fix(web): standardize UI icon language

apps/web/src/components/ai/openclaw-state-machine.tsx

@@ -436,7 +436,7 @@ export function OpenClawStateMachine({
           setSelectedIndex(null)
           setProcessedApproval(null)
         }}
-        title={processedApproval ? (processedApproval.action === 'approved' ? '✅ 已批准' : '❌ 已拒絕') : '審核詳情'}
+        title={processedApproval ? (processedApproval.action === 'approved' ? '已批准' : '已拒絕') : '審核詳情'}
         onPrev={processedApproval ? undefined : handlePrevApproval}
         onNext={processedApproval ? undefined : handleNextApproval}
         current={selectedIndex !== null && !processedApproval ? selectedIndex + 1 : undefined}
@@ -458,9 +458,12 @@ export function OpenClawStateMachine({
                   ? "bg-status-healthy/20 text-status-healthy"
                   : "bg-status-critical/20 text-status-critical"
               )}>
-                <div className="text-4xl mb-2">
-                  {processedApproval.action === 'approved' ? '✅' : '❌'}
-                </div>
+	                <div className="mb-2 flex justify-center">
+	                  {processedApproval.action === 'approved'
+	                    ? <CheckCircle2 className="h-9 w-9" aria-hidden="true" />
+	                    : <AlertCircle className="h-9 w-9" aria-hidden="true" />
+	                  }
+	                </div>
                 <div className="font-bold text-lg">
                   {processedApproval.action === 'approved' ? '已批准執行' : '已拒絕執行'}
                 </div>