统一暗色模式页面/顶栏/Handsontable 选中色，调整下单到仓方式文案与提示，CustomLeftMenu 卡片统一 60px；补充揽收单、问题件处理与 H5 相关页面。 Co-authored-by: Cursor <cursoragent@cursor.com>
Add product/channel billing condition editors, place-order additional services, billing simulator, forecast-to-inbound fee delta and margin warnings, insurance-aware claim tips, OMS preset dict seeds, and related AI skills/system pages. Co-authored-by: Cursor <cursoragent@cursor.com>
