feat(docs): 解除 archived-components 注释并创建 scheduled-tasks 组件

- 解锁 29 个归档组件 (Project Architecture, Rate Limiting, Search Engines, File Storage, Async Task Queues, Scheduled Tasks, Computer Fundamentals)
- 修复 RateLimitAlgorithmDemo build 卡住问题 (移除末尾 reset() 调用)
- 修复 RuntimeEnvironmentDemo eval 安全警告
- 添加 Vite build chunkSizeWarningLimit 配置
- 添加 Vue 组件开发规范文档 (VUE_COMPONENT_RULES.md)

docs/.vitepress/theme/components/appendix/rate-limiting/RateLimitAlgorithmDemo.vue

@@ -68,7 +68,7 @@
 </template>
 
 <script setup>
-import { ref, computed } from 'vue'
+import { ref, computed, onUnmounted } from 'vue'
 
 const algo = ref('token')
 const passed = ref(0)
@@ -172,7 +172,10 @@ function burstRequests() {
   }
 }
 
-reset()
+onUnmounted(() => {
+  if (tokenTimer) clearInterval(tokenTimer)
+  if (leakyTimer) clearInterval(leakyTimer)
+})
 </script>
 
 <style scoped>