Keep Theia config out of home dotfolder

test/test.theia-config.node.ts

@@ -0,0 +1,30 @@
+import { tap, expect } from '@git.zone/tstest/tapbundle';
+import * as fs from 'node:fs/promises';
+import * as path from 'node:path';
+
+const gitZoneWorkspacePreferenceFolder = '.git.zone/ide/workspace';
+
+tap.test('should keep Theia backend config under Git.Zone IDE home path', async () => {
+  const packageJsonPath = path.join(process.cwd(), 'applications', 'remote-theia', 'package.json');
+  const packageJson = JSON.parse(await fs.readFile(packageJsonPath, 'utf8'));
+
+  expect(packageJson.theia.backend.config.configurationFolder).toEqual('.git.zone/ide/theia');
+});
+
+tap.test('should avoid legacy .theia workspace preference folders', async () => {
+  const sourcePath = path.join(
+    process.cwd(),
+    'theia-extensions',
+    'gitzone-remote',
+    'src',
+    'common',
+    'gitzone-preference-configurations.ts',
+  );
+  const sourceText = await fs.readFile(sourcePath, 'utf8');
+
+  expect(sourceText).toInclude(gitZoneWorkspacePreferenceFolder);
+  expect(sourceText).toInclude("return [gitZoneWorkspacePreferenceFolder, '.vscode']");
+  expect(sourceText).not.toInclude("'.theia'");
+});
+
+export default tap.start();