Close DDD refactor and remove generated asset proxy

src/services/apiClient.test.ts

@@ -436,9 +436,9 @@ describe('apiClient', () => {
     let capturedError: unknown;
     try {
       await requestJson(
-        '/api/runtime/story/initial',
+        '/api/runtime/protected-error',
         { method: 'POST' },
-        '剧情生成失败',
+        '请求失败',
       );
     } catch (error) {
       capturedError = error;