feat(bisaya-course): enhance lesson structure and didactics integration

- Added an auto-incrementing primary key to the UserHouse model for improved database management.
- Integrated new didactics fragments from the Bisaya course plan, including relationship anchor didactics and lessons for enhanced curriculum depth.
- Updated lesson retrieval logic to utilize planned lesson titles, improving the accuracy of didactics resolution.
- Refactored course content generation scripts to incorporate new didactics, ensuring a comprehensive learning experience for users.

backend/scripts/apply-bisaya-course-refresh.js

@@ -13,6 +13,11 @@ import VocabCourseProgress from '../models/community/vocab_course_progress.js';
 import VocabGrammarExerciseProgress from '../models/community/vocab_grammar_exercise_progress.js';
 import { Op } from 'sequelize';
 import { getBisayaLessonPedagogy } from './bisaya-course-phase2-pedagogy.js';
+import {
+  BISAYA_DIDACTICS_24_43,
+  BISAYA_LESSONS_24_43_BY_NUMBER,
+  BISAYA_RELATIONSHIP_ANCHOR_DIDACTICS
+} from './bisaya-course-plan-24-43.js';
 
 const LESSON_DIDACTICS = {
   'Begrüßungen & Höflichkeit': {
@@ -368,9 +373,19 @@ const LESSON_DIDACTICS = {
       'Von einzelnen Wörtern zu kurzen Sätzen übergehen.'
     ],
     corePatterns: ['Kumusta', 'Salamat', 'Lami', 'Mingaw ko nimo']
-  }
+  },
+  ...BISAYA_RELATIONSHIP_ANCHOR_DIDACTICS,
+  ...BISAYA_DIDACTICS_24_43
 };
 
+function resolveDidacticsForLesson(lesson) {
+  const direct = LESSON_DIDACTICS[lesson.title];
+  if (direct) return direct;
+  const plannedTitle = BISAYA_LESSONS_24_43_BY_NUMBER[Number(lesson.lessonNumber)]?.title;
+  if (plannedTitle && LESSON_DIDACTICS[plannedTitle]) return LESSON_DIDACTICS[plannedTitle];
+  return null;
+}
+
 async function resetBisayaProgress(courseIds) {
   if (courseIds.length === 0) return { lessonProgress: 0, exerciseProgress: 0 };
 
@@ -443,12 +458,24 @@ async function applyBisayaCourseRefresh() {
     });
 
     for (const lesson of lessons) {
-      const didactics = LESSON_DIDACTICS[lesson.title];
+      const didactics = resolveDidacticsForLesson(lesson);
+      const plannedLesson = BISAYA_LESSONS_24_43_BY_NUMBER[Number(lesson.lessonNumber)];
       const pedagogy = getBisayaLessonPedagogy(lesson.lessonNumber);
       if (!didactics && !pedagogy) continue;
       const normalizedDidactics = didactics || {};
 
       await lesson.update({
+        ...(plannedLesson ? {
+          title: plannedLesson.title,
+          description: plannedLesson.desc,
+          weekNumber: plannedLesson.week,
+          dayNumber: plannedLesson.day,
+          lessonType: plannedLesson.type,
+          culturalNotes: plannedLesson.cultural,
+          targetMinutes: plannedLesson.targetMin,
+          targetScorePercent: plannedLesson.targetScore,
+          requiresReview: plannedLesson.review
+        } : {}),
         learningGoals: normalizedDidactics.learningGoals || [],
         corePatterns: normalizedDidactics.corePatterns || [],
         grammarFocus: normalizedDidactics.grammarFocus || [],