bug(ui) make it clear when users need to enter selection mode and fix clear issue. (#13083)

packages/cli/src/ui/AppContainer.tsx

@@ -109,7 +109,7 @@ import { disableMouseEvents, enableMouseEvents } from './utils/mouse.js';
 import { useAlternateBuffer } from './hooks/useAlternateBuffer.js';
 import { useSettings } from './contexts/SettingsContext.js';
 
-const CTRL_EXIT_PROMPT_DURATION_MS = 1000;
+const WARNING_PROMPT_DURATION_MS = 1000;
 const QUEUE_ERROR_DISPLAY_DURATION_MS = 3000;
 
 function isToolExecuting(pendingHistoryItems: HistoryItemWithoutId[]) {
@@ -892,6 +892,7 @@ Logging in with Google... Please restart Gemini CLI to continue.
   >();
   const [showEscapePrompt, setShowEscapePrompt] = useState(false);
   const [showIdeRestartPrompt, setShowIdeRestartPrompt] = useState(false);
+  const [selectionWarning, setSelectionWarning] = useState(false);
 
   const { isFolderTrustDialogOpen, handleFolderTrustSelect, isRestarting } =
     useFolderTrust(settings, setIsTrustedFolder, historyManager.addItem);
@@ -901,6 +902,26 @@ Logging in with Google... Please restart Gemini CLI to continue.
   } = useIdeTrustListener();
   const isInitialMount = useRef(true);
 
+  useEffect(() => {
+    let timeoutId: NodeJS.Timeout;
+    const handleSelectionWarning = () => {
+      setSelectionWarning(true);
+      if (timeoutId) {
+        clearTimeout(timeoutId);
+      }
+      timeoutId = setTimeout(() => {
+        setSelectionWarning(false);
+      }, WARNING_PROMPT_DURATION_MS);
+    };
+    appEvents.on(AppEvent.SelectionWarning, handleSelectionWarning);
+    return () => {
+      appEvents.off(AppEvent.SelectionWarning, handleSelectionWarning);
+      if (timeoutId) {
+        clearTimeout(timeoutId);
+      }
+    };
+  }, []);
+
   useEffect(() => {
     if (ideNeedsRestart) {
       // IDE trust changed, force a restart.
@@ -976,7 +997,7 @@ Logging in with Google... Please restart Gemini CLI to continue.
       ctrlCTimerRef.current = setTimeout(() => {
         setCtrlCPressCount(0);
         ctrlCTimerRef.current = null;
-      }, CTRL_EXIT_PROMPT_DURATION_MS);
+      }, WARNING_PROMPT_DURATION_MS);
     }
   }, [ctrlCPressCount, config, setCtrlCPressCount, handleSlashCommand]);
 
@@ -994,7 +1015,7 @@ Logging in with Google... Please restart Gemini CLI to continue.
       ctrlDTimerRef.current = setTimeout(() => {
         setCtrlDPressCount(0);
         ctrlDTimerRef.current = null;
-      }, CTRL_EXIT_PROMPT_DURATION_MS);
+      }, WARNING_PROMPT_DURATION_MS);
     }
   }, [ctrlDPressCount, config, setCtrlDPressCount, handleSlashCommand]);
 
@@ -1345,6 +1366,7 @@ Logging in with Google... Please restart Gemini CLI to continue.
       embeddedShellFocused,
       showDebugProfiler,
       copyModeEnabled,
+      selectionWarning,
     }),
     [
       isThemeDialogOpen,
@@ -1430,6 +1452,7 @@ Logging in with Google... Please restart Gemini CLI to continue.
       apiKeyDefaultValue,
       authState,
       copyModeEnabled,
+      selectionWarning,
     ],
   );
 

packages/cli/src/ui/components/Composer.tsx

@@ -99,6 +99,10 @@ export const Composer = () => {
             <Text color={theme.status.warning}>
               Press Ctrl+C again to exit.
             </Text>
+          ) : uiState.selectionWarning ? (
+            <Text color={theme.status.warning}>
+              Press Ctrl-S to enter selection mode to copy text.
+            </Text>
           ) : uiState.ctrlDPressedOnce ? (
             <Text color={theme.status.warning}>
               Press Ctrl+D again to exit.

