Hook up vt extensions option

src/common/services/OptionsService.ts

@@ -54,7 +54,8 @@ export const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {
   termName: 'xterm',
   cancelEvents: false,
   overviewRuler: {},
-  quirks: {}
+  quirks: {},
+  vtExtensions: {}
 };
 
 const FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'];

src/common/services/Services.ts

@@ -266,6 +266,7 @@ export interface ITerminalOptions {
   overviewRuler?: IOverviewRulerOptions;
   quirks?: ITerminalQuirks;
   scrollOnEraseInDisplay?: boolean;
+  vtExtensions?: IVtExtensions;
 
   [key: string]: any;
   cancelEvents: boolean;
@@ -307,6 +308,10 @@ export interface ITerminalQuirks {
   allowSetCursorBlink?: boolean;
 }
 
+export interface IVtExtensions {
+  kittyKeyboard?: boolean;
+}
+
 export const IOscLinkService = createDecorator<IOscLinkService>('OscLinkService');
 export interface IOscLinkService {
   serviceBrand: undefined;