- Add validateHostname and validateAptCacherAddress (IPv4 or hostname)
- Use new validator for var_apt_cacher_ip; error message: Invalid IPv4 or hostname
- Label: APT Cacher host or IP; placeholder shows IP or hostname example
Fixes#404
- Add var_tun to advanced defaults (default: no)
- Add TUN/TAP (VPN) dropdown in Container Features section for /dev/net/tun
- Enables Tailscale, WireGuard, OpenVPN in LXC containers via GUI
- Allow ; as alternative to , for tags field (normalize on submit)
- Add GET /api/servers/[id]/discover-ssh-keys to find host SSH keys like native advanced mode
- Advanced modal: fetch discovered keys, dropdown to select + manual paste input
- Label/placeholder: Tags (comma or semicolon separated), e.g. tag1; tag2
- Add optional Container ID (CTID) field at top of advanced form (var_ctid)
- Add DNS Search Domain field in Network section (var_searchdomain)
- Validate CTID when set: integer >= 100; empty = use next available ID
- Both fields optional; empty values omitted from env so script uses defaults
- Add ConfigurationModal component for selecting default or advanced installation mode
- Default mode: Uses predefined defaults with minimal user input (hostname from slug, vmbr0, dhcp, etc.)
- Advanced mode: Full configuration modal with all environment variables customizable
- Add support for IPv4 CIDR input when network mode is 'static'
- Add support for IPv6 static address input when IPv6 method is 'static'
- Implement password formatting as '-password <password>' for build.func compatibility
- Auto-enable SSH when password or SSH keys are provided
- Add storage selection dropdowns filtered by server node assignment
- Pass environment variables through entire execution stack (frontend -> WebSocket -> SSH/local execution)
- Add mode environment variable (always set to 'default' for script execution)
- Update ExecutionModeModal to show 'Advanced (Beta)' option
