feat: Ctrl+O to expand paste placeholder (#18103)

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

@@ -9,6 +9,7 @@ import { render } from '../../test-utils/render.js';
 import { Text } from 'ink';
 import { StatusDisplay } from './StatusDisplay.js';
 import { UIStateContext, type UIState } from '../contexts/UIStateContext.js';
+import { TransientMessageType } from '../../utils/events.js';
 import { ConfigContext } from '../contexts/ConfigContext.js';
 import { SettingsContext } from '../contexts/SettingsContext.js';
 import { createMockSettings } from '../../test-utils/settings.js';
@@ -40,7 +41,7 @@ type UIStateOverrides = Partial<Omit<UIState, 'buffer'>> & {
 const createMockUIState = (overrides: UIStateOverrides = {}): UIState =>
   ({
     ctrlCPressedOnce: false,
-    warningMessage: null,
+    transientMessage: null,
     ctrlDPressedOnce: false,
     showEscapePrompt: false,
     shortcutsHelpVisible: false,
@@ -112,7 +113,10 @@ describe('StatusDisplay', () => {
   it('prioritizes Ctrl+C prompt over everything else (except system md)', () => {
     const uiState = createMockUIState({
       ctrlCPressedOnce: true,
-      warningMessage: 'Warning',
+      transientMessage: {
+        text: 'Warning',
+        type: TransientMessageType.Warning,
+      },
       activeHooks: [{ name: 'hook', eventName: 'event' }],
     });
     const { lastFrame } = renderStatusDisplay(
@@ -124,7 +128,24 @@ describe('StatusDisplay', () => {
 
   it('renders warning message', () => {
     const uiState = createMockUIState({
-      warningMessage: 'This is a warning',
+      transientMessage: {
+        text: 'This is a warning',
+        type: TransientMessageType.Warning,
+      },
+    });
+    const { lastFrame } = renderStatusDisplay(
+      { hideContextSummary: false },
+      uiState,
+    );
+    expect(lastFrame()).toMatchSnapshot();
+  });
+
+  it('renders hint message', () => {
+    const uiState = createMockUIState({
+      transientMessage: {
+        text: 'This is a hint',
+        type: TransientMessageType.Hint,
+      },
     });
     const { lastFrame } = renderStatusDisplay(
       { hideContextSummary: false },
@@ -135,7 +156,10 @@ describe('StatusDisplay', () => {
 
   it('prioritizes warning over Ctrl+D', () => {
     const uiState = createMockUIState({
-      warningMessage: 'Warning',
+      transientMessage: {
+        text: 'Warning',
+        type: TransientMessageType.Warning,
+      },
       ctrlDPressedOnce: true,
     });
     const { lastFrame } = renderStatusDisplay(