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frontend/FRONTEND_UI_TASKS.md

@@ -226,22 +226,22 @@
 **Purpose:** Fetch all active categories
 
 **Frontend Tasks:**
-- [ ] Create `CategoryService` with `getCategories()` method
-- [ ] Store categories in `categoriesState` signal
-- [ ] Implement caching strategy for categories (1 hour TTL)
-- [ ] Handle guest vs authenticated user filtering (guestAccessible flag)
-- [ ] Sort categories by displayOrder or name
+- [x] Create `CategoryService` with `getCategories()` method
+- [x] Store categories in `categoriesState` signal
+- [x] Implement caching strategy for categories (1 hour TTL)
+- [x] Handle guest vs authenticated user filtering (guestAccessible flag)
+- [x] Sort categories by displayOrder or name
 
 **UI Tasks:**
-- [ ] Build `CategoryListComponent` to display all categories
-- [ ] Design category card with icon, name, description, question count
-- [ ] Show "Locked" badge for auth-only categories (guest users)
-- [ ] Implement grid layout (responsive: 1 col mobile, 2 cols tablet, 3-4 cols desktop)
-- [ ] Add search/filter bar for categories
-- [ ] Show loading skeleton while fetching
-- [ ] Display empty state if no categories available
-- [ ] Add hover effects and click animation
-- [ ] Ensure keyboard navigation and ARIA labels
+- [x] Build `CategoryListComponent` to display all categories
+- [x] Design category card with icon, name, description, question count
+- [x] Show "Locked" badge for auth-only categories (guest users)
+- [x] Implement grid layout (responsive: 1 col mobile, 2 cols tablet, 3-4 cols desktop)
+- [x] Add search/filter bar for categories
+- [x] Show loading skeleton while fetching
+- [x] Display empty state if no categories available
+- [x] Add hover effects and click animation
+- [x] Ensure keyboard navigation and ARIA labels
 
 ---
 
@@ -249,21 +249,21 @@
 **Purpose:** Get category details with question preview
 
 **Frontend Tasks:**
-- [ ] Add `CategoryService.getCategoryById(id)` method
-- [ ] Store selected category in `selectedCategoryState` signal
-- [ ] Fetch category stats (total questions, difficulty breakdown, accuracy)
-- [ ] Handle 404 if category not found
-- [ ] Handle 403 for guest users accessing auth-only categories
+- [x] Add `CategoryService.getCategoryById(id)` method
+- [x] Store selected category in `selectedCategoryState` signal
+- [x] Fetch category stats (total questions, difficulty breakdown, accuracy)
+- [x] Handle 404 if category not found
+- [x] Handle 403 for guest users accessing auth-only categories
 
 **UI Tasks:**
-- [ ] Build `CategoryDetailComponent` showing full category info
-- [ ] Display category header with icon, name, description
-- [ ] Show statistics (total questions, difficulty breakdown chart)
-- [ ] Display question preview (first 5 questions)
-- [ ] Add "Start Quiz" button with difficulty selector
-- [ ] Show loading spinner while fetching details
-- [ ] Display error message if category not accessible
-- [ ] Implement breadcrumb navigation (Home > Categories > Category Name)
+- [x] Build `CategoryDetailComponent` showing full category info
+- [x] Display category header with icon, name, description
+- [x] Show statistics (total questions, difficulty breakdown chart)
+- [x] Display question preview (first 5 questions)
+- [x] Add "Start Quiz" button with difficulty selector
+- [x] Show loading spinner while fetching details
+- [x] Display error message if category not accessible
+- [x] Implement breadcrumb navigation (Home > Categories > Category Name)
 
 ---
 
@@ -271,19 +271,19 @@
 **Purpose:** Create new category
 
 **Frontend Tasks:**
-- [ ] Add `CategoryService.createCategory(data)` method (admin only)
-- [ ] Validate form data (name, slug, description)
-- [ ] Handle 401/403 authorization errors
-- [ ] Invalidate category cache after creation
+- [x] Add `CategoryService.createCategory(data)` method (admin only)
+- [x] Validate form data (name, slug, description)
+- [x] Handle 401/403 authorization errors
+- [x] Invalidate category cache after creation
 
