T08a menus: menu, items, groups, separators, submenus, check and radio rows, key hints, icons; dropdown, split, overflow and context hosts; overlays pick on key release

tasks/ch01-10.md

@@ -146,8 +146,8 @@
 - [x] Button (T00)
 - [x] IconButton (T00)
 - [x] ButtonGroup
-- [x] SplitButton → lands with Menus (T08): its dropdown is a Menu
-- [x] DropdownButton / MenuButton → `menus::DropdownMenu` (T08)
+- [x] SplitButton → `menus::SplitButton` (T08a): its dropdown is a Menu
+- [x] DropdownButton / MenuButton → `menus::DropdownMenu` (T08a)
 - [x] ToggleButton
 - [x] ToggleGroup
 - [x] SegmentedControl
@@ -307,18 +307,21 @@
 - [x] SpotlightSearch → `navigation::SearchPalette`; T04 QuickLauncher opens it always on top
 - [x] Tour / Onboarding → lands with Overlays (T09): its steps are Coachmarks
 
-## T08 Menus — `src/menus`
+## T08a Menus · Menu & hosts — `src/menus`
+
+- [x] Menu / MenuItem / MenuGroup / MenuSeparator → `menus::Menu` (`group`, `separator`), `menus::MenuItem`
+- [x] SubMenu → `menus::MenuItem::submenu`
+- [x] CheckboxMenuItem → `menus::MenuItem::check`
+- [x] RadioMenuItem → `menus::MenuItem::radio`
+- [x] MenuItemShortcut → `menus::MenuItem::keys`
+- [x] MenuItemIcon → `menus::MenuItem::icon`
+- [x] ContextMenu → `menus::ContextMenu`
+- [x] DropdownMenu → `menus::DropdownMenu`; also T05 DropdownButton / MenuButton, and SplitButton as `menus::SplitButton`
+- [x] OverflowMenu → `menus::OverflowMenu`
+
+## T08b Menus · Bar, search & pie
 
-- [ ] Menu / MenuItem / MenuGroup / MenuSeparator
-- [ ] SubMenu
-- [ ] CheckboxMenuItem
-- [ ] RadioMenuItem
-- [ ] MenuItemShortcut
-- [ ] MenuItemIcon
-- [ ] ContextMenu
-- [ ] DropdownMenu — also T05 DropdownButton / MenuButton and SplitButton
 - [ ] MenuBar Menu — `menus::MenuBar`, also T04 MenuBar: the native menus, drawn in the window
-- [ ] OverflowMenu
 - [ ] MegaMenu
 - [ ] SearchableMenu
 - [ ] PieMenu / RadialMenu