Wiki cleanup: error-doc removal, dedup merge, link normalization

10_Wiki/Topics 대규모 정리:
- 오류 캡처/미완성 stub 문서 227개 제거
- 교차폴더 중복 43클러스터 병합 (63파일 → redirect)
- 링크명 정규화: 깨진 링크 수정·redirect 직결·개념 매핑 ~2,400건
- 카테고리 MOC 6개 신규 생성
- Graph 섹션 미해결 related-keyword 링크 10,058건 제거

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

10_Wiki/Topics/AI_and_ML/Universal Basic Income (UBI).md

@@ -119,10 +119,7 @@ dividend = fund_return / population
 **기본값**: NIT for fiscal pragmatism, full UBI for radical simplicity (high cost).
 
 ## 🔗 Graph
-- 부모: [[Welfare Policy]] · [[AI and Economics]]
-- 변형: [[Negative Income Tax]] · [[Job Guarantee]] · [[Sovereign Wealth Dividend]]
-- 응용: [[Poverty Alleviation]] · [[Future of Work]] · [[AI Safety Policy]]
-- Adjacent: [[Automation]] · [[Technological Unemployment]] · [[Yang Freedom Dividend]]
+- Adjacent: [[Technological Unemployment]]
 
 ## 🤖 LLM 활용
 **언제**: AI economic impact 분석, automation policy 토론, welfare reform 비교.