feat(bisaya-course): expand 'Haus & Familie' lesson with new vocabulary and exercises

- Added comprehensive learning goals, core patterns, grammar focus, speaking prompts, and practical tasks for the 'Haus & Familie' lesson, enhancing the curriculum for better language acquisition.
- Updated exercise content to include multiple-choice questions and gap-fill tasks related to household vocabulary, improving user engagement and learning outcomes.
- Enhanced localization for the lesson description and vocabulary, ensuring clarity and consistency across the learning platform.

frontend/src/i18n/locales/ceb/socialnetwork.json

@@ -567,6 +567,9 @@
                 "exerciseReinforcementStay": "Stay sa ang test",
                 "exerciseReinforcementGoPracticeAck": "Read, go aron praktis",
                 "exerciseReinforcementStayAck": "Read, stay sa ang test",
+                "exerciseExamFailedTitle": "Wala naabot ang minimum nga score",
+                "exerciseExamFailedBody": "Naayo ka ug {score}% (kinahanglan: {target}%). Padayon pag-praktis sa learning section. Human sa {count} pa nga trainer questions ma-unlock na usab ang chapter test — sugdan nimo pag-usab ang tanan nga pangutana gikan sa sinugdanan.",
+                "exerciseExamFailedOk": "Okay",
                 "exerciseStatusOpen": "Ablihi",
                 "exerciseStatusCorrect": "Done",
                 "exerciseStatusRetry": "Try again",

frontend/src/i18n/locales/de/socialnetwork.json

@@ -525,6 +525,9 @@
                 "exerciseReinforcementStay": "Bei der Prüfung bleiben",
                 "exerciseReinforcementGoPracticeAck": "Gelesen, zum Üben wechseln",
                 "exerciseReinforcementStayAck": "Gelesen, bei der Prüfung bleiben",
+                "exerciseExamFailedTitle": "Mindestziel nicht erreicht",
+                "exerciseExamFailedBody": "Du hast {score}% der Fragen richtig beantwortet (Mindestziel: {target}%). Bitte übe weiter im Lernbereich. Nach {count} weiteren Trainerfragen ist die Kapitel-Prüfung wieder freigeschaltet – dann beginnst du mit allen Fragen von vorn.",
+                "exerciseExamFailedOk": "Verstanden",
                 "exerciseStatusOpen": "Offen",
                 "exerciseStatusCorrect": "Erledigt",
                 "exerciseStatusRetry": "Nochmal prüfen",

frontend/src/i18n/locales/en/socialnetwork.json

@@ -525,6 +525,9 @@
                 "exerciseReinforcementStay": "Stay on the test",
                 "exerciseReinforcementGoPracticeAck": "Read, go to practice",
                 "exerciseReinforcementStayAck": "Read, stay on the test",
+                "exerciseExamFailedTitle": "Minimum score not reached",
+                "exerciseExamFailedBody": "You scored {score}% correct (required: {target}%). Keep practicing in the learning section. After {count} more trainer questions the chapter test unlocks again—you will then retake all questions from the start.",
+                "exerciseExamFailedOk": "OK",
                 "exerciseStatusOpen": "Open",
                 "exerciseStatusCorrect": "Done",
                 "exerciseStatusRetry": "Try again",

frontend/src/i18n/locales/es/socialnetwork.json

@@ -523,6 +523,9 @@
                 "exerciseReinforcementStay": "Seguir en la prueba",
                 "exerciseReinforcementGoPracticeAck": "Leído, ir a practicar",
                 "exerciseReinforcementStayAck": "Leído, seguir en la prueba",
+                "exerciseExamFailedTitle": "No alcanzaste la puntuación mínima",
+                "exerciseExamFailedBody": "Has acertado el {score}% (mínimo: {target}%). Sigue practicando en el área de aprendizaje. Tras {count} preguntas más del entrenador se desbloqueará de nuevo el test del capítulo y repetirás todas las preguntas desde el principio.",
+                "exerciseExamFailedOk": "Entendido",
                 "exerciseStatusOpen": "Pendiente",
                 "exerciseStatusCorrect": "Hecha",
                 "exerciseStatusRetry": "Revisar otra vez",

