修正 UI 原型资源桥接枚举使用

生产校验与测试 fixture 改用 GameCreationAppAssetKind::UiDesign。

保留 ui-prototype 作为本地文件路径标识。

apps/ai-game-creator-shell/src-tauri/src/ui_editor/resource_bridge.rs

@@ -11,6 +11,7 @@ use crate::{
 };
 use image::GenericImageView;
 use serde::{Deserialize, Serialize};
+use shared_contracts::game_creation_app::GameCreationAppAssetKind;
 use std::fs;
 use std::path::Path;
 
@@ -51,7 +52,7 @@ pub(crate) fn ensure_ui_design_resource_for_prototype(
         .iter()
         .find(|asset| asset.id == prototype_asset_id)
         .ok_or_else(|| "UI 原型资产不存在".to_string())?;
-    if prototype.kind != "ui-prototype"
+    if prototype.kind != GameCreationAppAssetKind::UiDesign
         || !prototype
             .media_type
             .to_ascii_lowercase()
@@ -247,7 +248,7 @@ mod tests {
         register_local_asset_entry(
             directory.path(),
             "assets/ui-prototype.png",
-            "ui-prototype",
+            "ui-design",
             "image/png",
             "canvas",
             GameCreationAppAssetSource {
@@ -275,7 +276,7 @@ mod tests {
         let source_id = manifest
             .assets
             .iter()
-            .find(|asset| asset.kind == "ui-prototype")
+            .find(|asset| asset.kind == GameCreationAppAssetKind::UiDesign)
             .expect("source asset")
             .id
             .clone();