check vocabulary

server/models/Vocabulary.ts

@@ -56,6 +56,8 @@ export interface IVocabularyTestRecord extends Document {
     correctAnswer: string;
     isCorrect: boolean;
   }>;
+  invalidated?: boolean;
+  riskFlags?: string[];
   createdAt: Date;
 }
 
@@ -174,6 +176,8 @@ const VocabularyTestRecordSchema = new Schema<IVocabularyTestRecord>({
     correctAnswer: { type: String, required: true },
     isCorrect: { type: Boolean, required: true }
   }],
+  invalidated: { type: Boolean, default: false },
+  riskFlags: [{ type: String }],
   createdAt: { type: Date, default: Date.now }
 });