plan 89: mark TOC generator directive as in progress

https://claude.ai/code/session_01CBgiv6yda2F489zPYiNPYu

Author: claude

PLAN.md

@@ -24,7 +24,7 @@ footer: |
 | 84  | 🔲     | [Symlink default-deny for file discovery](plan/84_symlink-default-deny.md)                           |
 | 85  | 🔳     | [Increase test coverage to 95% by extracting shared rule helpers](plan/85_coverage-to-95-percent.md) |
 | 86  | 🔳     | [Markdown flavor validation](plan/86_markdown-flavor-validation.md)                                  |
-| 89  | 🔲     | [TOC generator directive and MDS035 auto-fix](plan/89_toc-generator-directive.md)                    |
+| 89  | 🔳     | [TOC generator directive and MDS035 auto-fix](plan/89_toc-generator-directive.md)                    |
 | 90  | ✅     | [Isolate corpus test git config from host signing](plan/90_corpus-test-git-config-isolation.md)      |
 | 91  | 🔲     | [MDS037 skips paragraphs inside generated sections](plan/91_mds037-skip-generated-sections.md)       |
 <?/catalog?>

plan/89_toc-generator-directive.md

@@ -1,7 +1,7 @@
 ---
 id: 89
 title: TOC generator directive and MDS035 auto-fix
-status: "🔲"
+status: "🔳"
 summary: >-
   Add a `<?toc?>...<?/toc?>` generated-section
   directive that emits a nested list of the