fix: restore image paste and image tool-result handling (#308)

src/hooks/usePasteHandler.test.ts

@@ -0,0 +1,22 @@
+import { expect, test } from 'bun:test'
+import { supportsClipboardImageFallback } from './usePasteHandler.ts'
+
+test('supports clipboard image fallback on Windows', () => {
+  expect(supportsClipboardImageFallback('windows')).toBe(true)
+})
+
+test('supports clipboard image fallback on macOS', () => {
+  expect(supportsClipboardImageFallback('macos')).toBe(true)
+})
+
+test('supports clipboard image fallback on Linux', () => {
+  expect(supportsClipboardImageFallback('linux')).toBe(true)
+})
+
+test('does not support clipboard image fallback on WSL', () => {
+  expect(supportsClipboardImageFallback('wsl')).toBe(false)
+})
+
+test('does not support clipboard image fallback on unknown platforms', () => {
+  expect(supportsClipboardImageFallback('unknown')).toBe(false)
+})

src/hooks/usePasteHandler.ts

@@ -15,6 +15,14 @@ import { getPlatform } from '../utils/platform.js'
 const CLIPBOARD_CHECK_DEBOUNCE_MS = 50
 const PASTE_COMPLETION_TIMEOUT_MS = 100
 
+export function supportsClipboardImageFallback(
+  platform: ReturnType<typeof getPlatform>,
+): boolean {
+  return (
+    platform === 'macos' || platform === 'windows' || platform === 'linux'
+  )
+}
+
 type PasteHandlerProps = {
   onPaste?: (text: string) => void
   onInput: (input: string, key: Key) => void
@@ -52,7 +60,9 @@ export function usePasteHandler({
   // that key is Enter, it submits the old input and the paste is lost.
   const pastePendingRef = React.useRef(false)
 
-  const isMacOS = React.useMemo(() => getPlatform() === 'macos', [])
+  const platform = React.useMemo(() => getPlatform(), [])
+  const isMacOS = platform === 'macos'
+  const canFallbackToClipboardImage = supportsClipboardImageFallback(platform)
 
   React.useEffect(() => {
     return () => {
@@ -178,7 +188,11 @@ export function usePasteHandler({
 
             // If paste is empty (common when trying to paste images with Cmd+V),
             // check if clipboard has an image (macOS only)
-            if (isMacOS && onImagePaste && pastedText.length === 0) {
+            if (
+              canFallbackToClipboardImage &&
+              onImagePaste &&
+              pastedText.length === 0
+            ) {
               checkClipboardForImage()
               return { chunks: [], timeoutId: null }
             }
@@ -202,7 +216,13 @@ export function usePasteHandler({
         pastePendingRef,
       )
     },
-    [checkClipboardForImage, isMacOS, onImagePaste, onPaste],
+    [
+      checkClipboardForImage,
+      canFallbackToClipboardImage,
+      isMacOS,
+      onImagePaste,
+      onPaste,
+    ],
   )
 
   // Paste detection is now done via the InputEvent's keypress.isPasted flag,
@@ -242,7 +262,12 @@ export function usePasteHandler({
     // When the user pastes an image with Cmd+V, the terminal sends an empty
     // bracketed paste sequence. The keypress parser emits this as isPasted=true
     // with empty input.
-    if (isFromPaste && input.length === 0 && isMacOS && onImagePaste) {
+    if (
+      isFromPaste &&
+      input.length === 0 &&
+      canFallbackToClipboardImage &&
+      onImagePaste
+    ) {
       checkClipboardForImage()
       // Reset isPasting since there's no text content to process
       setIsPasting(false)