frontend/src/i18n/locales/fr/socialnetwork.json

@@ -523,6 +523,9 @@
                 "exerciseReinforcementStay": "Restez avec l'examen",
                 "exerciseReinforcementGoPracticeAck": "Lisez, passez à la pratique",
                 "exerciseReinforcementStayAck": "Lisez, restez avec l'examen",
+                "exerciseExamFailedTitle": "Score minimum non atteint",
+                "exerciseExamFailedBody": "Vous avez {score}% de bonnes réponses (minimum : {target}%). Continuez à vous entraîner dans la partie apprentissage. Après {count} questions supplémentaires dans l'entraîneur, le test du chapitre se débloque à nouveau et vous reprendrez toutes les questions depuis le début.",
+                "exerciseExamFailedOk": "Compris",
                 "exerciseStatusOpen": "Ouvrir",
                 "exerciseStatusCorrect": "Complété",
                 "exerciseStatusRetry": "Revérifier",

frontend/src/views/social/VocabLessonView.vue

@@ -924,6 +924,28 @@
       </div>
     </div>
   </div>
+
+  <!-- Kapitel-Prüfung: Mindestziel am Ende nicht erreicht -->
+  <div v-if="showChapterExamFailedDialog" class="dialog-overlay" @click.self="closeChapterExamFailedDialog">
+    <div class="dialog" style="width: 440px; height: auto;">
+      <div class="dialog-header">
+        <span class="dialog-title">{{ $t('socialnetwork.vocab.courses.exerciseExamFailedTitle') }}</span>
+        <span class="dialog-close" @click="closeChapterExamFailedDialog">✖</span>
+      </div>
+      <div class="dialog-body">
+        <p>{{ $t('socialnetwork.vocab.courses.exerciseExamFailedBody', {
+          score: chapterExamFailedScore,
+          target: exerciseTargetScore,
+          count: exerciseRetryUnlockAttempts
+        }) }}</p>
+      </div>
+      <div class="dialog-footer">
+        <button type="button" class="dialog-button dialog-button--primary" @click="closeChapterExamFailedDialog">
+          {{ $t('socialnetwork.vocab.courses.exerciseExamFailedOk') }}
+        </button>
+      </div>
+    </div>
+  </div>
 </template>
 
