fix(extend): address PR review comments

Author: waleedlatif1

apps/docs/components/icons.tsx

@@ -2043,9 +2043,13 @@ export function Mem0Icon(props: SVGProps<SVGSVGElement>) {
 
 export function ExtendIcon(props: SVGProps<SVGSVGElement>) {
   return (
-    <svg {...props} xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'>
-      <rect width='24' height='24' rx='4' fill='#1A1A2E' />
-      <path d='M7 8h10M7 12h10M7 16h6' stroke='#FFFFFF' strokeWidth='2' strokeLinecap='round' />
+    <svg {...props} xmlns='http://www.w3.org/2000/svg' viewBox='0 0 33 18' fill='none'>
+      <path
+        clipRule='evenodd'
+        d='M16.2893 0C16.6984 1.91708e-05 17.1074 0.0970011 17.5103 0.293745C22.3018 2.63326 27.0841 4.98521 31.8693 7.33722C32.3003 7.54649 32.5721 7.9868 32.5721 8.46461V9.51422C32.5721 9.99522 32.3004 10.4357 31.8693 10.645C31.8693 10.645 19.5816 16.6732 17.5542 17.6634C17.1357 17.8696 16.692 17.9727 16.2859 17.9727C15.8799 17.9727 15.4707 17.8758 15.0615 17.6759C12.8124 16.5795 1.9646 11.2604 0.705842 10.6419C0.274826 10.4295 2.31482e-05 9.99216 0 9.51117V8.46461C4.59913e-05 7.98366 0.271816 7.54656 0.702792 7.33417C5.8977 4.7819 15.0599 0.301869 15.1021 0.281239C15.4957 0.0938275 15.8801 0 16.2893 0ZM16.2859 2.96124C16.1516 2.96126 16.0173 2.98909 15.8924 3.05153L4.28874 8.77696C4.11382 8.86442 4.11382 9.10831 4.28874 9.19577L15.8924 14.9209C16.0173 14.9802 16.1516 15.0115 16.2859 15.0115C16.4202 15.0115 16.5548 14.9802 16.6797 14.9209L28.2864 9.19577C28.4582 9.10831 28.4582 8.86442 28.2864 8.77696L16.6797 3.05153C16.5548 2.98906 16.4202 2.96124 16.2859 2.96124Z'
+        fill='currentColor'
+        fillRule='evenodd'
+      />
     </svg>
   )
 }

apps/sim/app/api/tools/extend/parse/route.ts

@@ -129,10 +129,19 @@ export async function POST(request: NextRequest) {
     if (!extendResponse.ok) {
       const errorText = await extendResponse.text()
       logger.error(`[${requestId}] Extend API error:`, errorText)
+      let clientError = `Extend API error: ${extendResponse.statusText || extendResponse.status}`
+      try {
+        const parsedError = JSON.parse(errorText)
+        if (parsedError?.message || parsedError?.error) {
+          clientError = (parsedError.message ?? parsedError.error) as string
+        }
+      } catch {
+        // errorText is not JSON; keep generic message
+      }
       return NextResponse.json(
         {
           success: false,
-          error: `Extend API error: ${extendResponse.statusText}`,
+          error: clientError,
         },
         { status: extendResponse.status }
       )

apps/sim/blocks/blocks/extend.ts

@@ -143,7 +143,7 @@ const extendV2SubBlocks = (ExtendBlock.subBlocks || []).flatMap((subBlock) => {
         title: 'Document',
         type: 'short-input' as SubBlockType,
         canonicalParamId: 'document',
-        placeholder: 'File reference',
+        placeholder: 'Connect a file output from another block',
         mode: 'advanced' as const,
         required: true,
       },