feat(mobile): add voting status step to onboarding tour

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/client-mobile/src/views/VoteView.vue

@@ -17,6 +17,11 @@ const tourSteps = [
     content: '欢迎参与节目投票！您有 7 张选票，可以为喜欢的节目投出不同奖项。',
     position: 'center' as const,
   },
+  {
+    target: '[data-tour="voting-status"]',
+    content: '请留意这里的投票状态，当显示"投票进行中"时才能开始投票。',
+    position: 'bottom' as const,
+  },
   {
     target: '[data-tour="voting-dock"]',
     content: '第一步：选择一个奖项。每个奖项只能投给一个节目。',
@@ -103,7 +108,7 @@ onMounted(() => {
           <span class="logout-btn" @click="handleLogout">退出</span>
         </div>
         <!-- 中间：投票状态 -->
-        <span class="voting-status" :class="{ active: votingStore.votingOpen }">
+        <span class="voting-status" :class="{ active: votingStore.votingOpen }" data-tour="voting-status">
           <span class="status-dot" :class="{ pulsing: votingStore.votingOpen }"></span>
           {{ votingStatusMessage }}
         </span>