- Refactor handler dispatch to use a parsed GameModel instead of raw
model strings (Handler.cs, HandlerService.cs, new GameModel.cs)
- Add a Unity asset-extraction subsystem (Abstractions/Extractors/Unity)
- Add WriteEventLogHandler, XrpcDouble serialization type
- Rename EaCoin*Handler -> *EaCoinHandler for naming consistency
- Add PIN/username update and forgot/reset password flows, with a
console-logging IEmailSender until real email is wired up
- Add a settings page and a theming pass (theme tokens, tailwind config)
- Add plugin nav/route/UI-manifest frontend types