some quiz issue

mcp-server.js

@@ -739,7 +739,19 @@ class ReubenOSMCPServer {
 
       // Parse the quiz and answers
       const quiz = JSON.parse(quizFile.content);
-      const answers = JSON.parse(answersFile.content);
+      const answersData = JSON.parse(answersFile.content);
+
+      // Convert answers array to object for easier lookup
+      const answers = {};
+      if (answersData.answers && Array.isArray(answersData.answers)) {
+        // QuizApp format: { answers: [{ questionId, answer }], metadata: {...} }
+        answersData.answers.forEach(item => {
+          answers[item.questionId] = item.answer;
+        });
+      } else {
+        // Fallback for direct object format
+        Object.assign(answers, answersData);
+      }
 
       // Analyze the answers
       let correctCount = 0;
@@ -748,7 +760,7 @@ class ReubenOSMCPServer {
       const feedback = [];
 
       quiz.questions.forEach((question, index) => {
-        const userAnswer = answers.answers?.[question.id] || answers[question.id];
+        const userAnswer = answers[question.id];
         const points = question.points || 1;
         maxPoints += points;