feat(admin): add potential fathers retrieval for character management

- Implemented a new method in AdminService to fetch potential fathers for a given character based on existing relationships.
- Updated AdminController to expose this functionality via a new API endpoint.
- Enhanced adminRouter to include the route for retrieving potential fathers.
- Modified frontend components to allow selection of potential fathers during pregnancy and birth management.
- Updated internationalization files to include new translation keys related to father selection.

backend/models/community/vocab_course_lesson.js

@@ -48,6 +48,42 @@ VocabCourseLesson.init({
         defaultValue: 'vocab',
         field: 'lesson_type'
     },
+    didacticMode: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+        field: 'didactic_mode'
+    },
+    phaseLabel: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+        field: 'phase_label'
+    },
+    blockNumber: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'block_number'
+    },
+    difficultyWeight: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'difficulty_weight'
+    },
+    newUnitTarget: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'new_unit_target'
+    },
+    reviewWeight: {
+        type: DataTypes.INTEGER,
+        allowNull: true,
+        field: 'review_weight'
+    },
+    isIntensiveReview: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+        field: 'is_intensive_review'
+    },
     audioUrl: {
         type: DataTypes.TEXT,
         allowNull: true,