添加视频复刻和优化脚本旁白

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

@@ -16,6 +16,7 @@ const SHELL_COMMANDS: Command[] = [
   { id: "projects", group: "导航", label: "视频创作", sub: "从商品或参考视频出发，选择生产方式", page: "projects", icon: "clapperboard", key: "V" },
   { id: "asset-factory", group: "导航", label: "图片生成", sub: "模特上身图、平台套图、图片创作", page: "assetFactory", icon: "sparkles", key: "I" },
   { 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: "video-remix", group: "导航", label: "视频复刻", sub: "上传参考视频，拆解镜头并生成提示词", page: "videoRemix", icon: "scan", key: "R" },
   { 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" },
@@ -269,7 +270,7 @@ export function topModuleForPage(page: Page): TopModule | null {
     || page === "modelPhotoDemoB"
     || page === "platformCover"
   ) return "image";
-  if (page === "projects" || page === "projectWizard" || page === "pipeline" || page === "freeCreate") return "video";
+  if (page === "projects" || page === "projectWizard" || page === "pipeline" || page === "freeCreate" || page === "videoRemix") return "video";
   return null;
 }
 
@@ -399,6 +400,7 @@ const PAGE_TO_NAV: Partial<Record<Page, Page>> = {
   modelPhotoDemoB: "assetFactory",
   platformCover: "assetFactory",
   freeCreate: "freeCreate",
+  videoRemix: "projects",
   library: "library",
   team: "team",
   account: "account",

core/frontend/src/components/free-create/generation-card.tsx

@@ -5,11 +5,6 @@ import type { FreeVideoTask } from "../../types";
 import { MODE_LABELS, STATUS_LABELS, isInFlight, modelLabel } from "./constants";
 import { isPublicGenerationError, presentGenerationError } from "../../generation-error";
 
-function ratioStyle(ratio: string) {
-  const [w, h] = ratio.split(":").map(Number);
-  return { aspectRatio: w && h ? `${w} / ${h}` : "16 / 9" };
-}
-
 function ratioCopy(ratio: string) {
   const [w, h] = ratio.split(":").map(Number);
   if (!w || !h) return ratio;
@@ -45,7 +40,6 @@ export function GenerationCard({ task, progress, onOpen, onRetry, onToggleFavori
     <article className={`fc-card${done ? " done" : ""}`}>
       <div
         className="fc-card-media"
-        style={ratioStyle(task.aspect_ratio)}
         role={done ? "button" : undefined}
         tabIndex={done ? 0 : undefined}
         onClick={done ? onOpen : undefined}