Kbridge/main/stale test 1 (#6464)

* Freshness update: control-patterns-and-interfaces.md

- Update ms.date to 03/16/2026
- Add WinUI 3 / Windows App SDK applicability note with link to Microsoft.UI.Xaml.Automation.Provider namespace
- Remove obsolete Windows Phone Store apps note (platform discontinued)
- Update keywords to include windows 11 and winui

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

* more ai suggestions and human refinements

* more ai suggestions and human refinements

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

Author: Karl-Bridge-Microsoft