packages/cli/src/ui/components/Help.test.tsx

@@ -60,4 +60,15 @@ describe('Help Component', () => {
     expect(output).not.toContain('hidden-child');
     unmount();
   });
+
+  it('should render keyboard shortcuts', () => {
+    const { lastFrame, unmount } = render(<Help commands={mockCommands} />);
+    const output = lastFrame();
+
+    expect(output).toContain('Keyboard Shortcuts:');
+    expect(output).toContain('Ctrl+C');
+    expect(output).toContain('Ctrl+S');
+    expect(output).toContain('Page Up/Down');
+    unmount();
+  });
 });

packages/cli/src/ui/components/Help.tsx

@@ -136,6 +136,12 @@ export const Help: React.FC<Help> = ({ commands }) => (
       </Text>{' '}
       - Clear the screen
     </Text>
+    <Text color={theme.text.primary}>
+      <Text bold color={theme.text.accent}>
+        Ctrl+S
+      </Text>{' '}
+      - Enter selection mode to copy text
+    </Text>
     <Text color={theme.text.primary}>
       <Text bold color={theme.text.accent}>
         {process.platform === 'darwin' ? 'Ctrl+X / Meta+Enter' : 'Ctrl+X'}
@@ -160,6 +166,12 @@ export const Help: React.FC<Help> = ({ commands }) => (
       </Text>{' '}
       - Cancel operation / Clear input (double press)
     </Text>
+    <Text color={theme.text.primary}>
+      <Text bold color={theme.text.accent}>
+        Page Up/Down
+      </Text>{' '}
+      - Scroll page up/down
+    </Text>
     <Text color={theme.text.primary}>
       <Text bold color={theme.text.accent}>
         Shift+Tab

packages/cli/src/ui/components/InputPrompt.tsx

@@ -379,8 +379,10 @@ export const InputPrompt: React.FC<InputPromptProps> = ({
           const relY = mouseY - y;
           const visualRow = buffer.visualScrollRow + relY;
           buffer.moveToVisualPosition(visualRow, relX);
+          return true;
         }
       }
+      return false;
     },
     [buffer],
   );

packages/cli/src/ui/contexts/MouseContext.test.tsx

@@ -11,6 +11,7 @@ import { vi, type Mock } from 'vitest';
 import type React from 'react';
 import { useStdin } from 'ink';
 import { EventEmitter } from 'node:events';
+import { appEvents, AppEvent } from '../../utils/events.js';
 
 // Mock the 'ink' module to control stdin
 vi.mock('ink', async (importOriginal) => {
@@ -21,6 +22,18 @@ vi.mock('ink', async (importOriginal) => {
   };
 });
 
+// Mock appEvents
+vi.mock('../../utils/events.js', () => ({
+  appEvents: {
+    emit: vi.fn(),
+    on: vi.fn(),
+    off: vi.fn(),
+  },
+  AppEvent: {
+    SelectionWarning: 'selection-warning',
+  },
+}));
+
 class MockStdin extends EventEmitter {
   isTTY = true;
   setRawMode = vi.fn();
@@ -47,6 +60,7 @@ describe('MouseContext', () => {
     wrapper = ({ children }: { children: React.ReactNode }) => (
       <MouseProvider mouseEventsEnabled={true}>{children}</MouseProvider>
     );
+    vi.mocked(appEvents.emit).mockClear();
   });
 
   afterEach(() => {
@@ -91,6 +105,34 @@ describe('MouseContext', () => {
     expect(handler).not.toHaveBeenCalled();
   });
 
+  it('should emit SelectionWarning when move event is unhandled and has coordinates', () => {
+    renderHook(() => useMouseContext(), { wrapper });
+
+    act(() => {
+      // Move event (32) at 10, 20
+      stdin.write('\x1b[<32;10;20M');
+    });
+
+    expect(appEvents.emit).toHaveBeenCalledWith(AppEvent.SelectionWarning);
+  });
+
+  it('should not emit SelectionWarning when move event is handled', () => {
+    const handler = vi.fn().mockReturnValue(true);
+    const { result } = renderHook(() => useMouseContext(), { wrapper });
+
+    act(() => {
+      result.current.subscribe(handler);
+    });
+
+    act(() => {
+      // Move event (32) at 10, 20
+      stdin.write('\x1b[<32;10;20M');
+    });
+
+    expect(handler).toHaveBeenCalled();
+    expect(appEvents.emit).not.toHaveBeenCalled();
+  });
+
   describe('SGR Mouse Events', () => {
     it.each([
       {

