- Introduce `OrgUIBridge` to centralize UI event/request/response handling
- Add leave and disband org requests with server handlers and client bridge events
- Enforce portal permissions for leaving/disbanding and protect owner/self from member removal
- Add desktop-style title bar shell and viewport locking for bank/org UIs
- Redesign notification HUD visuals and behavior (timers, persistence, exposed JS API)
- Register and play a new notification sound via `CfgSounds` on client events