fix(git-id-switcher): use node: prefix for built-in modules (#155)

Use node: prefix for Node.js built-in modules to improve ESM compatibility.
Changes:
- secureExec.ts: node:child_process, node:util
- All 27 test files: node:assert

🖥️ IDE: [Cursor](https://cursor.sh)
🔌 Extension: [Claude Code](https://claude.ai/download)


Model-Raw: claude-opus-4-5-20251101

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: nullvariant

extensions/git-id-switcher/CHANGELOG.md

@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.12.1] - 2026-01-14
+
+### Internal
+
+- **Code Quality Improvements**: Use `node:` prefix for Node.js built-in modules
+  - `child_process` → `node:child_process` in secureExec.ts
+  - `util` → `node:util` in secureExec.ts
+  - `assert` → `node:assert` in all test files
+
 ## [0.12.0] - 2026-01-14
 
 ### Removed
@@ -1164,7 +1173,9 @@ This release includes comprehensive security hardening across multiple areas.
 - `gitIdentitySwitcher.autoSwitchSshKey`: Auto SSH key switching
 - `gitIdentitySwitcher.showNotifications`: Show switch notifications
 
-[Unreleased]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.11.3...HEAD
+[Unreleased]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.12.1...HEAD
+[0.12.1]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.12.0...git-id-switcher-v0.12.1
+[0.12.0]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.11.3...git-id-switcher-v0.12.0
 [0.11.3]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.11.2...git-id-switcher-v0.11.3
 [0.11.2]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.11.1...git-id-switcher-v0.11.2
 [0.11.1]: https://github.com/nullvariant/nullvariant-vscode-extensions/compare/git-id-switcher-v0.11.0...git-id-switcher-v0.11.1

extensions/git-id-switcher/package.json

@@ -2,7 +2,7 @@
   "name": "git-id-switcher",
   "displayName": "%extension.displayName%",
   "description": "%extension.description%",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "publisher": "nullvariant",
   "icon": "images/icon.png",
   "engines": {

extensions/git-id-switcher/src/secureExec.ts

@@ -14,8 +14,8 @@
  * @see https://nodejs.org/api/child_process.html#child_processexecfilefile-args-options-callback
  */
 
-import { execFile, ExecFileException } from 'child_process';
-import { promisify } from 'util';
+import { execFile, ExecFileException } from 'node:child_process';
+import { promisify } from 'node:util';
 import { isCommandAllowed } from './commandAllowlist';
 import { securityLogger, type ISecurityLogger } from './securityLogger';
 import { getWorkspace } from './vscodeLoader';

extensions/git-id-switcher/src/test/combinedFlagValidation.test.ts

@@ -25,7 +25,7 @@
  *   rare in practice. The pre-normalization checks catch virtually all cases.
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import { validateCombinedFlags } from '../flagValidator';
 import { isCommandAllowed } from '../commandAllowlist';
 

extensions/git-id-switcher/src/test/commandAllowlist.test.ts

@@ -4,7 +4,7 @@
  * Tests the strict validation logic for command allowlisting.
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import { isCommandAllowed } from '../commandAllowlist';
 
 export async function runCommandAllowlistTests(): Promise<void> {

extensions/git-id-switcher/src/test/configChangeDetector.test.ts

@@ -56,7 +56,7 @@
  * Total: Comprehensive test coverage for all code paths including edge cases and error handling.
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import {
   ConfigChangeDetector,
   configChangeDetector,

extensions/git-id-switcher/src/test/configSchema.test.ts

@@ -10,7 +10,7 @@
  * - Schema validation edge cases
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import {
   validateIdentitySchema,
   validateIdentitiesSchema,

extensions/git-id-switcher/src/test/documentation.test.ts

@@ -40,7 +40,7 @@
  *           resolveRelativePath, getDocumentDisplayName, escapeHtmlEntities
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import {
   sanitizeHtml,
   escapeHtmlEntities,

extensions/git-id-switcher/src/test/e2e/documentation.test.ts

@@ -39,7 +39,7 @@
  * - Test panel lifecycle (creation, close, re-creation)
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import * as vscode from 'vscode';
 
 const EXTENSION_ID = 'nullvariant.git-id-switcher';

extensions/git-id-switcher/src/test/e2e/extension.test.ts

@@ -16,7 +16,7 @@
  * Note: These tests use the real VS Code API (no mocks) to ensure actual behavior.
  */
 
-import * as assert from 'assert';
+import * as assert from 'node:assert';
 import * as vscode from 'vscode';
 
 const EXTENSION_ID = 'nullvariant.git-id-switcher';