패턴
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- **God component**: 매 1000-line component — 매 split.
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- **Atomic Design 의 dogmatic 적용**: 매 feature 에는 feature folder 가 더 적합.
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- **'use client' 남발**: 매 root 에 client 선언 — 매 RSC benefit 상실.
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- **Container/Presentational 강요**: 매 hooks 시대에는 obsolete pattern.
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- **Barrel re-export 의 deep nesting**: 매 bundler tree-shaking 방해.
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## 🧪 검증 / 중복
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- Verified (React docs, Next.js 15 docs, Radix UI / Ark UI patterns).
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- 신뢰도 A.
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## 🕓 Changelog
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| 날짜 | 변경 |
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|---|---|
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| 2026-05-08 | Phase 1 |
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| 2026-05-10 | Manual cleanup — 4-axis decomposition + 8 patterns + RSC boundary |
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