Integrates ttyd WebSocket terminal into RTTY Remote module:
- New "Web Terminal" menu item in System Hub
- Iframe-based terminal embedding ttyd on port 7681
- Node selector for local/remote terminal access
- Remote node detection (direct ttyd or SSH fallback)
- Fullscreen and refresh controls
- RPCD method: start_terminal for remote node terminal info
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Fix TypeError in support.js: add null checks for DOM elements
- Move menu entries from Services to System Hub (KISS UI)
- Menu paths: admin/secubox/system/system-hub/rtty-remote
- Menu paths: admin/secubox/system/system-hub/support
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>