feat(cli): implement interactive shell autocompletion (#20082)

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

@@ -40,6 +40,16 @@ vi.mock('./useSlashCompletion', () => ({
   })),
 }));
 
+vi.mock('./useShellCompletion', async () => {
+  const actual = await vi.importActual<
+    typeof import('./useShellCompletion.js')
+  >('./useShellCompletion');
+  return {
+    ...actual,
+    useShellCompletion: vi.fn(),
+  };
+});
+
 // Helper to set up mocks in a consistent way for both child hooks
 const setupMocks = ({
   atSuggestions = [],
@@ -94,6 +104,7 @@ const setupMocks = ({
 describe('useCommandCompletion', () => {
   const mockCommandContext = {} as CommandContext;
   const mockConfig = {
+    getEnablePromptCompletion: () => false,
     getGeminiClient: vi.fn(),
   } as unknown as Config;
   const testRootDir = '/';
@@ -498,6 +509,7 @@ describe('useCommandCompletion', () => {
   describe('prompt completion filtering', () => {
     it('should not trigger prompt completion for line comments', async () => {
       const mockConfig = {
+        getEnablePromptCompletion: () => true,
         getGeminiClient: vi.fn(),
       } as unknown as Config;
 
@@ -530,6 +542,7 @@ describe('useCommandCompletion', () => {
 
     it('should not trigger prompt completion for block comments', async () => {
       const mockConfig = {
+        getEnablePromptCompletion: () => true,
         getGeminiClient: vi.fn(),
       } as unknown as Config;
 
@@ -564,6 +577,7 @@ describe('useCommandCompletion', () => {
 
     it('should trigger prompt completion for regular text when enabled', async () => {
       const mockConfig = {
+        getEnablePromptCompletion: () => true,
         getGeminiClient: vi.fn(),
       } as unknown as Config;