feat(bisaya): update household and children age rules to 14, adjust related instructions and migration

backend/migrations-active/20260909000000-clarify-bisaya-bag-gap.cjs

@@ -0,0 +1,19 @@
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.sequelize.query(`
+      UPDATE community.vocab_grammar_exercise AS exercise
+      SET instruction = 'Frage: „Wo ist deine Tasche?“ Bitte danach: „Nimm deine Tasche.“'
+      FROM community.vocab_course_lesson AS lesson
+      WHERE exercise.lesson_id = lesson.id
+        AND lesson.course_id = 1
+        AND lesson.lesson_number = 30
+        AND lesson.title = 'Kinder & Familie'
+        AND exercise.exercise_number = 2
+        AND exercise.title = 'Kindersatz ergänzen';
+    `);
+  },
+
+  async down() {}
+};

backend/scripts/create-bisaya-course-content.js

@@ -1334,7 +1334,7 @@ const BISAYA_EXERCISES = {
     {
       exerciseTypeId: 1,
       title: 'Nachfragen ergänzen',
-      instruction: 'Fülle die Lücken.',
+      instruction: 'Frage: „Wo ist deine Tasche?“ Bitte danach: „Nimm deine Tasche.“',
       questionData: {
         type: 'gap_fill',
         text: 'Hinay-hinay {gap}. Unsay pasabot {gap}?',

backend/services/falukantService.js

@@ -96,7 +96,7 @@ function calcAge(birthdate) {
 const FAMILY_AGE = Object.freeze({
     MIN_WOOING: 10,
     MIN_MARRIAGE: 14,
-    MIN_HOUSEHOLD_AND_CHILDREN: 16,
+    MIN_HOUSEHOLD_AND_CHILDREN: 14,
 });
 
 async function getFalukantUserOrFail(hashedId) {