Add UI-specific prompt rendering for design assets in resource references

apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_references.rs

@@ -133,6 +133,23 @@ fn validate_resource_reference_id(value: &str) -> Result<String, String> {
     Ok(resource_id.to_string())
 }
 
+/// Render the prompt context for a UI design asset.
+///
+/// Keep this separate from the generic resource renderer so UI-specific
+/// instructions/metadata can evolve without changing other asset kinds.
+fn render_ui_design_reference_line(
+    asset: &GameCreationAppAssetManifestEntry,
+    resource_id: &str,
+    label: &str,
+    local_path: &str,
+    source: &str,
+) -> String {
+    format!(
+        "- 素材 ID：{resource_id}；名称：{label}；类型：{}；媒体类型：{}；项目路径：{local_path}；来源：{source}",
+        asset.kind, asset.media_type
+    )
+}
+
 fn render_resource_reference_line(
     manifest: &GameCreationAppManifest,
     reference: &DirectCodexResourceReference,
@@ -149,6 +166,19 @@ fn render_resource_reference_line(
         .unwrap_or_else(|| asset_display_label(asset));
     let source = sanitize_reference_source(reference.source.as_deref())
         .unwrap_or_else(|| "unknown".to_string());
+    let is_ui_design = matches!(
+        asset.kind.to_ascii_lowercase().as_str(),
+        "ui" | "ui-design" | "ui-prototype"
+    );
+    if is_ui_design {
+        return Ok(render_ui_design_reference_line(
+            asset,
+            &resource_id,
+            &label,
+            &local_path,
+            &source,
+        ));
+    }
     Ok(format!(
         "- 素材 ID：{resource_id}；名称：{label}；类型：{}；媒体类型：{}；项目路径：{local_path}；来源：{source}",
         asset.kind, asset.media_type