packages/cli/src/ui/contexts/MouseContext.tsx

@@ -15,6 +15,7 @@ import {
 } from 'react';
 import { ESC } from '../utils/input.js';
 import { debugLogger } from '@google/gemini-cli-core';
+import { appEvents, AppEvent } from '../../utils/events.js';
 import {
   isIncompleteMouseSequence,
   parseMouseEvent,
@@ -89,8 +90,23 @@ export function MouseProvider({
     let mouseBuffer = '';
 
     const broadcast = (event: MouseEvent) => {
+      let handled = false;
       for (const handler of subscribers) {
-        handler(event);
+        if (handler(event) === true) {
+          handled = true;
+        }
+      }
+      if (
+        !handled &&
+        event.name === 'move' &&
+        event.col >= 0 &&
+        event.row >= 0
+      ) {
+        // Terminal apps only receive mouse move events when the mouse is down
+        // so this always indicates a mouse drag that the user was expecting
+        // would trigger text selection but does not as we are handling mouse
+        // events not the terminal.
+        appEvents.emit(AppEvent.SelectionWarning);
       }
     };
 

packages/cli/src/ui/contexts/ScrollProvider.test.tsx

@@ -16,12 +16,12 @@ import { Box, type DOMElement } from 'ink';
 import type { MouseEvent } from '../hooks/useMouse.js';
 
 // Mock useMouse hook
-const mockUseMouseCallbacks = new Set<(event: MouseEvent) => void>();
+const mockUseMouseCallbacks = new Set<(event: MouseEvent) => void | boolean>();
 vi.mock('../hooks/useMouse.js', async () => {
   // We need to import React dynamically because this factory runs before top-level imports
   const React = await import('react');
   return {
-    useMouse: (callback: (event: MouseEvent) => void) => {
+    useMouse: (callback: (event: MouseEvent) => void | boolean) => {
       React.useEffect(() => {
         mockUseMouseCallbacks.add(callback);
         return () => {
@@ -81,6 +81,81 @@ describe('ScrollProvider', () => {
     vi.useRealTimers();
   });
 
+  describe('Event Handling Status', () => {
+    it('returns true when scroll event is handled', () => {
+      const scrollBy = vi.fn();
+      const getScrollState = vi.fn(() => ({
+        scrollTop: 0,
+        scrollHeight: 100,
+        innerHeight: 10,
+      }));
+
+      render(
+        <ScrollProvider>
+          <TestScrollable
+            id="test-scrollable"
+            scrollBy={scrollBy}
+            getScrollState={getScrollState}
+          />
+        </ScrollProvider>,
+      );
+
+      let handled = false;
+      for (const callback of mockUseMouseCallbacks) {
+        if (
+          callback({
+            name: 'scroll-down',
+            col: 5,
+            row: 5,
+            shift: false,
+            ctrl: false,
+            meta: false,
+          }) === true
+        ) {
+          handled = true;
+        }
+      }
+      expect(handled).toBe(true);
+    });
+
+    it('returns false when scroll event is ignored (cannot scroll further)', () => {
+      const scrollBy = vi.fn();
+      // Already at bottom
+      const getScrollState = vi.fn(() => ({
+        scrollTop: 90,
+        scrollHeight: 100,
+        innerHeight: 10,
+      }));
+
+      render(
+        <ScrollProvider>
+          <TestScrollable
+            id="test-scrollable"
+            scrollBy={scrollBy}
+            getScrollState={getScrollState}
+          />
+        </ScrollProvider>,
+      );
+
+      let handled = false;
+      for (const callback of mockUseMouseCallbacks) {
+        if (
+          callback({
+            name: 'scroll-down',
+            col: 5,
+            row: 5,
+            shift: false,
+            ctrl: false,
+            meta: false,
+          }) === true
+        ) {
+          handled = true;
+        }
+      }
+      expect(handled).toBe(false);
+    });
+  });
+
   it('calls scrollTo when clicking scrollbar track if available', async () => {
     const scrollBy = vi.fn();
     const scrollTo = vi.fn();

packages/cli/src/ui/contexts/ScrollProvider.tsx

@@ -146,15 +146,16 @@ export const ScrollProvider: React.FC<{ children: React.ReactNode }> = ({
       if (direction === 'up' && canScrollUp) {
         pendingScrollsRef.current.set(candidate.id, pendingDelta + delta);
         scheduleFlush();
-        return;
+        return true;
       }
 
       if (direction === 'down' && canScrollDown) {
         pendingScrollsRef.current.set(candidate.id, pendingDelta + delta);
         scheduleFlush();
-        return;
+        return true;
       }
     }
+    return false;
   };
 
   const handleLeftPress = (mouseEvent: MouseEvent) => {
@@ -238,7 +239,7 @@ export const ScrollProvider: React.FC<{ children: React.ReactNode }> = ({
           id: entry.id,
           offset,
         };
-        return;
+        return true;
       }
     }
 
