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/Computer_Science_and_Theory/Partial-Differential-Equations.md

@@ -160,10 +160,7 @@ class SpectralConv1d(nn.Module):
 **기본값**: classical solving은 FEM (FEniCSx) or FVM (OpenFOAM); ML-side는 FNO; inverse problem은 PINN.
 
 ## 🔗 Graph
-- 부모: [[Mathematics]] · [[Numerical-Methods]] · [[Calculus]]
-- 변형: [[Heat-Equation]] · [[Wave-Equation]] · [[Navier-Stokes]] · [[Schrodinger-Equation]]
-- 응용: [[CFD]] · [[Structural-Mechanics]] · [[Option-Pricing]]
-- Adjacent: [[PINN]] · [[Neural-Operator]] · [[Diffusion-Models]] · [[Finite-Element-Method]]
+- Adjacent: [[PINN]] · [[Diffusion-Models]] · [[Finite-Element-Method]]
 
 ## 🤖 LLM 활용
 **언제**: PDE classification 설명, BC formulation help, weak form derivation, PINN architecture suggestion.