 **UI Tasks:**
-- [ ] Build `CategoryFormComponent` (admin) for creating categories
-- [ ] Design form with name, slug, description, icon, color fields
-- [ ] Add guest accessible checkbox
-- [ ] Show slug preview/auto-generation
-- [ ] Display validation errors inline
-- [ ] Show success toast after creation
-- [ ] Redirect to category list after success
+- [x] Build `CategoryFormComponent` (admin) for creating categories
+- [x] Design form with name, slug, description, icon, color fields
+- [x] Add guest accessible checkbox
+- [x] Show slug preview/auto-generation
+- [x] Display validation errors inline
+- [x] Show success toast after creation
+- [x] Redirect to category list after success
 
 ---
 
@@ -291,17 +291,17 @@
 **Purpose:** Update category
 
 **Frontend Tasks:**
-- [ ] Add `CategoryService.updateCategory(id, data)` method (admin only)
-- [ ] Pre-fill form with existing category data
-- [ ] Handle 404 if category not found
-- [ ] Invalidate cache after update
+- [x] Add `CategoryService.updateCategory(id, data)` method (admin only)
+- [x] Pre-fill form with existing category data
+- [x] Handle 404 if category not found
+- [x] Invalidate cache after update
 
 **UI Tasks:**
-- [ ] Reuse `CategoryFormComponent` in edit mode
-- [ ] Pre-populate form fields with existing data
-- [ ] Show "Editing: Category Name" header
-- [ ] Add "Cancel" and "Save Changes" buttons
-- [ ] Display success toast after update
+- [x] Reuse `CategoryFormComponent` in edit mode
+- [x] Pre-populate form fields with existing data
+- [x] Show "Editing: Category Name" header
+- [x] Add "Cancel" and "Save Changes" buttons
+- [x] Display success toast after update
 
 ---
 
@@ -309,17 +309,17 @@
 **Purpose:** Delete category
 
 **Frontend Tasks:**
-- [ ] Add `CategoryService.deleteCategory(id)` method (admin only)
-- [ ] Handle soft delete
-- [ ] Invalidate cache after deletion
-- [ ] Handle 404 if category not found
+- [x] Add `CategoryService.deleteCategory(id)` method (admin only)
+- [x] Handle soft delete
+- [x] Invalidate cache after deletion
+- [x] Handle 404 if category not found
 
 **UI Tasks:**
-- [ ] Add delete button in admin category list
-- [ ] Show confirmation dialog before deletion
-- [ ] Display warning if category has questions
-- [ ] Show success toast after deletion
-- [ ] Remove category from list immediately
+- [x] Add delete button in admin category list
+- [x] Show confirmation dialog before deletion
+- [x] Display warning if category has questions
+- [x] Show success toast after deletion
+- [x] Remove category from list immediately
 
 ---
 
@@ -329,23 +329,23 @@
 **Purpose:** Start a new quiz session
 
 **Frontend Tasks:**
-- [ ] Create `QuizService` with `startQuiz(categoryId, questionCount, difficulty, quizType)` method
-- [ ] Store active session in `quizSessionState` signal
-- [ ] Validate category accessibility (guest vs authenticated)
-- [ ] Check guest quiz limit before starting
-- [ ] Handle JWT token or guest token header
-- [ ] Navigate to quiz page after starting
+- [x] Create `QuizService` with `startQuiz(categoryId, questionCount, difficulty, quizType)` method
+- [x] Store active session in `quizSessionState` signal
+- [x] Validate category accessibility (guest vs authenticated)
+- [x] Check guest quiz limit before starting
+- [x] Handle JWT token or guest token header
+- [x] Navigate to quiz page after starting
 
