refactor: push isValidPath() into parsePastedPaths()

packages/cli/src/ui/AppContainer.tsx

@@ -88,7 +88,6 @@ import { calculatePromptWidths } from './components/InputPrompt.js';
 import { useApp, useStdout, useStdin } from 'ink';
 import { calculateMainAreaWidth } from './utils/ui-sizing.js';
 import ansiEscapes from 'ansi-escapes';
-import * as fs from 'node:fs';
 import { basename } from 'node:path';
 import { computeTerminalTitle } from '../utils/windowTitle.js';
 import { useTextBuffer } from './components/shared/text-buffer.js';
@@ -468,14 +467,6 @@ export const AppContainer = (props: AppContainerProps) => {
 
   const staticAreaMaxItemHeight = Math.max(terminalHeight * 4, 100);
 
-  const isValidPath = useCallback((filePath: string): boolean => {
-    try {
-      return fs.existsSync(filePath) && fs.statSync(filePath).isFile();
-    } catch (_e) {
-      return false;
-    }
-  }, []);
-
   const getPreferredEditor = useCallback(
     () => settings.merged.general.preferredEditor as EditorType,
     [settings.merged.general.preferredEditor],
@@ -486,7 +477,7 @@ export const AppContainer = (props: AppContainerProps) => {
     viewport: { height: 10, width: inputWidth },
     stdin,
     setRawMode,
-    isValidPath,
+    escapePastedPaths: true,
     shellModeActive,
     getPreferredEditor,
   });

packages/cli/src/ui/auth/ApiAuthDialog.tsx

@@ -49,7 +49,6 @@ export function ApiAuthDialog({
       width: viewportWidth,
       height: 4,
     },
-    isValidPath: () => false, // No path validation needed for API key
     inputFilter: (text) =>
       text.replace(/[^a-zA-Z0-9_-]/g, '').replace(/[\r\n]/g, ''),
     singleLine: true,

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

@@ -285,7 +285,6 @@ const TextQuestionView: React.FC<TextQuestionViewProps> = ({
     initialText: initialAnswer,
     viewport: { width: Math.max(1, bufferWidth), height: 1 },
     singleLine: true,
-    isValidPath: () => false,
   });
 
   const { text: textValue } = buffer;
@@ -564,7 +563,6 @@ const ChoiceQuestionView: React.FC<ChoiceQuestionViewProps> = ({
     initialText: initialCustomText,
     viewport: { width: Math.max(1, bufferWidth), height: 1 },
     singleLine: true,
-    isValidPath: () => false,
   });
 
   const customOptionText = customBuffer.text;

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

@@ -70,7 +70,7 @@ export const ConfigExtensionDialog: React.FC<ConfigExtensionDialogProps> = ({
     initialText: '',
     viewport: { width: 80, height: 1 },
     singleLine: true,
-    isValidPath: () => true,
+    escapePastedPaths: true,
   });
 
   const mounted = useRef(true);

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

@@ -219,7 +219,6 @@ export function SettingsDialog({
       width: viewportWidth,
       height: 1,
     },
-    isValidPath: () => false,
     singleLine: true,
     onChange: (text) => setSearchQuery(text),
   });

packages/cli/src/ui/components/shared/performance.test.ts

@@ -19,7 +19,6 @@ describe('text-buffer performance', () => {
     const { result } = renderHook(() =>
       useTextBuffer({
         viewport,
-        isValidPath: () => false,
       }),
     );
 
@@ -52,7 +51,6 @@ describe('text-buffer performance', () => {
       useTextBuffer({
         initialText,
         viewport,
-        isValidPath: () => false,
       }),
     );