ENCOA-228 Now when user navigates between modules the generation items persist. Reading, listening and writing added to level module

src/interfaces/exam.ts

@@ -45,12 +45,14 @@ export interface LevelExam extends ExamBase {
 }
 
 export interface LevelPart extends Section {
+	// to support old exams that have reading passage mc on context 
 	context?: string;
 	exercises: Exercise[];
 	audio?: {
 		source: string;
 		repeatableTimes: number; // *The amount of times the user is allowed to repeat the audio, 0 for unlimited
 	};
+	script?: Script;
 	text?: {
 		title: string;
 		content: string;
@@ -162,6 +164,7 @@ export interface WritingExercise extends Section {
 		evaluation?: WritingEvaluation;
 	}[];
 	topic?: string;
+	variant?: string;
 }
 
 export interface AIDetectionAttributes {