Update repo

packages/backend/convex/schema.ts

@@ -1,11 +1,40 @@
 import { defineSchema, defineTable } from "convex/server";
-import { v } from "convex/values";
+import { v, VId } from "convex/values";
+import { authTables } from '@convex-dev/auth/server';
+
+const applicationTables = {
+  questions: defineTable({
+    question: v.string(),
+    options: v.array(v.string()),
+    correctAnswer: v.number(),
+    topic: v.string(),
+    difficulty: v.optional(v.string()),
+    explanation: v.optional(v.string()),
+  })
+    .index('by_topic', ['topic']),
+
+  userProgress: defineTable({
+    userId: v.id('users'),
+    questionId: v.id('questions'),
+    correctCount: v.number(),
+    incorrectCount: v.number(),
+    lastAttempted: v.number(),
+  })
+    .index('by_user', ['userId'])
+    .index('by_user_and_question', ['userId', 'questionId']),
+
+  quizSessions: defineTable({
+    userId: v.id('users'),
+    activeQuestions: v.array(v.id('questions')),
+    missedQuestions: v.array(v.id('questions')),
+    completedQuestions: v.array(v.id('questions')),
+    currentQuestionIndex: v.number(),
+    isActive: v.boolean(),
+  })
+    .index('by_user_and_active', ['userId', 'isActive']),
+};
 
 export default defineSchema({
-  notes: defineTable({
-    userId: v.string(),
-    title: v.string(),
-    content: v.string(),
-    summary: v.optional(v.string()),
-  }),
+  ...authTables,
+  ...applicationTables,
 });