feat(ui): handle image paste (#3826)

* feat(ui): handle image paste * Fix lint * Fix type error --------- Co-authored-by: Theodore Li <theo@sim.ai>
simstudioai · TheodoreSpeaks · Mar 30, 2026 · Mar 28, 2026 · Mar 28, 2026 · Mar 28, 2026
commit 223e2d831e6c3342c0ad901b1191005e9958ce4b
diff --git a/apps/sim/app/workspace/[workspaceId]/home/components/user-input/user-input.tsx b/apps/sim/app/workspace/[workspaceId]/home/components/user-input/user-input.tsx
@@ -522,6 +522,28 @@ export function UserInput({
     [isInitialView]
   )
 
+  const handlePaste = useCallback((e: React.ClipboardEvent<HTMLTextAreaElement>) => {
+    const items = e.clipboardData?.items
+    if (!items) return
+
+    const imageFiles: File[] = []
+    for (const item of Array.from(items)) {
+      if (item.kind === 'file' && item.type.startsWith('image/')) {
+        const file = item.getAsFile()
+        if (file) imageFiles.push(file)
+      }
+    }
+
+    if (imageFiles.length === 0) return
+
+    e.preventDefault()
+    const dt = new DataTransfer()
+    for (const file of imageFiles) {
+      dt.items.add(file)
+    }
+    filesRef.current.processFiles(dt.files)
+  }, [])
+
   const handleScroll = useCallback((e: React.UIEvent<HTMLTextAreaElement>) => {
     if (overlayRef.current) {
       overlayRef.current.scrollTop = e.currentTarget.scrollTop
@@ -661,6 +683,7 @@ export function UserInput({
           onChange={handleInputChange}
           onKeyDown={handleKeyDown}
           onInput={handleInput}
+          onPaste={handlePaste}
           onCut={mentionTokensWithContext.handleCut}
           onSelect={handleSelectAdjust}
           onMouseUp={handleSelectAdjust}

diff --git a/...]/components/panel/components/copilot/components/user-input/hooks/use-file-attachments.ts b/...]/components/panel/components/copilot/components/user-input/hooks/use-file-attachments.ts
@@ -320,5 +320,6 @@ export function useFileAttachments(props: UseFileAttachmentsProps) {
     handleDragOver,
     handleDrop,
     clearAttachedFiles,
+    processFiles,
   }
 }
diff --git a/apps/sim/lib/auth/hybrid.ts b/apps/sim/lib/auth/hybrid.ts
@@ -25,7 +25,7 @@ const BEARER_PREFIX = 'Bearer '
 export function hasExternalApiCredentials(headers: Headers): boolean {
   if (headers.has(API_KEY_HEADER)) return true
   const auth = headers.get('authorization')
-  return auth?.startsWith(BEARER_PREFIX)
+  return auth?.startsWith(BEARER_PREFIX) ?? false
 }
 
 export interface AuthResult {