fix: 「加入模特库」仅图片创作显示,模特上身图/平台套图隐藏 (row41 续)

气泡项加 mode === "image" 条件门控。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

core/frontend/src/routes/ai-tools.tsx

@@ -1417,10 +1417,13 @@ export function ImageWorkbenchPage({
                         <Bookmark size={13} />
                         {inLib ? "取消加入资产库" : "加入资产库"}
                       </button>
+                      {/* row41:仅图片创作(mode=image)显示「加入模特库」;模特上身图/平台套图不显示 */}
+                      {mode === "image" && (
                         <button type="button" className="gen-bubble-item" disabled={enrolledModelIds.has(assetId) || enrollingModelId === assetId} onClick={() => { setOpenMore(""); enrollModelFromImage(assetId); }}>
                           <Users size={13} />
                           {enrolledModelIds.has(assetId) ? "已加入模特库" : (enrollingModelId === assetId ? "加入中…" : "加入模特库")}
                         </button>
+                      )}
                       <button type="button" className="gen-bubble-item danger" onClick={() => { setOpenMore(""); removeImageFromBatch(batch.id, assetId); }}>
                         <Trash2 size={13} />
                         删除