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Shared Packages

@tactile/ui primitives every surface depends on. First-mover work — iOS, Android, and Web are all blocked on these.

TacTile › Launch TacTile › Foundations › Shared Packages

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Add Dropdown / Menu primitive

DoneOwner · Vivt_5e285c7c

Accessible dropdown/menu primitive.

Unlocks 1Approve: Shared Packages

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## The task

**Add Dropdown / Menu primitive** · done

Accessible dropdown/menu primitive.

Where it sits: TacTile › Launch TacTile › Foundations › Shared Packages

## Unlocks 1

- Approve: Shared Packages

## The brief on file

Viv — add an accessible Dropdown/Menu primitive.

--- DONE 2026-07-27 (Viv) · commit a2d1605e ---
Shipped on @radix-ui/react-dropdown-menu with a stories file. Verified: tsc clean, build:web compiles.

Radix rather than hand-rolled because menus need roving tabindex, typeahead, collision-aware positioning, submenu open/close intent (the diagonal-mouse problem), Escape and outside-click dismissal, and correct menu/menuitem/menuitemcheckbox roles. Positioning alone is most of a library.

Deliberately shipped the FULL surface so features don't fall back to ad-hoc menus: items, checkbox items, radio items + groups, labels, separators, submenus, and a shortcut-hint slot. Two variants on DropdownMenuItem — `destructive` for delete/revoke/disconnect, and `inset` so a plain item lines up with checkbox/radio items in a mixed menu.

Note this is a MENU (actions), not a select (value entry). If a surface needs single-value selection, use the Select primitive from t_f4e9384b — it's a native <select> and gets the OS picker on mobile. Using a dropdown menu as a form control is the common misuse.

## How to work this

- Do the work, don't just plan it. If the fix is obvious and safe, make it.
- Surface anything needing Matthew's sign-off instead of deciding it yourself.
- Short replies. Lead with the answer, then stop.
- Finish by saying what changed, what you verified, and what you'd do next.

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Add Dropdown / Menu primitive