fix: 工作台最近项目显示商品主图

core/frontend/src/routes/dashboard.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useState } from "react";
+import type { CSSProperties } from "react";
 import type { BillingSummary, Product, Project } from "../types";
 import type { NavigateFn } from "./route-config";
 import { api } from "../api";
@@ -30,6 +31,9 @@ function DashProgress({ project }: { project: Project }) {
   );
 }
 
+// 与「视频项目」共用项目列表返回的商品主图；空值继续走现有 9:16 占位图。
+const coverStyle = (url: string): CSSProperties => ({ ["--mock-media-url"]: `url(${url})` } as CSSProperties);
+
 export function Dashboard({ products, projects, productTotal, projectTotal, billing, userName, loading = false, navigate, onCreateProduct }: {
   products: Product[];
   projects: Project[];
@@ -105,7 +109,10 @@ export function Dashboard({ products, projects, productTotal, projectTotal, bill
         </div>
       </div>
       <div className="stats with-corners" style={{ gridTemplateColumns: "repeat(3, 1fr)" }}><span className="corner-tr">+</span><span className="corner-bl">+</span><KpiStat label="总项目" badge="ALL" value={projCount} delta={totalDelta} onClick={() => navigate("projects", { tab: "all" })} /><KpiStat label="进行中" badge="WIP" value={running} onClick={() => navigate("projects", { tab: "wip" })} /><KpiStat label="成片" badge="DONE" value={completed} onClick={() => navigate("projects", { tab: "done" })} /></div>
-      <div className="dash-grid"><div><div className="section-h"><h2>最近项目</h2><button className="more" type="button" onClick={() => navigate("projects")}>[ ALL · {projCount} ] →</button></div><div className="card-hard">{loading && projects.length === 0 ? <SkeletonRows count={4} /> : projects.slice(0, 6).map((project) => <button className="recent-row" key={project.id} type="button" onClick={() => navigate("pipeline", { projectId: project.id })}><div className="placeholder thumb"><span className="ph-frame">9:16</span></div><div className="recent-meta"><div className="name">{project.name}</div><div className="sub">{[productTitle(project.product), "AI 全生", project.video_segment_count ? `${project.video_segment_count} 镜` : null].filter(Boolean).join(" / ")}</div></div><DashProgress project={project} /><span className={`pill ${statusPill(project.status)}`}><span className="dot" />{stageMeta[project.current_stage]?.label || project.current_stage}</span><span className="btn btn-sm">继续</span></button>)}</div></div><div style={{ display: "flex", flexDirection: "column", gap: 24 }}><div><div className="section-h"><h2>快捷入口</h2><span className="more">[ /shortcuts ]</span></div><div className="shortcuts"><Shortcut name="package" title="商品库" desc={`${prodCount} SKU`} onClick={() => navigate("products")} /><Shortcut name="images" title="资产库" desc={`${assetCount ?? "…"} 个资产条目`} onClick={() => navigate("library")} /><Shortcut name="creditCard" title="充值" desc={money(billing?.account.balance)} onClick={() => navigate("account")} /><Shortcut name="clapperboard" title="所有项目" desc={`${projCount} 个`} onClick={() => navigate("projects")} /></div></div><div><div className="section-h"><h2>提示</h2><span className="more">[ FAQ ]</span></div><div className="tip"><strong>扣费规则</strong>生成失败、超时、用户重跑 — 均不扣费。仅在你点 <span className="mono">[ 确认通过 ]</span> 时按 token 实际结算。</div></div></div></div>
+      <div className="dash-grid"><div><div className="section-h"><h2>最近项目</h2><button className="more" type="button" onClick={() => navigate("projects")}>[ ALL · {projCount} ] →</button></div><div className="card-hard">{loading && projects.length === 0 ? <SkeletonRows count={4} /> : projects.slice(0, 6).map((project) => {
+        const cover = project.cover_preview_url || "";
+        return <button className="recent-row" key={project.id} type="button" onClick={() => navigate("pipeline", { projectId: project.id })}><div className={`placeholder thumb${cover ? " has-mock-media" : ""}`} style={cover ? coverStyle(cover) : undefined}><span className="ph-frame">9:16</span></div><div className="recent-meta"><div className="name">{project.name}</div><div className="sub">{[productTitle(project.product), "AI 全生", project.video_segment_count ? `${project.video_segment_count} 镜` : null].filter(Boolean).join(" / ")}</div></div><DashProgress project={project} /><span className={`pill ${statusPill(project.status)}`}><span className="dot" />{stageMeta[project.current_stage]?.label || project.current_stage}</span><span className="btn btn-sm">继续</span></button>;
+      })}</div></div><div style={{ display: "flex", flexDirection: "column", gap: 24 }}><div><div className="section-h"><h2>快捷入口</h2><span className="more">[ /shortcuts ]</span></div><div className="shortcuts"><Shortcut name="package" title="商品库" desc={`${prodCount} SKU`} onClick={() => navigate("products")} /><Shortcut name="images" title="资产库" desc={`${assetCount ?? "…"} 个资产条目`} onClick={() => navigate("library")} /><Shortcut name="creditCard" title="充值" desc={money(billing?.account.balance)} onClick={() => navigate("account")} /><Shortcut name="clapperboard" title="所有项目" desc={`${projCount} 个`} onClick={() => navigate("projects")} /></div></div><div><div className="section-h"><h2>提示</h2><span className="more">[ FAQ ]</span></div><div className="tip"><strong>扣费规则</strong>生成失败、超时、用户重跑 — 均不扣费。仅在你点 <span className="mono">[ 确认通过 ]</span> 时按 token 实际结算。</div></div></div></div>
       {/* YYX#11:新建商品抽屉 · 复用商品库同一组件,创建成功后跳商品库看新商品 */}
       {onCreateProduct && (
         <ProductCreateDrawer