Updated the speaking and interactive speaking to the new format

src/interfaces/exam.ts

@@ -177,6 +177,8 @@ export interface InteractiveSpeakingExercise {
 	id: string;
 	type: "interactiveSpeaking";
 	title: string;
+	first_title?: string;
+	second_title?: string;
 	text: string;
 	prompts: {text: string; video_url: string}[];
 	userSolutions: {
@@ -185,6 +187,9 @@ export interface InteractiveSpeakingExercise {
 		evaluation?: InteractiveSpeakingEvaluation;
 	}[];
 	topic?: string;
+	first_topic?: string;
+	second_topic?: string;
+	variant?: "initial" | "final";
 }
 
 export interface FillBlanksExercise {