Done! I've added the blue ExternalLink icon to the PR link in frontend/src/components/tasks/Toolbar/GitOperations.tsx:402. The icon will appear after the PR number text and inherit the text-info (blue) color from the parent button's className. (#951)

frontend/src/components/tasks/Toolbar/GitOperations.tsx

@@ -6,6 +6,7 @@ import {
   Settings,
   AlertTriangle,
   CheckCircle,
+  ExternalLink,
 } from 'lucide-react';
 import { Button } from '@/components/ui/button.tsx';
 import { Card } from '@/components/ui/card';
@@ -398,6 +399,7 @@ function GitOperations({
                       <span className="text-xs font-medium">
                         PR #{Number(prMerge.pr_info.number)}
                       </span>
+                      <ExternalLink className="h-3 w-3" />
                     </button>
                   );
                 }