Hides ScreenHeader, LeftSidebar, and ExplorerSidebar on desktop,
replacing the split layout with the single focused pane. Respects
macOS traffic light padding in the tab bar when active. Shortcut
is restricted to workspace screens. Also nudges traffic light
buttons up 3px globally.
- Add useCloseTabs hook to centralize tab close state with stable closeTab callback and reactive closingTabIds
- Replace killTerminalMutation/isArchivingAgent props with closingTabIds Set in split container
- Stabilize archiveAgent callback by depending on mutateAsync instead of whole mutation object
- Add bail-out to focusTabInLayout and focusPaneInLayout when already focused
- Remove redundant isArchivingAgent guard (closeTab handles dedup)
Move tab switcher from bottom to top (after header), restyle as a
clean pressable row with chevron instead of count badge. Add "New
agent" and "New terminal" to header kebab menu. Fix BottomSheet
portal crash by nesting BottomSheetModalProvider inside QueryProvider.