Introduce initial screen reader mode handling and flag (#6653)

packages/core/src/config/config.ts

@@ -62,6 +62,7 @@ export enum ApprovalMode {
 
 export interface AccessibilitySettings {
   disableLoadingPhrases?: boolean;
+  screenReader?: boolean;
 }
 
 export interface BugCommandSettings {
@@ -734,6 +735,10 @@ export class Config {
     return this.skipNextSpeakerCheck;
   }
 
+  getScreenReader(): boolean {
+    return this.accessibility.screenReader ?? false;
+  }
+
   getEnablePromptCompletion(): boolean {
     return this.enablePromptCompletion;
   }