fix(rencai-dashboard): 移除"今日打卡"标题

- 原型中没有"今日打卡"标题
- 直接从打卡状态指示器开始显示

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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

mini-ui-packages/rencai-dashboard-ui/src/pages/Dashboard/Dashboard.tsx

@@ -219,9 +219,6 @@ const Dashboard: React.FC = () => {
 
           {/* 打卡状态模块 */}
           <View className="bg-white rounded-2xl p-5 mb-4 shadow-sm text-center">
-            {/* 模块标题 */}
-            <Text className="text-lg font-semibold text-gray-800 block mb-4">今日打卡</Text>
-
             {/* 打卡状态指示器 */}
             <View className="flex items-center justify-center mb-4">
               <View className="w-3 h-3 rounded-full bg-green-500 mr-2 animate-pulse" />