Display track upsert request/response in batch job and order modals, relax price check dimensions with disclaimer UI, and update order guide and design docs.
新增订单与渠道新手指引(Mermaid 流程图),销售产品对客说明 Tab,查价表格与详情抽屉,菜单图标可视化选择;MarkdownViewer 支持 Mermaid 渲染。 Co-authored-by: Cursor <cursoragent@cursor.com>