feat: enhance terminal functionality and settings

- Added new endpoints for terminal settings: GET and PUT /settings to retrieve and update terminal configurations.
- Implemented session limit checks during session creation, returning a 429 status when the limit is reached.
- Introduced a new TerminalSection in settings view for customizing terminal appearance and behavior, including font family, default font size, line height, and screen reader mode.
- Added support for new terminal features such as search functionality and improved error handling with a TerminalErrorBoundary component.
- Updated terminal layout persistence to include session IDs for reconnection and enhanced terminal state management.
- Introduced new keyboard shortcuts for terminal actions, including creating new terminal tabs.
- Enhanced UI with scrollbar theming for terminal components.

apps/ui/src/components/views/settings-view/hooks/use-settings-view.ts

@@ -5,6 +5,7 @@ export type SettingsViewId =
   | "claude"
   | "ai-enhancement"
   | "appearance"
+  | "terminal"
   | "keyboard"
   | "audio"
   | "defaults"