[simonhamp]

Documents the gesture area changes that came out of NativePHP/dev-null-app#102, where a message follows the finger to show its actions.

This builds on #581, which adds pan-x, the pinch props and bounded to the same page, so it targets that branch. Merge #581 first. Keep this as a draft until NativePHP/mobile-air#625 and NativePHP/mobile-ui#183 are merged.

On the gesture area page:

• snap-x / snap-y in the props, and a "Swipe to reveal" section with a worked example. It covers the resistance past the outer points, how a flick picks the point, what @dragEnd reports, keeping the shared value on the component, and closing from PHP with setValue(). Let a gesture area's pan settle on snap points mobile-air#625 and Snap a gesture area's pan, and keep a one-axis pan off the other axis on iOS mobile-ui#183.
• An events list: @dragEnd, @pinchEnd and @swipe, plus the swipe-fingers prop, which Document the gesture area's bounded zoom props #581 left out. @dragEnd is badged 4.5 / mobile-ui 0.5, when it shipped. The other three go back to 4.0.
• "Scrolling and swipe back": a one-axis pan only takes drags along its axis on iOS (Snap a gesture area's pan, and keep a one-axis pan off the other axis on iOS mobile-ui#183), a sideways drag or swipe no longer pops the screen on iOS 26 while the edge swipe still does (Let a gesture area's swipe win over iOS 26's swipe back from mid-screen mobile-ui#181 and Snap a gesture area's pan, and keep a one-axis pan off the other axis on iOS mobile-ui#183), and a swipe no longer presses a pressable on Android (Stop a gesture area's swipe also pressing a pressable on Android mobile-ui#182).

Gestures & Animation gets one line pointing at snap points.

The snap badges say 4.7 and mobile-ui 0.9, the next releases. If NativePHP/mobile-air#625 or NativePHP/mobile-ui#183 miss them, those badges need bumping.

The example matches the dev-null app's message rows, which were tried on an iPhone. The page renders locally and the docs tests pass.

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