Fix build warnings: broken ai-modernize links, rename ai-for-windows-devs

- ai-build.md, ai-setup.md: Update ai-modernize.md links to new path
  in migrate-to-windows-app-sdk/
- Rename ai-for-windows-devs.md -> ai-for-windows-developers.md to fix
  'filename-incomplete' warning ('devs' is a disallowed abbreviation)
- Update toc.yml and agentic-tools.md to reference new filename

Co-authored-by: Copilot <[email protected]>

Author: GrantMeStrength

hub/apps/dev-tools/agentic-tools.md

@@ -73,5 +73,5 @@ For a complete walkthrough — including IDE setup, agent mode, MCP server confi
 ## Related content
 
 - [Set up GitHub Copilot for Windows development](../get-started/ai-setup.md)
-- [AI-assisted Windows development](../get-started/ai-for-windows-devs.md)
+- [AI-assisted Windows development](../get-started/ai-for-windows-developers.md)
 - [GitHub Copilot in Visual Studio](../how-tos/github-copilot-winui-vs.md)

hub/apps/get-started/ai-build.md

@@ -131,7 +131,7 @@ You've built a complete WinUI 3 notes app using:
 ## Next steps
 
 > [!div class="nextstepaction"]
-> [Modernize or port a Windows app with Copilot](ai-modernize.md)
+> [Modernize or port a Windows app with Copilot](../windows-app-sdk/migrate-to-windows-app-sdk/ai-modernize.md)
 
 - [Agentic AI tools for Windows development](../dev-tools/agentic-tools.md)
 - [Windows App Development CLI (winapp CLI)](../dev-tools/winapp-cli/index.md)

…/apps/get-started/ai-for-windows-devs.md …get-started/ai-for-windows-developers.mdhub/apps/get-started/ai-for-windows-devs.md renamed to hub/apps/get-started/ai-for-windows-developers.md hub/apps/get-started/ai-for-windows-devs.md renamed to hub/apps/get-started/ai-for-windows-developers.md

@@ -137,5 +137,5 @@ Extend Copilot's context further with additional Windows-specific MCP servers:
 > [!div class="nextstepaction"]
 > [Tutorial: Build a Windows app with GitHub Copilot](ai-build.md)
 
-- [Modernize or port a Windows app with Copilot](ai-modernize.md)
+- [Modernize or port a Windows app with Copilot](../windows-app-sdk/migrate-to-windows-app-sdk/ai-modernize.md)
 - [Agentic AI tools for Windows development](../dev-tools/agentic-tools.md) — full details on all tools

hub/apps/get-started/ai-setup.md

@@ -91,7 +91,7 @@ items:
   - name: Get started with AI for Windows development
     items:
     - name: AI-assisted Windows development
-      href: get-started/ai-for-windows-devs.md
+      href: get-started/ai-for-windows-developers.md
     - name: Set up GitHub Copilot for Windows development
       href: get-started/ai-setup.md
     - name: "Tutorial: Build a Windows app with GitHub Copilot"