feat: bootstrap auto virtual tryon admin frontend

app/api/libraries/[libraryType]/route.ts

@@ -0,0 +1,45 @@
+import {
+  GARMENT_LIBRARY_FIXTURES,
+  MODEL_LIBRARY_FIXTURES,
+  SCENE_LIBRARY_FIXTURES,
+} from "@/lib/mock/libraries";
+import { RouteError, jsonSuccess, withErrorHandling } from "@/lib/http/response";
+import type { LibraryItemVM, LibraryType } from "@/lib/types/view-models";
+
+type RouteContext = {
+  params: Promise<{
+    libraryType: string;
+  }>;
+};
+
+const LIBRARY_FIXTURE_MAP: Record<LibraryType, LibraryItemVM[]> = {
+  models: MODEL_LIBRARY_FIXTURES,
+  scenes: SCENE_LIBRARY_FIXTURES,
+  garments: GARMENT_LIBRARY_FIXTURES,
+};
+
+const MESSAGE = "资源库当前使用占位数据，真实后端接口尚未提供。";
+
+function isLibraryType(value: string): value is LibraryType {
+  return Object.hasOwn(LIBRARY_FIXTURE_MAP, value);
+}
+
+export async function GET(_request: Request, context: RouteContext) {
+  return withErrorHandling(async () => {
+    const { libraryType } = await context.params;
+
+    if (!isLibraryType(libraryType)) {
+      throw new RouteError(404, "NOT_FOUND", "不支持的资源库类型。");
+    }
+
+    return jsonSuccess(
+      {
+        items: LIBRARY_FIXTURE_MAP[libraryType],
+      },
+      {
+        mode: "placeholder",
+        message: MESSAGE,
+      },
+    );
+  });
+}