@@ -250,21 +251,27 @@ export const ScrollProvider: React.FC<{ children: React.ReactNode }> = ({
     if (candidates.length > 0) {
       // The first candidate is the innermost one.
       candidates[0].flashScrollbar();
+      // We don't consider just flashing the scrollbar as handling the event
+      // in a way that should prevent other handlers (like drag warning)
+      // from checking it, although for left-press it doesn't matter much.
+      // But returning false is safer.
+      return false;
     }
+    return false;
   };
 
   const handleMove = (mouseEvent: MouseEvent) => {
     const state = dragStateRef.current;
-    if (!state.active || !state.id) return;
+    if (!state.active || !state.id) return false;
 
     const entry = scrollablesRef.current.get(state.id);
     if (!entry || !entry.ref.current) {
       state.active = false;
-      return;
+      return false;
     }
 
     const boundingBox = getBoundingBox(entry.ref.current);
-    if (!boundingBox) return;
+    if (!boundingBox) return false;
 
     const { y } = boundingBox;
     const { scrollTop, scrollHeight, innerHeight } = entry.getScrollState();
@@ -276,7 +283,7 @@ export const ScrollProvider: React.FC<{ children: React.ReactNode }> = ({
     const maxScrollTop = scrollHeight - innerHeight;
     const maxThumbY = innerHeight - thumbHeight;
 
-    if (maxThumbY <= 0) return;
+    if (maxThumbY <= 0) return false;
 
     const relativeMouseY = mouseEvent.row - y;
     // Calculate the target thumb position based on the mouse position and the offset.
@@ -295,6 +302,7 @@ export const ScrollProvider: React.FC<{ children: React.ReactNode }> = ({
     } else {
       entry.scrollBy(targetScrollTop - scrollTop);
     }
+    return true;
   };
 
   const handleLeftRelease = () => {
@@ -304,22 +312,25 @@ export const ScrollProvider: React.FC<{ children: React.ReactNode }> = ({
         id: null,
         offset: 0,
       };
+      return true;
     }
+    return false;
   };
 
   useMouse(
     (event: MouseEvent) => {
       if (event.name === 'scroll-up') {
-        handleScroll('up', event);
+        return handleScroll('up', event);
       } else if (event.name === 'scroll-down') {
-        handleScroll('down', event);
+        return handleScroll('down', event);
       } else if (event.name === 'left-press') {
-        handleLeftPress(event);
+        return handleLeftPress(event);
       } else if (event.name === 'move') {
-        handleMove(event);
+        return handleMove(event);
       } else if (event.name === 'left-release') {
-        handleLeftRelease();
+        return handleLeftRelease();
       }
+      return false;
     },
     { isActive: true },
   );

packages/cli/src/ui/contexts/UIStateContext.tsx

@@ -124,6 +124,7 @@ export interface UIState {
   showDebugProfiler: boolean;
   showFullTodos: boolean;
   copyModeEnabled: boolean;
+  selectionWarning: boolean;
 }
 
 export const UIStateContext = createContext<UIState | null>(null);

packages/cli/src/ui/hooks/slashCommandProcessor.test.tsx

@@ -28,8 +28,27 @@ import {
 } from '@google/gemini-cli-core';
 import { appEvents } from '../../utils/events.js';
 
