feat(hotkeys): Show scopes and app hotkeys on the landing page

[KevinVandy]

• Bumps @tanstack/react-hotkeys to ^0.15.1, the release that adds scopes. No other site code needed changes for it.
• Replaces the "Labels for each platform" section with "Hotkey scopes". The board's code sits on the left, with its edit dialog wrapped in <HotkeysProvider scope="dialog" exclusive>, and a live board sits on the right. E opens the dialog, the board's hotkey lines get "Suspended" tags, and ⌘S saves the issue instead of the board.
• Moves the platform and keyboard layout toggles into the "Shortcuts users can change" demo. That demo now declares its hotkeys with defineAppHotkeys, saves rebinding through useCustomHotkeys, and opens a ? cheat sheet built from useAppHotkeyList.
• Reworks "What a keydown listener misses". The cards now name the problems (dialogs, focused buttons and menus, AltGr, out-of-date cheat sheets) and sit next to a hand-patched keydown listener. Hovering a card highlights the line that patches it.
• The old IME card said composing Japanese or Chinese never triggers shortcuts. The library only blocks letter and key-position shortcuts during composition, so the new card says that.
• Rewrites the hero paragraph to say what Hotkeys is instead of listing its features.
• Updates the Hotkeys tagline and description in libraries.ts and hotkeys.tsx to mention scopes and rebinding.

Notes

The scopes demo's hotkeys listen on the board element, so it takes a click before J and E work. That keeps its J from also moving the list in the hero demo. While the dialog is open, its exclusive scope pauses every hotkey on the page, so the dialog closes when focus leaves the board.

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Latest commit: cde9a17

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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​tanstack/​react-hotkeys@​0.14.0 ⏵ 0.15.1	+1		+1	+1

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	tanstack-com	cde9a17	Commit Preview URL Branch Preview URL	Oct 19 2026, 06:08 PM

[tannerlinsley]

Found a small dismissal bug in the new cheat sheet demo that needs a follow-up.

AI review notes:
On the commit preview for cde9a17, I clicked “Cheat sheet”, then clicked inside the sheet. It stayed open, focus moved outside the shortcut target, and Escape no longer closed it. The overlay has no close button, and it covers the toggle underneath, so a pointer-only visitor also has no visible way to dismiss it.

A visible close button wired to the existing sheet state would give pointer and touch users a way out. Escape also needs to keep working after interacting with the sheet. This was checked in the desktop in-app browser, not on a physical touch device.