继续扩展共享异步状态壳

将 PlatformAsyncStatePanel 扩展到公共素材选择网格

将 PlatformAsyncStatePanel 扩展到视觉小说存档面板与账号安全子区块

将兑换码弹窗提交动作改为使用标准 profile modal footer

补充对应测试并更新 PlatformUiKit 收口计划与共享决策记录

src/components/platform-entry/PlatformProfileRewardCodeRedeemModal.test.tsx

@@ -51,4 +51,25 @@ describe('PlatformProfileRewardCodeRedeemModal', () => {
       screen.getByRole('button', { name: '兑换' }).hasAttribute('disabled'),
     ).toBe(true);
   });
+
+  test('reuses the shared profile modal footer chrome for submit action', () => {
+    render(
+      <PlatformProfileRewardCodeRedeemModal
+        value="ab12"
+        isSubmitting={false}
+        error={null}
+        success={null}
+        onChange={vi.fn()}
+        onSubmit={vi.fn()}
+        onClose={vi.fn()}
+      />,
+    );
+
+    const submitButton = screen.getByRole('button', { name: '兑换' });
+    const footer = submitButton.closest('div');
+
+    expect(footer?.className).toContain('border-t');
+    expect(footer?.className).toContain('pb-5');
+    expect(footer?.className).toContain('pt-0');
+  });
 });

src/components/platform-entry/PlatformProfileRewardCodeRedeemModal.tsx

@@ -33,6 +33,19 @@ export function PlatformProfileRewardCodeRedeemModal({
       closeLabel="关闭兑换码"
       panelClassName="platform-recharge-modal !max-w-sm rounded-[1.4rem]"
       bodyClassName="space-y-3 px-5 py-5"
+      footerClassName="px-5 pb-5 pt-0"
+      footer={
+        <PlatformActionButton
+          surface="profile"
+          fullWidth
+          size="md"
+          className="disabled:opacity-50"
+          onClick={onSubmit}
+          disabled={isSubmitting || !value.trim()}
+        >
+          {isSubmitting ? '兑换中' : '兑换'}
+        </PlatformActionButton>
+      }
     >
       <PlatformTextField
         value={value}
@@ -49,16 +62,6 @@ export function PlatformProfileRewardCodeRedeemModal({
         aria-label="兑换码"
         autoFocus
       />
-      <PlatformActionButton
-        surface="profile"
-        fullWidth
-        size="md"
-        className="disabled:opacity-50"
-        onClick={onSubmit}
-        disabled={isSubmitting || !value.trim()}
-      >
-        {isSubmitting ? '兑换中' : '兑换'}
-      </PlatformActionButton>
       {error ? (
         <PlatformStatusMessage
           tone="error"