feat: Implement core e-learning pages for My Courses, Classroom, and Course Detail.

Frontend-Learner/pages/classroom/learning.vue

@@ -412,6 +412,9 @@ const onVideoEnded = async () => {
     await performSaveProgress(true, false)
     
     // Call explicit complete endpoint if exists
+    // Call explicit complete endpoint if exists
+    // REMOVED: User requested to remove explicit complete call
+    /*
     if (currentLesson.value) {
         const res = await markLessonComplete(courseId.value, currentLesson.value.id)
         if (res.success) {
@@ -422,13 +425,15 @@ const onVideoEnded = async () => {
                   // Refresh course data to update certificate status
                   await loadCourseData()
                   alert(t('course.completed') || "ยินดีด้วย! คุณเรียนจบหลักสูตรแล้ว")
-             } else if (res.data.next_lesson_id) {
-                 // Auto-advance removed as per request. 
-                 // User will manually select the next lesson from the sidebar.
-
              }
         }
     }
+    */
+    
+    // Just refresh local state assuming server handles completion via progress
+    if (currentLesson.value) {
+         markLessonAsCompletedLocally(currentLesson.value.id)
+    }
 }
 
 const formatTime = (time: number) => {