 <script>
@@ -1008,6 +1030,8 @@ export default {
       exerciseReinforcementPrepMode: false,
       exerciseReinforcementCorrectAnswer: '',
       exerciseReinforcementMessage: '',
+      showChapterExamFailedDialog: false,
+      chapterExamFailedScore: 0,
       /** Index in scrambledChapterExamExercises bei Ein-Frage-Ansicht */
       exerciseSequentialIndex: 0,
       /** Aus vorherigen Lektionen (MC-Optionen nach Fragentyp Ziel-/Muttersprache) */
@@ -1151,7 +1175,7 @@ export default {
       if (!list.length) return false;
       const ex = list[this.exerciseSequentialIndex];
       if (!ex) return false;
-      return Boolean(this.exerciseResults[ex.id]?.correct) && this.exerciseSequentialIndex < list.length - 1;
+      return Boolean(this.exerciseResults[ex.id]) && this.exerciseSequentialIndex < list.length - 1;
     },
     exerciseRetryUnlockAttempts() {
       return Math.min(8, Math.max(2, Math.ceil(this.trainerNewFocusTarget * 0.25)));
@@ -1938,6 +1962,66 @@ export default {
       this.exerciseReinforcementCorrectAnswer = '';
       this.exerciseReinforcementMessage = '';
     },
+    closeChapterExamFailedDialog() {
+      this.showChapterExamFailedDialog = false;
+    },
+    clearChapterExamAttemptState() {
+      const all = this.effectiveExercises;
+      if (!all.length) return;
+      const results = { ...this.exerciseResults };
+      const answers = { ...this.exerciseAnswers };
+      all.forEach((e) => {
+        delete results[e.id];
+        delete answers[e.id];
+      });
+      this.exerciseResults = results;
+      this.exerciseAnswers = answers;
+      this.exerciseSequentialIndex = 0;
+      this.buildMcRandomizedOptions();
+    },
+    handleChapterExamFailed(score) {
+      this.exerciseRetryPending = true;
+      this.exerciseRetryPendingSinceAttempts = this.vocabTrainerTotalAttempts;
+      this.clearChapterExamAttemptState();
+      this.chapterExamFailedScore = score;
+      this.showChapterExamFailedDialog = true;
+      this.activeTab = 'learn';
+      this.$nextTick(() => {
+        const scrollEl = document.querySelector('.app-content__scroll.contentscroll');
+        if (scrollEl) scrollEl.scrollTop = 0;
+        else window.scrollTo(0, 0);
+      });
+      this.persistLessonState();
+    },
+    finalizeChapterExamIfComplete() {
+      const allExercises = this.effectiveExercises;
+      if (!this.lesson || !allExercises.length) return;
+      const allAnswered = allExercises.every((exercise) => Boolean(this.exerciseResults[exercise.id]));
+      if (!allAnswered) return;
+
+      const correctExercises = allExercises.filter((exercise) => this.exerciseResults[exercise.id]?.correct).length;
+      const score = Math.round((correctExercises / allExercises.length) * 100);
+      const target = this.exerciseTargetScore;
+
+      if (score >= target && !this.exerciseNeedsReinforcement) {
+        void this.checkLessonCompletion();
+        return;
+      }
+      this.handleChapterExamFailed(score);
+    },
+    afterChapterExamAnswerSubmitted(exerciseId) {
+      this.$nextTick(() => {
+        if (this.sequentialPanelActive) {
+          const list = this.scrambledChapterExamExercises;
+          const idx = list.findIndex((e) => e.id === exerciseId);
+          if (idx >= 0 && idx < list.length - 1 && this.exerciseResults[exerciseId]) {
+            this.exerciseSequentialIndex = idx + 1;
+          }
+        }
+        this.persistLessonState();
+        this.finalizeChapterExamIfComplete();
+      });
+    },
     advancePrepPass() {
       if (this.lessonPrepStage >= 2 || this.prepItems.length === 0) {
         return;
@@ -2630,28 +2714,15 @@ export default {
             this.exerciseReinforcementPrepMode = true;
             this.exerciseReinforcementCorrectAnswer = correctText;
             this.exerciseReinforcementMessage = this.$t('socialnetwork.vocab.courses.exercisePrepReinforcementHint');
-          } else {
-            this.exerciseReinforcementPrepMode = false;
-            this.exerciseReinforcementCorrectAnswer = correctText;
-            this.exerciseReinforcementMessage = this.$t('socialnetwork.vocab.courses.exerciseReinforcementHint', {
-              count: this.exerciseRetryUnlockAttempts
-            });
+            this.showExerciseReinforcementDialog = true;
+            return;
           }
-          this.showExerciseReinforcementDialog = true;
+          // Kapitel-Prüfung: Lösung inline anzeigen, ohne Sofort-Dialog; nach letzter Frage ggf. Übung + Neustart
+          this.afterChapterExamAnswerSubmitted(exerciseId);
           return;
         }
 
-        // Nächste Frage im Einzel-Panel / Abschluss prüfen
-        this.$nextTick(() => {
-          if (this.sequentialPanelActive) {
-            const list = this.scrambledChapterExamExercises;
-            const idx = list.findIndex((e) => e.id === exerciseId);
-            if (idx >= 0 && idx < list.length - 1) {
-              this.exerciseSequentialIndex = idx + 1;
-            }
-          }
-          this.checkLessonCompletion();
-        });
+        this.afterChapterExamAnswerSubmitted(exerciseId);
       } catch (e) {
         console.error('Fehler beim Prüfen der Antwort:', e);
         this.showErrorDialog = true;