收口反馈页次级动作按钮

将反馈页查看记录动作迁移到 PlatformActionButton ghost pill

补充反馈页测试断言公共按钮样式与暂未开放提示

更新 PlatformUiKit 文档和 Hermes 决策记录

src/components/platform-entry/PlatformFeedbackView.tsx

@@ -338,13 +338,15 @@ export function PlatformFeedbackView({
             {isSubmitting ? '提交中' : '提交'}
           </PlatformActionButton>
 
-          <button
-            type="button"
+          <PlatformActionButton
+            tone="ghost"
+            shape="pill"
+            size="xs"
             onClick={() => showTemporaryNotice('反馈记录暂未开放')}
-            className="self-center px-3 py-2 text-sm font-semibold text-[var(--platform-cool-text)]"
+            className="self-center"
           >
             查看反馈与投诉记录
-          </button>
+          </PlatformActionButton>
         </main>
       </div>
     </div>