Erweitere die Funktionalität zur Verarbeitung von Antwortvarianten; füge Unterstützung für Klammerinhalte und alternative Phrasen hinzu.

frontend/src/dialogues/socialnetwork/VocabPracticeDialog.vue

@@ -1016,17 +1016,31 @@ export default {
     expandAnswerVariants(answer) {
       const base = String(answer || '').trim();
       if (!base) return [];
+      const variants = new Set([base]);
+
+      const withoutParentheses = base.replace(/\s*\([^)]*\)\s*/g, ' ').replace(/\s+/g, ' ').trim();
+      if (withoutParentheses) {
+        variants.add(withoutParentheses);
+      }
+
+      const parenMatches = base.match(/\(([^)]+)\)/g) || [];
+      parenMatches.forEach((chunk) => {
+        const content = chunk.replace(/[()]/g, '').trim();
+        if (content) {
+          variants.add(content);
+        }
+      });
 
       // Handle full-answer alternatives like "A / B" as separate valid answers.
       // Word-level slash expansion alone does not cover this reliably.
-      const phraseAlternatives = this.splitPhraseAlternatives(base);
+      const phraseAlternatives = Array.from(variants).flatMap((entry) => this.splitPhraseAlternatives(entry));
 
       if (phraseAlternatives.length >= 2) {
         const expanded = phraseAlternatives.flatMap((part) => this.expandSingleAnswerVariants(part));
         return [...new Set(expanded)];
       }
 
-      return this.expandSingleAnswerVariants(base);
+      return this.expandSingleAnswerVariants(base).concat(withoutParentheses ? this.expandSingleAnswerVariants(withoutParentheses) : []);
     },
     computeWeight(item) {
       const st = this.perId[item.id] || { c: 0, w: 0, streak: 0, lastAsked: 0 };

frontend/src/views/social/VocabLessonReviewView.vue

@@ -127,6 +127,32 @@ export default {
       };
       return normalizeComparableWithNumberWords(s, baseNormalize);
     },
+    splitPhraseAlternatives(answer) {
+      const base = String(answer || '').trim();
+      if (!base) return [];
+      const parts = base.split(/\s*[\/|;]\s*/).map((part) => part.trim()).filter(Boolean);
+      return parts.length >= 2 && parts.length <= 6 ? parts : [base];
+    },
+    expandAnswerVariants(answer) {
+      const base = String(answer || '').trim();
+      if (!base) return [];
+
+      const variants = new Set([base]);
+      const withoutParentheses = base.replace(/\s*\([^)]*\)\s*/g, ' ').replace(/\s+/g, ' ').trim();
+      if (withoutParentheses) {
+        variants.add(withoutParentheses);
+      }
+
+      const parenMatches = base.match(/\(([^)]+)\)/g) || [];
+      parenMatches.forEach((chunk) => {
+        const content = chunk.replace(/[()]/g, '').trim();
+        if (content) {
+          variants.add(content);
+        }
+      });
+
+      return [...new Set(Array.from(variants).flatMap((entry) => this.splitPhraseAlternatives(entry)))];
+    },
     getItemKey(item) {
       return `${String(item?.gloss || '').trim()}|${String(item?.target || '').trim()}`;
     },
@@ -190,9 +216,10 @@ export default {
     },
     async checkCurrent() {
       if (!this.currentItem) return;
-      const isCorrect = this.mode === 'multiple_choice'
+      const expectedRaw = this.mode === 'multiple_choice' ? this.currentItem.gloss : this.currentItem.target;
-        ? this.normalize(this.selectedOption) === this.normalize(this.currentItem.gloss)
+      const expectedAnswers = this.expandAnswerVariants(expectedRaw).map((entry) => this.normalize(entry));
-        : this.normalize(this.typedAnswer) === this.normalize(this.currentItem.target);
+      const userAnswer = this.mode === 'multiple_choice' ? this.selectedOption : this.typedAnswer;
+      const isCorrect = expectedAnswers.includes(this.normalize(userAnswer));
 
       this.feedbackCorrect = isCorrect;
       if (isCorrect) {

frontend/src/views/social/VocabLessonView.vue

@@ -4353,14 +4353,31 @@ export default {
     expandAnswerVariants(answer) {
       const base = String(answer || '').trim();
       if (!base) return [];
+      const variants = new Set([base]);
 
-      const phraseAlternatives = this.splitPhraseAlternatives(base);
+      const withoutParentheses = base.replace(/\s*\([^)]*\)\s*/g, ' ').replace(/\s+/g, ' ').trim();
+      if (withoutParentheses) {
+        variants.add(withoutParentheses);
+      }
+
+      const parenMatches = base.match(/\(([^)]+)\)/g) || [];
+      parenMatches.forEach((chunk) => {
+        const content = chunk.replace(/[()]/g, '').trim();
+        if (content) {
+          variants.add(content);
+        }
+      });
+
+      const phraseAlternatives = Array.from(variants).flatMap((entry) => this.splitPhraseAlternatives(entry));
       if (phraseAlternatives.length >= 2) {
         const expanded = phraseAlternatives.flatMap((part) => this.expandSingleAnswerVariants(part));
         return [...new Set(expanded)];
       }
 
-      return this.expandSingleAnswerVariants(base);
+      return [...new Set(
+        this.expandSingleAnswerVariants(base)
+          .concat(withoutParentheses ? this.expandSingleAnswerVariants(withoutParentheses) : [])
+      )];
     },
     reportSrsReviewForCurrentQuestion(isCorrect) {
       if (!this.currentVocabQuestion?.vocab || !this.courseId) {