feat(i18n): 优化国际化文案并调整 UI 样式

- 修改系统重置文案为清除最近对话
- 优化历史记录列表样式，增加截断显示
- 调整卡片阴影样式
- 在头部增加收藏、分享和消息的 Tooltip 提示

src/components/Common/Playground/History.tsx

@@ -73,11 +73,11 @@ export const PlaygroundHistory = () => {
           return {
             key: item.id,
             label: (
-              <div className="flex items-center gap-2">
+              <div className="flex items-center gap-2 truncate w-full">
                 <p className="w-5 h-5 [&_.ant-avatar]:!w-full [&_.ant-avatar]:!h-full [&_.ant-avatar]:relative [&_.ant-avatar]:-top-3">
                   {item.icon}
                 </p>
-                <span title={item.title}>{item.title}</span>
+                <span className="flex-1 truncate" title={item.title}>{item.title}</span>
               </div>
             )
           }

src/components/Common/Playground/IodRelevant.tsx

@@ -350,7 +350,7 @@ export const PlaygroundIodRelevant: React.FC<Props> = ({ className }) => {
     <Card
       hoverable
       variant="outlined"
-      className={`${className} translate-y-[-2px] !bg-[#d0e6ff] !shadow-md`}>
+      className={`${className} translate-y-[-2px] !bg-[#d0e6ff] shadow-md`}>
       <div className="h-full flex flex-col relative">
         {/* 花瓣效果 */}
         <div