feat(bisaya-course): add new 'Ort & Richtung' section with learning goals and practical tasks

- Introduced a new section for 'Ort & Richtung' in the Bisaya didactics, including learning goals, core patterns, grammar focus, speaking prompts, and practical tasks to enhance language learning.
- Updated the lesson didactics to include the new section, ensuring comprehensive coverage of location and direction vocabulary.

frontend/src/views/social/VocabLessonReviewView.vue

@@ -15,7 +15,13 @@
         {{ $t('socialnetwork.vocab.courses.quickReviewIntro', { count: reviewQueue.length }) }}
       </p>
 
-      <div v-if="reviewDone" class="review-done">
+      <div v-if="reviewDone && reviewEmptyNoPatterns" class="review-done review-done--empty">
+        <h3>{{ $t('socialnetwork.vocab.courses.quickReviewNoTermsTitle') }}</h3>
+        <p>{{ $t('socialnetwork.vocab.courses.quickReviewNoTermsBody') }}</p>
+        <button type="button" @click="backToCourse">{{ $t('socialnetwork.vocab.courses.quickReviewBackToCourse') }}</button>
+      </div>
+
+      <div v-else-if="reviewDone" class="review-done">
         <h3>{{ $t('socialnetwork.vocab.courses.quickReviewDoneTitle') }}</h3>
         <p>{{ $t('socialnetwork.vocab.courses.quickReviewDoneScore', { correct: correctCount, total: reviewQueue.length }) }}</p>
         <button type="button" @click="backToCourse">{{ $t('socialnetwork.vocab.courses.quickReviewBackToCourse') }}</button>
@@ -91,6 +97,8 @@ export default {
       needsFeedbackAck: false,
       correctCount: 0,
       reviewDone: false,
+      /** Keine Kernmuster geladen — nicht mit normalem Abschluss verwechseln */
+      reviewEmptyNoPatterns: false,
       weakVocabMap: {}
     };
   },
@@ -280,6 +288,7 @@ export default {
         this.lesson = data;
         this.reviewQueue = this.buildQueue();
         if (this.reviewQueue.length === 0) {
+          this.reviewEmptyNoPatterns = true;
           this.reviewDone = true;
         } else {
           this.setupCurrent();