Implement full-screen touch joystick and fullscreen toggle#12

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Copilot wants to merge 13 commits intomainfrom

copilot/adapt-site-for-smartphone

Commits on Feb 10, 2026

Commits on Feb 11, 2026

Implement full-screen joystick and fullscreen button

Copilot
and
Linkatplug
committed
Address code review feedback - fix event casing, add constant, improve comments

Copilot
and
Linkatplug
committed