feat: Add core e-learning pages for authentication, course discovery, learning, and user dashboard.

Frontend-Learner/pages/auth/login.vue

@@ -119,10 +119,7 @@ const handleLogin = async () => {
   }
 }
 
-// optional: social login placeholder (ไม่แตะ API เดิม)
-const handleGoogleLogin = () => {
-  // TODO: implement when backend ready
-}
+
 
 onMounted(() => {
   const savedEmail = localStorage.getItem('remembered_email')

Frontend-Learner/pages/browse/discovery.vue

@@ -32,7 +32,7 @@ const showAllCategories = ref(false);
 const { t } = useI18n();
 const { fetchCategories } = useCategory();
 const { fetchCourses, fetchCourseById, enrollCourse } = useCourse();
-const { currentUser } = useAuth();
+// const { currentUser } = useAuth() // Unused
 
 // 2. Computed Properties
 const sortOption = ref(computed(() => t('discovery.sortRecent')));
@@ -321,7 +321,7 @@ onMounted(() => {
           <div class="bg-white rounded-3xl p-6 shadow-lg border border-slate-100 sticky top-24">
             <q-btn
               @click="handleEnroll(selectedCourse.id)"
-              unetab
+
               unelevated
               rounded
               class="w-full py-3 text-lg font-bold bg-gradient-to-r from-blue-600 to-indigo-600 text-white shadow-lg"

Frontend-Learner/pages/classroom/learning.vue

@@ -20,7 +20,7 @@ const route = useRoute()
 const router = useRouter()
 const { t } = useI18n()
 const { user } = useAuth()
-const { fetchCourseLearningInfo, fetchLessonContent, saveVideoProgress, markLessonComplete, checkLessonAccess, fetchVideoProgress } = useCourse()
+const { fetchCourseLearningInfo, fetchLessonContent, saveVideoProgress, checkLessonAccess, fetchVideoProgress } = useCourse()
 // Media Prefs (Global Volume)
 const { volume, muted: isMuted, setVolume, setMuted, applyTo } = useMediaPrefs()
 
@@ -44,7 +44,7 @@ const isPlaying = ref(false)
 const videoProgress = ref(0)
 const currentTime = ref(0)
 const duration = ref(0)
-const saveProgressInterval = ref<any>(null) // ตัวแปรเก็บ setInterval สำหรับบันทึกความคืบหน้าอัตโนมัติ
+// const saveProgressInterval = ref<any>(null) // Removed unused interval
 
 // Helper for localization
 const getLocalizedText = (text: any) => {
@@ -351,7 +351,7 @@ const videoSrc = computed(() => {
 // 3. ระบบบันทึกความคืบหน้า (Progress Tracking)
 // ==========================================
 // บันทึกอัตโนมัติทุกๆ 10 วินาทีเมื่อเล่นวิดีโอ
-// บันทึกอัตโนมัติทุกๆ 10 วินาทีเมื่อเล่นวิดีโอ
+
 // Event Listeners for Robustness
 onMounted(() => {
     // Page/Tab Visibility Logic
@@ -404,31 +404,15 @@ watch(isPlaying, (playing) => {
 })
 
 // เมื่อวิดีโอจบ ให้บันทึกว่าเรียนจบ (Complete)
-// เมื่อวิดีโอจบ ให้บันทึกว่าเรียนจบ (Complete)
+
 const onVideoEnded = async () => {
     isPlaying.value = false
 
     // Force save progress at 100%
     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) {
-             markLessonAsCompletedLocally(currentLesson.value.id)
-             
-             // If course completed
-             if (res.data.is_course_completed) {
-                  // Refresh course data to update certificate status
-                  await loadCourseData()
-                  alert(t('course.completed') || "ยินดีด้วย! คุณเรียนจบหลักสูตรแล้ว")
-             }
-        }
-    }
-    */
     
     // Just refresh local state assuming server handles completion via progress
     if (currentLesson.value) {
@@ -457,7 +441,7 @@ onMounted(() => {
 })
 
 onBeforeUnmount(() => {
-    clearInterval(saveProgressInterval.value)
+
 })
 </script>
 

Frontend-Learner/pages/dashboard/my-courses.vue

@@ -18,7 +18,7 @@ useHead({
 const route = useRoute()
 const showEnrollModal = ref(false)
 const activeFilter = ref<'all' | 'progress' | 'completed'>('all')
-const { currentUser } = useAuth()
+// const { currentUser } = useAuth() // Unused
 
 // Check URL query parameters to show 'Enrollment Success' modal
 onMounted(() => {
@@ -87,7 +87,7 @@ onMounted(() => {
 // Certificate Handling
 const downloadingCourseId = ref<number | null>(null)
 // Certificate Handling
-// Certificate Handling
+
 const downloadCertificate = async (course: any) => {
   if (!course) return
   downloadingCourseId.value = course.id

Frontend-Learner/pages/dashboard/profile.vue

@@ -10,7 +10,8 @@ useHead({
 
 const { currentUser, updateUserProfile, changePassword, uploadAvatar } = useAuth()
 const { t } = useI18n()
-const { errors, validate, clearFieldError } = useFormValidation()
+// const { errors, validate, clearFieldError } = useFormValidation() // Unused
+
 
 const isEditing = ref(false)
 const isProfileSaving = ref(false)
@@ -106,41 +107,7 @@ const handleFileUpload = async (event: Event) => {
   }
 }
 
-const handleDeleteAvatar = async () => {
-    // 1. Clear local preview
-    userData.value.photoURL = ''
-    
-    // 2. Update Auth State
-    if (currentUser.value?.role) {
-         // Direct manipulation since useAuth is shared state
-         if (currentUser.value.photoURL) {
-             // We can't set currentUser directly as it is computed.
-             // We must access the underlying user state from useAuth?
-             // But we only destructured what we needed.
-         }
-    }
-    
-    // Access the user raw ref from useAuth would be better but we didn't destructure it.
-    // However, we can use a workaround: call updateUserProfile with empty avatar if supported OR just assume local state.
-    // The user requirement is: "If delete is clicked ... display q-avatar__content".
-    // Since we don't have a confirmed DELETE API, we will just update the visual state.
-    // To make it persist somewhat (until refresh), we update the cookie via a helper if possible, 
-    // BUT since we don't have access to `user` ref here (only currentUser computed), 
-    // let's grab `user` from useAuth() again or add it to destructure. 
-    
-    // Actually, I'll allow this component to just visual clear for now, 
-    // until we confirm API. But wait, `uploadAvatar` updates the global user state.
-    // We should probably export `user` from useAuth or Add a `clearAvatar` method to useAuth.
-    // For now, let's keep it simple in the component:
-    
-    // TODO: Call API to delete avatar if endpoint exists.
-    // For now, visual clear.
-    
-    const { user } = useAuth() // Re-access to get the raw user ref
-    if (user.value && user.value.profile) {
-        user.value.profile.avatar_url = null
-    }
-}
+
 
 const handleUpdateProfile = async () => {
   isProfileSaving.value = true