[f-forge] UI 设计师：结构已拆分，允许进入实现。

```yaml
checklist:
  source: text_description
  blocks:
    - "顶部筛选栏（状态 Tab）"
    - "订单卡片列表区"
    - "底部加载更多指示器"
  hierarchy: "筛选栏固定顶部，列表区可滚动，卡片内信息按 订单号-商品-金额-状态 排列"
  interactions:
    - "Tab 切换触发列表刷新"
    - "下拉刷新"
    - "滚动到底加载更多"
    - "卡片点击进入详情"
  missing_inputs: []
  component_ownership:
    - "OrderFilterTabs: 页面私有"
    - "OrderCard: 功能复用（已有）"
    - "PaginatedListView: 通用组件（已有）"
  decision: allow
```
