feat: complete WGDashboard config parity
Backend (server-core):
- Extend firewall NetManager with AddForwardRule, AddInputRule via nft CLI
- Sync FORWARD rules on peer create, update, delete, suspend/unsuspend
- Sync INPUT rules on server create, update (port change), delete
- Fix duplicate import and missing firewall cleanup calls
Frontend (dashboard-ui):
- Add Edit Node modal for MTU, DNS, ListenPort configuration
- Add Advanced Peer Settings accordion (AllowedIPs, DNS, MTU, Keepalive, Notes)
- Add Suspend/Unsuspend toggle with SUSPENDED badge
- Update API client for new endpoints and fields
datadunia
bf9cbba535