docs: CLAUDE 3구역 정책 + DOCS.md 지도 + component README task-spec 링크 정리

doc-reorg(C) Phase 4b+5:
- CLAUDE.md: doc-list 에 DOCS.md/CHANGELOG 추가 + zones(living/계약/증거) 정책 +
  "새 plan/handoff/per-feature spec 누적 금지(결정→HOTFIXES, 구조→ARCHITECTURE,
  릴리스→CHANGELOG)" 명문화. §Spec contract 재작성(task spec 삭제 반영: 유일
  frozen 계약 = 설계 doc, 구현 진실 = 코드). stale per-task-spec 참조 정정.
- docs/components/*/README.md (12): 삭제될 tasks/p*/ task-spec markdown 링크
  제거/plain-text 화 + 흡수된 crate(kebab-normalize→parse-md::normalize,
  kebab-parse-types→parse-md::types) 참조 정정.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012Mc6W1fgsrbFKTsqA6P8La

docs/components/store/README.md

@@ -143,10 +143,5 @@ flowchart LR
 ## 관련 spec / HOTFIXES
 
 - frozen 설계 §5.1 (meta), §5.2 (assets), §5.3 (documents), §5.4 (blocks), §5.5 (chunks + FTS5), §5.6 (embedding_records two-phase), §5.7 (jobs/ingest_runs/answers/eval_runs), §5.7a (chat_sessions/turns), §6.3 (lance table naming), §7.2 (DocumentStore/VectorStore/JobRepo/ChatSessionRepo): [`docs/superpowers/specs/2026-04-27-kebab-final-form-design.md`](../../superpowers/specs/2026-04-27-kebab-final-form-design.md)
-- task spec:
-  - SQLite store: [`tasks/p1/p1-6-store-sqlite.md`](../../../tasks/p1/p1-6-store-sqlite.md)
-  - FTS5 + V002: [`tasks/p2/p2-1-fts.md`](../../../tasks/p2/p2-1-fts.md)
-  - V003 + LanceDB + two-phase: [`tasks/p3/p3-3-store-vector.md`](../../../tasks/p3/p3-3-store-vector.md)
-  - V004 kv: [`tasks/p9/p9-fb-19-search-cache.md`](../../../tasks/p9/p9-fb-19-search-cache.md)
-  - V005 chat sessions: [`tasks/p9/p9-fb-17-chat-session-storage.md`](../../../tasks/p9/p9-fb-17-chat-session-storage.md)
+- task specs: 삭제됨(2026-06-27 doc-reorg) — 설계는 frozen 계약, 동작은 tasks/HOTFIXES.md, 상세 git history.
 - HOTFIXES (P7-3 storage UNIQUE bug + delete_by_chunk_ids follow-up, V004→V005 시프트): [`tasks/HOTFIXES.md`](../../../tasks/HOTFIXES.md)