feat(localization): enhance course progress and review messaging across multiple languages

- Added new confirmation titles and messages for resetting and marking lessons as complete in admin and user interfaces.
- Expanded course flow and review scheduling messages to improve clarity and user guidance in Cebuano, German, Spanish, and English.
- Introduced a new section in the VocabCourseView to display today's recommended steps for users, enhancing the learning experience.
- Updated localization files to ensure consistent messaging and improved user engagement across all supported languages.

frontend/src/views/admin/UsersView.vue

@@ -113,6 +113,7 @@
 
 <script>
 import apiClient from '@/utils/axios.js';
+import { confirmAction } from '@/utils/feedback.js';
 import AdminUserSearch from '@/components/admin/AdminUserSearch.vue';
 
 export default {
@@ -243,20 +244,23 @@ export default {
         this.loadingVocabCourseDetail = false;
       }
     },
-    adminResetVocabLesson() {
+    async adminResetVocabLesson() {
       if (!this.selected || !this.selectedVocabLessonId || this.vocabResetSubmitting) {
         return;
       }
       const lesson = this.vocabCourseLessons.find((l) => String(l.id) === String(this.selectedVocabLessonId));
       const lessonLabel = lesson ? `${lesson.lessonNumber}. ${lesson.title}` : this.selectedVocabLessonId;
-      const msg = this.$t('admin.vocabLessonReset.confirm', {
-        lesson: lessonLabel,
-        username: this.selected.username
+      const confirmed = await confirmAction(this, {
+        title: this.$t('admin.vocabLessonReset.confirmTitle'),
+        message: this.$t('admin.vocabLessonReset.confirm', {
+          lesson: lessonLabel,
+          username: this.selected.username
+        })
       });
-      if (!window.confirm(msg)) {
+      if (!confirmed) {
         return;
       }
-      this.runAdminVocabReset();
+      await this.runAdminVocabReset();
     },
     async runAdminVocabReset() {
       this.vocabResetSubmitting = true;
@@ -272,19 +276,22 @@ export default {
         this.vocabResetSubmitting = false;
       }
     },
-    adminMarkVocabLessonsThrough() {
+    async adminMarkVocabLessonsThrough() {
       if (!this.selected || !this.selectedVocabCourseId || !this.canMarkVocabThrough || this.vocabMarkSubmitting) {
         return;
       }
       const n = Number(this.vocabMarkThroughNumber);
-      const msg = this.$t('admin.vocabLessonMarkComplete.confirm', {
-        n,
-        username: this.selected.username
+      const confirmed = await confirmAction(this, {
+        title: this.$t('admin.vocabLessonMarkComplete.confirmTitle'),
+        message: this.$t('admin.vocabLessonMarkComplete.confirm', {
+          n,
+          username: this.selected.username
+        })
       });
-      if (!window.confirm(msg)) {
+      if (!confirmed) {
         return;
       }
-      this.runAdminVocabMarkThrough();
+      await this.runAdminVocabMarkThrough();
     },
     async runAdminVocabMarkThrough() {
       this.vocabMarkSubmitting = true;