removed double question

frontend/src/views/social/VocabLessonView.vue

@@ -576,7 +576,7 @@
           
           <!-- Multiple Choice Übung -->
           <div v-if="getExerciseType(exercise) === 'multiple_choice'" class="multiple-choice-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <div class="options">
               <label v-for="(option, index) in getOptions(exercise)" :key="index" class="option-label">
                 <input 
@@ -632,7 +632,7 @@
 
           <!-- Transformation Übung -->
           <div v-else-if="getExerciseType(exercise) === 'transformation'" class="transformation-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <input 
               v-model="exerciseAnswers[exercise.id]" 
               :placeholder="$t('socialnetwork.vocab.courses.enterAnswer')"
@@ -654,7 +654,7 @@
           </div>
 
           <div v-else-if="getExerciseType(exercise) === 'sentence_building'" class="sentence-building-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <div v-if="getQuestionData(exercise)?.tokens?.length" class="token-list">
               <span v-for="(token, index) in getQuestionData(exercise).tokens" :key="index" class="token-chip">{{ token }}</span>
             </div>
@@ -676,7 +676,7 @@
           </div>
 
           <div v-else-if="getExerciseType(exercise) === 'dialog_completion'" class="dialog-completion-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <div v-if="getQuestionData(exercise)?.dialog" class="dialog-snippet">
               <p v-for="(line, index) in getQuestionData(exercise).dialog" :key="index">{{ line }}</p>
             </div>
@@ -698,7 +698,7 @@
           </div>
 
           <div v-else-if="getExerciseType(exercise) === 'situational_response'" class="situational-response-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <textarea
               v-model="exerciseAnswers[exercise.id]"
               :placeholder="$t('socialnetwork.vocab.courses.situationalResponsePlaceholder')"
@@ -720,7 +720,7 @@
           </div>
 
           <div v-else-if="getExerciseType(exercise) === 'pattern_drill'" class="pattern-drill-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <p v-if="getQuestionData(exercise)?.pattern" class="pattern-drill-hint">
               {{ $t('socialnetwork.vocab.courses.patternPrompt') }}: {{ getQuestionData(exercise).pattern }}
             </p>
@@ -743,7 +743,7 @@
 
           <!-- Reading Aloud Übung -->
           <div v-else-if="getExerciseType(exercise) === 'reading_aloud'" class="reading-aloud-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <p class="exercise-instruction">
               {{ isSpeechRecognitionSupported ? $t('socialnetwork.vocab.courses.readingAloudInstruction') : $t('socialnetwork.vocab.courses.speakingFallbackInstruction') }}
             </p>
@@ -800,7 +800,7 @@
 
           <!-- Speaking From Memory Übung -->
           <div v-else-if="getExerciseType(exercise) === 'speaking_from_memory'" class="speaking-from-memory-exercise">
-            <p class="exercise-question">{{ getQuestionText(exercise) }}</p>
+            <p v-if="getVisibleQuestionText(exercise)" class="exercise-question">{{ getVisibleQuestionText(exercise) }}</p>
             <p class="exercise-instruction">
               {{ isSpeechRecognitionSupported ? $t('socialnetwork.vocab.courses.speakingFromMemoryInstruction') : $t('socialnetwork.vocab.courses.speakingFallbackInstruction') }}
             </p>
@@ -2757,6 +2757,16 @@ export default {
       if (qData.text) return qData.text;
       return exercise.title;
     },
+    getVisibleQuestionText(exercise) {
+      const question = String(this.getQuestionText(exercise) || '').trim();
+      if (!question) return '';
+      const title = String(exercise?.title || '').trim();
+      const instruction = String(exercise?.instruction || '').trim();
+      const qNorm = this.normalizeComparableText(question);
+      if (title && qNorm === this.normalizeComparableText(title)) return '';
+      if (instruction && qNorm === this.normalizeComparableText(instruction)) return '';
+      return question;
+    },
     getOptions(exercise) {
       const custom = this.mcRandomizedOptions[exercise.id];
       if (custom && Array.isArray(custom.options) && custom.options.length > 0) {