v2.2.1 - Cross-Platform File Permissions Fix

Chrome MCP Secure v2.2.1

Cross-Platform File Permissions Fix

Fixed

• All file operations now use centralized file-permissions.ts utility
  • Fixed 12 instances of insecure fs.mkdirSync() and fs.writeFileSync() calls
  • Proper Windows ACL support via icacls
  • Consistent 0o700 directory and 0o600 file permissions on Unix

Files Updated

File	Changes
crypto.ts	Uses mkdirSecure() and writeFileSecure()
credential-vault.ts	Uses mkdirSecure() and writeFileSecure()
secure-memory.ts	Deprecated internal functions, delegates to file-permissions.ts
mcp-auth.ts	Uses mkdirSecure() and writeFileSecure()
logger.ts	Audit log directory uses mkdirSecure()

This is the same fix applied to notebooklm-mcp-secure v1.5.1.

Full Changelog

See CHANGELOG.md