docs: fix stale slug references after rework-documentation renames

Author: git-nandor

CLAUDE.md

@@ -183,7 +183,7 @@ InstUI uses custom markdown with special code blocks (using [gray-matter](https:
 - Always write functional component examples with hooks
 - All InstUI components are available without imports in examples
 
-See `/docs/contributor-docs/writing-docs.md` for complete guidelines and syntax.
+See `/docs/contributing/writing-docs.md` for complete guidelines and syntax.
 
 ## Naming Conventions
 

docs/contributing/release.md

@@ -178,7 +178,7 @@ Update the fields in the file `./packages/__docs__/versions.json` with the lates
 
 ##### 4. Update version references in the docs app
 
-1. In `docs/getting-started/usage.md` update the version in the code snippet for `package.json`
+1. In `docs/guides/guides-getting-started.md` update the version in the code snippet for `package.json`
 2. In `packages/__docs__/src/Hero/index.tsx` update title of the Upgrade Guide button
 3. In `packages/__docs__/src/CodeSandboxButton/index.tsx` update the `@instructure/` dependencies to the latest version
 

packages/__docs__/buildScripts/ai-accessible-documentation/summaries-for-llms-file.json

@@ -461,7 +461,7 @@
     "summary": "v10 introduces a new color system. Upgrade step-by-step through major versions. Remove Instructure theme; use `canvas` or `canvas-high-contrast`. Migrate color overrides using new contrast values (e.g., `blue4570`). Theme-level overrides require per-component updates."
   },
   {
-    "title": "usage",
+    "title": "guides-getting-started",
     "summary": "Quick start: Create a React app, add `@instructure/ui`, wrap with `InstUISettingsProvider`, and use components. Integrate with existing projects by adding the dependency and provider. Read about theme overrides and accessibility for best practices."
   },
   {