feat(test): add jump to question functionality

src/stores/useSatExam.ts

@@ -34,6 +34,7 @@ interface SatExamState {
   startExam: () => void;
   nextQuestion: () => void;
   prevQuestion: () => void;
+  goToQuestion: (index: number) => void;
 
   startBreak: () => void;
   skipBreak: () => void;
@@ -82,6 +83,15 @@ export const useSatExam = create<SatExamState>()(
         }
       },
 
+      goToQuestion: (index: number) =>
+        set((state) => {
+          const total = state.currentModuleQuestions?.questions.length ?? 0;
+
+          if (index < 0 || index >= total) return state;
+
+          return { questionIndex: index };
+        }),
+
       startBreak: () => {
         const endTime = Date.now() + BREAK_DURATION * 1000;