-const { logSlashCommand } = vi.hoisted(() => ({
+const {
+  logSlashCommand,
+  mockBuiltinLoadCommands,
+  mockFileLoadCommands,
+  mockMcpLoadCommands,
+  mockIdeClientGetInstance,
+  mockUseAlternateBuffer,
+} = vi.hoisted(() => ({
   logSlashCommand: vi.fn(),
+  mockBuiltinLoadCommands: vi.fn().mockResolvedValue([]),
+  mockFileLoadCommands: vi.fn().mockResolvedValue([]),
+  mockMcpLoadCommands: vi.fn().mockResolvedValue([]),
+  mockIdeClientGetInstance: vi.fn().mockResolvedValue({
+    addStatusChangeListener: vi.fn(),
+    removeStatusChangeListener: vi.fn(),
+  }),
+  mockUseAlternateBuffer: vi.fn().mockReturnValue(false),
+}));
+
+vi.mock('./useAlternateBuffer.js', () => ({
+  useAlternateBuffer: mockUseAlternateBuffer,
 }));
 
 vi.mock('@google/gemini-cli-core', async (importOriginal) => {
@@ -41,10 +60,7 @@ vi.mock('@google/gemini-cli-core', async (importOriginal) => {
     logSlashCommand,
     getIdeInstaller: vi.fn().mockReturnValue(null),
     IdeClient: {
-      getInstance: vi.fn().mockResolvedValue({
+      getInstance: mockIdeClientGetInstance,
-        addStatusChangeListener: vi.fn(),
-        removeStatusChangeListener: vi.fn(),
-      }),
     },
   };
 });
@@ -65,23 +81,20 @@ vi.mock('node:process', () => {
   };
 });
 
-const mockBuiltinLoadCommands = vi.fn();
 vi.mock('../../services/BuiltinCommandLoader.js', () => ({
-  BuiltinCommandLoader: vi.fn().mockImplementation(() => ({
+  BuiltinCommandLoader: vi.fn(() => ({
     loadCommands: mockBuiltinLoadCommands,
   })),
 }));
 
-const mockFileLoadCommands = vi.fn();
 vi.mock('../../services/FileCommandLoader.js', () => ({
-  FileCommandLoader: vi.fn().mockImplementation(() => ({
+  FileCommandLoader: vi.fn(() => ({
     loadCommands: mockFileLoadCommands,
   })),
 }));
 
-const mockMcpLoadCommands = vi.fn();
 vi.mock('../../services/McpPromptLoader.js', () => ({
-  McpPromptLoader: vi.fn().mockImplementation(() => ({
+  McpPromptLoader: vi.fn(() => ({
     loadCommands: mockMcpLoadCommands,
   })),
 }));
@@ -130,6 +143,12 @@ describe('useSlashCommandProcessor', () => {
     mockBuiltinLoadCommands.mockResolvedValue([]);
     mockFileLoadCommands.mockResolvedValue([]);
     mockMcpLoadCommands.mockResolvedValue([]);
+    mockUseAlternateBuffer.mockReturnValue(false);
+    mockIdeClientGetInstance.mockResolvedValue({
+      addStatusChangeListener: vi.fn(),
+      removeStatusChangeListener: vi.fn(),
+    });
+    vi.spyOn(console, 'clear').mockImplementation(() => {});
   });
 
   afterEach(async () => {
@@ -137,6 +156,7 @@ describe('useSlashCommandProcessor', () => {
       await unmountHook();
       unmountHook = undefined;
     }
+    vi.restoreAllMocks();
   });
 
   const setupProcessorHook = async (
@@ -205,6 +225,44 @@ describe('useSlashCommandProcessor', () => {
     };
   };
 
+  describe('Console Clear Safety', () => {
+    it('should not call console.clear if alternate buffer is active', async () => {
+      mockUseAlternateBuffer.mockReturnValue(true);
+      const clearCommand = createTestCommand({
+        name: 'clear',
+        action: async (context) => {
+          context.ui.clear();
+        },
+      });
+      const result = await setupProcessorHook([clearCommand]);
+
+      await act(async () => {
+        await result.current.handleSlashCommand('/clear');
+      });
+
+      expect(mockClearItems).toHaveBeenCalled();
+      expect(console.clear).not.toHaveBeenCalled();
+    });
+
+    it('should call console.clear if alternate buffer is not active', async () => {
+      mockUseAlternateBuffer.mockReturnValue(false);
+      const clearCommand = createTestCommand({
+        name: 'clear',
+        action: async (context) => {
+          context.ui.clear();
+        },
+      });
+      const result = await setupProcessorHook([clearCommand]);
+
+      await act(async () => {
+        await result.current.handleSlashCommand('/clear');
+      });
+
+      expect(mockClearItems).toHaveBeenCalled();
+      expect(console.clear).toHaveBeenCalled();
+    });
+  });
+
   describe('Initialization and Command Loading', () => {
     it('should initialize CommandService with all required loaders', async () => {
       await setupProcessorHook();
@@ -947,36 +1005,37 @@ describe('useSlashCommandProcessor', () => {
 
