优化住流程和添加复刻视频页面

core/frontend/src/components/app-shell.tsx

@@ -18,6 +18,7 @@ const SHELL_COMMANDS: Command[] = [
   { id: "free-create", group: "导航", label: "自由创作", sub: "AI 视频生成 · 全能参考 / 首尾帧", page: "freeCreate", icon: "film", key: "F" },
   { id: "quick-create", group: "导航", label: "极速成片", sub: "上传商品图片，自动完成整条视频", page: "quickCreate", icon: "wand", key: "Q" },
   { id: "video-remix", group: "导航", label: "提炼提示词", sub: "上传参考视频，提炼可编辑提示词", page: "videoRemix", icon: "scan", key: "R" },
+  { id: "video-replace", group: "导航", label: "视频复刻", sub: "保留参考视频的人物、场景与节奏，复刻出自己的带货内容", page: "videoReplace", icon: "replace", key: "E" },
   { id: "library", group: "导航", label: "成品库", sub: "素材、人物、场景、成片统一管理", page: "library", icon: "folder", key: "A" },
   { id: "team", group: "导航", label: "团队", sub: "成员、权限、额度、协作记录", page: "team", icon: "users" },
   { id: "account", group: "导航", label: "账单库", sub: "余额、充值、账单流水", page: "account", icon: "creditCard" },
@@ -272,7 +273,7 @@ export function topModuleForPage(page: Page): TopModule | null {
     || page === "modelPhotoDemoB"
     || page === "platformCover"
   ) return "image";
-  if (page === "projects" || page === "projectWizard" || page === "quickCreate" || page === "pipeline" || page === "freeCreate" || page === "videoRemix") return "video";
+  if (page === "projects" || page === "projectWizard" || page === "quickCreate" || page === "pipeline" || page === "freeCreate" || page === "videoRemix" || page === "videoReplace") return "video";
   return null;
 }
 
@@ -404,6 +405,7 @@ const PAGE_TO_NAV: Partial<Record<Page, Page>> = {
   platformCover: "assetFactory",
   freeCreate: "freeCreate",
   videoRemix: "projects",
+  videoReplace: "projects",
   library: "library",
   team: "team",
   account: "account",