diff --git a/apps/ai-game-creator-shell/src-tauri/prompts/runtime/manifest.json b/apps/ai-game-creator-shell/src-tauri/prompts/runtime/manifest.json
index 88d921118..982112915 100644
--- a/apps/ai-game-creator-shell/src-tauri/prompts/runtime/manifest.json
+++ b/apps/ai-game-creator-shell/src-tauri/prompts/runtime/manifest.json
@@ -7,6 +7,7 @@
     "execution": "texts/execution.json",
     "media": "texts/media.json",
     "nativeTools": "texts/native-tools.json",
+    "uiDesignDoc": "texts/ui-design-doc.json",
     "recovery": "texts/recovery.json",
     "interaction": "texts/interaction.json",
     "goalContext": "texts/goal-context.json",
diff --git a/apps/ai-game-creator-shell/src-tauri/prompts/runtime/texts/ui-design-doc.json b/apps/ai-game-creator-shell/src-tauri/prompts/runtime/texts/ui-design-doc.json
new file mode 100644
index 000000000..81f1f7f42
--- /dev/null
+++ b/apps/ai-game-creator-shell/src-tauri/prompts/runtime/texts/ui-design-doc.json
@@ -0,0 +1,8 @@
+{
+  "from_images.description": "用一至四张设计图新建一份 UI 设计文档：输入给已登记资源的 assetId，或给项目内相对路径由本工具顺带登记；随后按 ui/UI 设计 N.json 取号创建文档、把设计图写进文档并登记为 ui-design-doc 资源，返回新文档的 assetId 与 relativePath。每次调用都新建文档，不复用既有文档。",
+  "from_images.parameters.images": "一至四张设计图。每张给 assets 里已登记图片资源的 assetId，或给项目内相对路径（相对路径会先登记成图片资源）；文档内的设计图身份就是该图片资源的 assetId。",
+  "run_workflow.description": "对一份 UI 设计文档依次执行结构识别与素材切分，并把切分素材、组件绑定与问题状态写回文档后保存。每完成一步追加一行检查点，崩溃后从第一个缺失的步骤继续；结构识别之前不做任何页面发现，合并与组件绑定不在本工具范围内。",
+  "run_workflow.parameters.designDocAssetId": "目标 UI 设计文档在 assets 里的 assetId；文档内必须已有设计图。",
+  "into_js.description": "把一份 UI 设计文档的当前 revision 渲染成 ui/generated-<stem>-<digest>.js，返回相对路径与导出树。只读文档内容，不修改文档、不推进 revision。",
+  "into_js.parameters.designDocAssetId": "目标 UI 设计文档在 assets 里的 assetId。"
+}