feat: add accessibility improvements

- Add keyboard navigation support (Enter/Space keys)
- Add ARIA labels for screen readers
- Add role and tabIndex attributes
- Fix empty interface warning

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/common/components/layout/CustomHeader.tsx

@@ -7,11 +7,7 @@ import { useMyState } from '@/common';
 
 const { Header } = Layout;
 
-interface CustomHeaderProps {
+export const CustomHeader: React.FC = () => {
-  // Props interface reserved for future use
-}
-
-export const CustomHeader: React.FC<CustomHeaderProps> = () => {
   const { snap } = useMyState();
 
   // 在登录页面不显示header

src/common/components/layout/QuickActionIcons.tsx

@@ -34,6 +34,15 @@ const QuickActionIcons: React.FC = () => {
         <Tooltip key={action.path} title={action.title}>
           <div
             onClick={() => navigate(action.path)}
+            role="button"
+            tabIndex={0}
+            onKeyDown={(e) => {
+              if (e.key === 'Enter' || e.key === ' ') {
+                e.preventDefault();
+                navigate(action.path);
+              }
+            }}
+            aria-label={action.title}
             style={{
               fontSize: 20,
               color: '#262626',

src/pages/components/QuickActionCard.tsx

@@ -28,6 +28,15 @@ const QuickActionCard: React.FC<QuickActionCardProps> = ({
       <Card
         hoverable
         onClick={handleClick}
+        tabIndex={0}
+        role="button"
+        onKeyDown={(e) => {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault();
+            handleClick();
+          }
+        }}
+        aria-label={`${title} - ${description}`}
         style={{
           width: '100%',
           height: 160,