- Modified migrations/048_enable_xray_stats.sql to accept existing keys via env vars (PRIVATE_KEY, SHORT_ID)
- Updated InstallProtocolManager.php to extract and store reality_private_key after XRay installation
- Added key restoration logic in buildExports() to reuse saved keys during reinstallation
- Fixed VpnClient.php to correctly parse JSON stats output from XRay API
- Security fix: removed exposed port 2375 from docker-compose.yml (dind container)