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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---
id: wiki-2026-0508-blog-post
title: Blog Post
category: 10_Wiki/Topics
status: verified
canonical_id: self
aliases: [Engineering Blog, Tech Writing]
duplicate_of: none
source_trust_level: A
confidence_score: 0.9
verification_status: applied
tags: [writing, content, devrel]
raw_sources: []
last_reinforced: 2026-05-10
github_commit: applied
tech_stack:
language: Markdown/MDX
framework: Astro/Next.js/Hugo
---
# Blog Post
## 매 한 줄
> **"매 잘 쓴 한 글이 1000번의 회의를 대체한다."**. Engineering blog post 는 매 internal knowledge 를 외부 (recruiting, brand, community) 와 미래 자신 에게 publish 하는 매 leveraged artifact. 2026 의 stack: Astro/Next.js + MDX + algolia search + RSS + open-graph + Schema.org + AI-generated TL;DR.
## 매 핵심
### 매 Strong Post 의 Anatomy
- **Hook**: 매 첫 두 문장 — problem + stake.
- **TL;DR / BLUF**: 매 결론 먼저.
- **Concrete numbers**: 매 "20% faster" not "much faster".
- **Code that runs**: 매 copy-pasteable, working snippet.
- **Diagrams**: 매 system 그림이 단어 100개를 대체.
- **Honest tradeoffs**: 매 안 좋은 점도 적기.
- **Sources**: 매 reference link.
### 매 Format Type
- **Tutorial**: 매 step-by-step, runnable.
- **Reference**: 매 spec-like.
- **Explainer / mental-model**: 매 "왜".
- **Postmortem**: 매 incident retrospective.
- **Decision record (ADR)**: 매 trade-off 기록.
- **Benchmark**: 매 measure + reproduce.
### 매 Stack 2026
- **Authoring**: MDX, code blocks with shiki/Prism, KaTeX math.
- **SSG**: Astro, Next.js, Hugo, Eleventy.
- **Hosting**: Vercel, Cloudflare Pages, Netlify, GitHub Pages.
- **Analytics**: Plausible, Fathom (privacy-friendly).
- **Feedback**: Giscus (GitHub Discussions).
### 매 응용
1. Engineering blog (Stripe, Cloudflare, Vercel style).
2. Personal site (Notion-style or Astro).
3. Internal wiki post.
4. Conference talk companion.
5. Open-source project announcement.
## 💻 패턴
### Astro + MDX setup
```bash
bun create astro@latest my-blog -- --template blog --typescript strict
cd my-blog && bunx astro add mdx sitemap
```
### Frontmatter schema (zod-validated)
```typescript
// src/content/config.ts
import { defineCollection, z } from 'astro:content';
export const collections = {
blog: defineCollection({
type: 'content',
schema: z.object({
title: z.string().max(70),
pubDate: z.coerce.date(),
tags: z.array(z.string()),
heroImage: z.string().optional(),
tldr: z.string().min(40).max(280),
}),
}),
};
```
### Code block with shiki + line highlight
````mdx
```ts {3-5}
function fib(n: number): number {
if (n < 2) return n;
// 매 highlighted recursion
return fib(n-1) + fib(n-2);
}
```
````
### Open Graph + JSON-LD
```html
<meta property="og:title" content={post.title}>
<meta property="og:description" content={post.tldr}>
<meta property="og:image" content={`https://blog.example.com/og/${post.slug}.png`}>
<script type="application/ld+json">{JSON.stringify({
"@context":"https://schema.org",
"@type":"BlogPosting",
"headline": post.title,
"datePublished": post.pubDate.toISOString(),
})}</script>
```
### Auto-generated OG image (Vercel OG)
```typescript
// pages/og/[slug].tsx
import { ImageResponse } from '@vercel/og';
export default function og(req) {
const title = new URL(req.url).searchParams.get('title');
return new ImageResponse(<div style={{fontSize:64,padding:80}}>{title}</div>, { width:1200, height:630 });
}
```
### TL;DR via LLM (build-time)
```typescript
// 매 build hook — generate 280-char summary
const tldr = await anthropic.messages.create({
model: 'claude-haiku-4',
max_tokens: 200,
messages: [{ role:'user', content:`Summarize in 2 sentences:\n\n${markdown}` }],
});
```
## 매 결정 기준
| 상황 | SSG |
|---|---|
| Content-heavy, fast | Astro |
| React stack, ISR | Next.js |
| Maximum simplicity | Hugo / Eleventy |
| Notion-style | Notion + Super |
| Self-host | Ghost |
**기본값**: 매 Astro + MDX + Vercel/Cloudflare Pages.
## 🔗 Graph
- 부모: [[Continuous-Discovery]]
- 변형: [[BLUF (Bottom Line Up Front)]]
- 응용: [[MECE Principle]]
- Adjacent: [[Edtech-Industry-Trends]]
## 🤖 LLM 활용
**언제**: TL;DR 생성, alt-text, SEO meta description, draft outline.
**언제 X**: 매 fact claim — 매 verify 안 한 LLM output 은 hallucination 위험.
## ❌ 안티패턴
- **Wall of text**: 매 heading + list 없이는 skim 불가.
- **Pseudocode only**: 매 reader 가 실행 못 함.
- **No metrics**: 매 "faster, better" 만 — concrete 숫자 필요.
- **Stale code**: 매 deprecated API 사용.
- **No date**: 매 reader 가 freshness 판단 불가.
## 🧪 검증 / 중복
- Verified: web.dev SEO docs; Schema.org BlogPosting; Astro docs.
- 신뢰도 A.
## 🕓 Changelog
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | Manual cleanup — anatomy + Astro/MDX/OG patterns |