   describe('Slash Command Logging', () => {
     const mockCommandAction = vi.fn().mockResolvedValue({ type: 'handled' });
-    const loggingTestCommands: SlashCommand[] = [
+    let loggingTestCommands: SlashCommand[];
-      createTestCommand({
-        name: 'logtest',
-        action: vi
-          .fn()
-          .mockResolvedValue({ type: 'message', content: 'hello world' }),
-      }),
-      createTestCommand({
-        name: 'logwithsub',
-        subCommands: [
-          createTestCommand({
-            name: 'sub',
-            action: mockCommandAction,
-          }),
-        ],
-      }),
-      createTestCommand({
-        name: 'fail',
-        action: vi.fn().mockRejectedValue(new Error('oh no!')),
-      }),
-      createTestCommand({
-        name: 'logalias',
-        altNames: ['la'],
-        action: mockCommandAction,
-      }),
-    ];
 
     beforeEach(() => {
       mockCommandAction.mockClear();
       vi.mocked(logSlashCommand).mockClear();
+      loggingTestCommands = [
+        createTestCommand({
+          name: 'logtest',
+          action: vi
+            .fn()
+            .mockResolvedValue({ type: 'message', content: 'hello world' }),
+        }),
+        createTestCommand({
+          name: 'logwithsub',
+          subCommands: [
+            createTestCommand({
+              name: 'sub',
+              action: mockCommandAction,
+            }),
+          ],
+        }),
+        createTestCommand({
+          name: 'fail',
+          action: vi.fn().mockRejectedValue(new Error('oh no!')),
+        }),
+        createTestCommand({
+          name: 'logalias',
+          altNames: ['la'],
+          action: mockCommandAction,
+        }),
+      ];
     });
 
     it.each([

packages/cli/src/ui/hooks/slashCommandProcessor.ts

@@ -44,6 +44,7 @@ import {
   type ExtensionUpdateStatus,
 } from '../state/extensions.js';
 import { appEvents } from '../../utils/events.js';
+import { useAlternateBuffer } from './useAlternateBuffer.js';
 
 interface SlashCommandProcessorActions {
   openAuthDialog: () => void;
@@ -81,6 +82,7 @@ export const useSlashCommandProcessor = (
   const [commands, setCommands] = useState<readonly SlashCommand[] | undefined>(
     undefined,
   );
+  const alternateBuffer = useAlternateBuffer();
   const [reloadTrigger, setReloadTrigger] = useState(0);
 
   const reloadCommands = useCallback(() => {
@@ -196,7 +198,9 @@ export const useSlashCommandProcessor = (
         addItem,
         clear: () => {
           clearItems();
-          console.clear();
+          if (!alternateBuffer) {
+            console.clear();
+          }
           refreshStatic();
         },
         loadHistory,
@@ -218,6 +222,7 @@ export const useSlashCommandProcessor = (
       },
     }),
     [
+      alternateBuffer,
       config,
       settings,
       gitService,

packages/cli/src/ui/utils/mouse.ts

@@ -35,7 +35,7 @@ export interface MouseEvent {
   ctrl: boolean;
 }
 
-export type MouseHandler = (event: MouseEvent) => void;
+export type MouseHandler = (event: MouseEvent) => void | boolean;
 
 export function getMouseEventName(
   buttonCode: number,

packages/cli/src/utils/events.ts

@@ -13,6 +13,7 @@ export enum AppEvent {
   OauthDisplayMessage = 'oauth-display-message',
   Flicker = 'flicker',
   McpClientUpdate = 'mcp-client-update',
+  SelectionWarning = 'selection-warning',
 }
 
 export interface AppEvents extends ExtensionEvents {
@@ -21,6 +22,7 @@ export interface AppEvents extends ExtensionEvents {
   [AppEvent.OauthDisplayMessage]: string[];
   [AppEvent.Flicker]: never[];
   [AppEvent.McpClientUpdate]: Array<Map<string, McpClient> | never>;
+  [AppEvent.SelectionWarning]: never[];
 }
 
 export const appEvents = new EventEmitter<AppEvents>();