Function GlobalKeybindingHandlers

src/hooks/useGlobalKeybindings.tsx:36–248

({
  screen,
  setScreen,
  showAllInTranscript,
  setShowAllInTranscript,
  messageCount,
  onEnterTranscript,
  onExitTranscript,
  virtualScrollActive,
  searchBarOpen = false
}: Props)

 * - ctrl+c/escape: Exit transcript mode
 */
export function GlobalKeybindingHandlers({
  screen,
  setScreen,
  showAllInTranscript,
  setShowAllInTranscript,
  messageCount,
  onEnterTranscript,
  onExitTranscript,
  virtualScrollActive,
  searchBarOpen = false
}: Props): null {
  const expandedView = useAppState(s => s.expandedView);
  const setAppState = useSetAppState();

  // Toggle todo list (ctrl+t) - cycles through views
  const handleToggleTodos = useCallback(() => {
    logEvent('tengu_toggle_todos', {
      is_expanded: expandedView === 'tasks'
    });
    setAppState(prev => {
      const {
        getAllInProcessTeammateTasks
      } =
      // eslint-disable-next-line @typescript-eslint/no-require-imports
      require('../tasks/InProcessTeammateTask/InProcessTeammateTask.js') as typeof import('../tasks/InProcessTeammateTask/InProcessTeammateTask.js');
      const hasTeammates = count(getAllInProcessTeammateTasks(prev.tasks), t => t.status === 'running') > 0;
      if (hasTeammates) {
        // Both exist: none → tasks → teammates → none
        switch (prev.expandedView) {
          case 'none':
            return {
              ...prev,
              expandedView: 'tasks' as const
            };
          case 'tasks':
            return {
              ...prev,
              expandedView: 'teammates' as const
            };
          case 'teammates':
            return {
              ...prev,
              expandedView: 'none' as const
            };
        }
      }
      // Only tasks: none ↔ tasks
      return {
        ...prev,
        expandedView: prev.expandedView === 'tasks' ? 'none' as const : 'tasks' as const
      };
    });
  }, [expandedView, setAppState]);

  // Toggle transcript mode (ctrl+o). Two-way prompt ↔ transcript.
  // Brief view has its own dedicated toggle on ctrl+shift+b.
  const isBriefOnly = feature('KAIROS') || feature('KAIROS_BRIEF') ?
  // biome-ignore lint/correctness/useHookAtTopLevel: feature() is a compile-time constant