Keep focus visible across controls and stable during Contacts, Cockpit and mission roster updates. Preserve native short Space activation, and claim push-to-talk only after a 500 ms hold. Add panel Escape handling and keyboard-accessible attribution controls.
Retains the Map Source foundation contributed in https://github.com/bilawalsidhu/gods-eye-view/pull/171.
Keep the Esri settlement assertion exact, verify selected-source focus and Tab departure in Chromium, cancel pending work during disposal, and document the focused behavior.
Build on Tom-Neverwinter’s Map Source focus retry. Prefer the selected tile, and revoke delayed focus when the user moves focus, clicks, or closes the tray.