fix(quota): include project_id in antigravity quota requests

src/services/api/authFiles.ts

@@ -56,6 +56,14 @@ export const authFilesApi = {
 
   deleteAll: () => apiClient.delete('/auth-files', { params: { all: true } }),
 
+  downloadText: async (name: string): Promise<string> => {
+    const response = await apiClient.getRaw(`/auth-files/download?name=${encodeURIComponent(name)}`, {
+      responseType: 'blob'
+    });
+    const blob = response.data as Blob;
+    return blob.text();
+  },
+
   // OAuth 排除模型
   async getOauthExcludedModels(): Promise<Record<string, string[]>> {
     const data = await apiClient.get('/oauth-excluded-models');