 **UI Tasks:**
-- [ ] Build `QuizSetupComponent` for configuring quiz
-- [ ] Add category selector dropdown
-- [ ] Add question count slider (5, 10, 15, 20)
-- [ ] Add difficulty selector (Easy, Medium, Hard, Mixed)
-- [ ] Add quiz type selector (Practice, Timed)
-- [ ] Show estimated time for quiz
-- [ ] Display "Start Quiz" button with loading state
-- [ ] Show guest limit warning if applicable
-- [ ] Implement responsive design
+- [x] Build `QuizSetupComponent` for configuring quiz
+- [x] Add category selector dropdown
+- [x] Add question count slider (5, 10, 15, 20)
+- [x] Add difficulty selector (Easy, Medium, Hard, Mixed)
+- [x] Add quiz type selector (Practice, Timed)
+- [x] Show estimated time for quiz
+- [x] Display "Start Quiz" button with loading state
+- [x] Show guest limit warning if applicable
+- [x] Implement responsive design
 
 ---
 
@@ -353,28 +353,28 @@
 **Purpose:** Submit answer for current question
 
 **Frontend Tasks:**
-- [ ] Add `QuizService.submitAnswer(questionId, answer, sessionId)` method
-- [ ] Update quiz session state with answer result
-- [ ] Increment current question index
-- [ ] Calculate and update score in real-time
-- [ ] Handle validation errors
-- [ ] Store answer history for review
+- [x] Add `QuizService.submitAnswer(questionId, answer, sessionId)` method
+- [x] Update quiz session state with answer result
+- [x] Increment current question index
+- [x] Calculate and update score in real-time
+- [x] Handle validation errors
+- [x] Store answer history for review
 
 **UI Tasks:**
-- [ ] Build `QuizQuestionComponent` displaying current question
-- [ ] Show question text, type, and options
-- [ ] Create answer input based on question type:
+- [x] Build `QuizQuestionComponent` displaying current question
+- [x] Show question text, type, and options
+- [x] Create answer input based on question type:
   - Multiple choice: Radio buttons
   - True/False: Toggle buttons
   - Written: Text area
-- [ ] Show "Submit Answer" button (disabled until answer selected)
-- [ ] Display loading spinner during submission
-- [ ] Show immediate feedback (correct/incorrect) with animation
-- [ ] Display explanation after submission
-- [ ] Show "Next Question" button after submission
-- [ ] Update progress bar and score
-- [ ] Add timer display if timed quiz
-- [ ] Prevent answer changes after submission
+- [x] Show "Submit Answer" button (disabled until answer selected)
+- [x] Display loading spinner during submission
+- [x] Show immediate feedback (correct/incorrect) with animation
+- [x] Display explanation after submission
+- [x] Show "Next Question" button after submission
+- [x] Update progress bar and score
+- [x] Add timer display if timed quiz
+- [x] Prevent answer changes after submission
 
 ---
 
@@ -382,25 +382,25 @@
 **Purpose:** Complete quiz session and get results
 
 **Frontend Tasks:**
-- [ ] Add `QuizService.completeQuiz(sessionId)` method
-- [ ] Store final results in `quizResultsState` signal
-- [ ] Calculate percentage score
-- [ ] Fetch detailed answer breakdown
-- [ ] Clear active session state
-- [ ] Redirect to results page
+- [x] Add `QuizService.completeQuiz(sessionId)` method
+- [x] Store final results in `quizResultsState` signal
+- [x] Calculate percentage score
+- [x] Fetch detailed answer breakdown
+- [x] Clear active session state
+- [x] Redirect to results page
 
 **UI Tasks:**
-- [ ] Build `QuizResultsComponent` showing final score
-- [ ] Display score with percentage and message (Excellent, Good, Keep Practicing)
-- [ ] Show time taken and questions answered
-- [ ] Display pie chart for correct/incorrect breakdown
-- [ ] List all questions with user answers and correct answers
-- [ ] Highlight incorrect answers in red
-- [ ] Add "Review Incorrect Answers" button
-- [ ] Add "Retake Quiz" button
-- [ ] Add "Return to Dashboard" button
-- [ ] Show confetti animation for high scores (>80%)
-- [ ] Add social share buttons (Twitter, LinkedIn, Facebook)
+- [x] Build `QuizResultsComponent` showing final score
+- [x] Display score with percentage and message (Excellent, Good, Keep Practicing)
+- [x] Show time taken and questions answered
+- [x] Display pie chart for correct/incorrect breakdown
+- [x] List all questions with user answers and correct answers
+- [x] Highlight incorrect answers in red
+- [x] Add "Review Incorrect Answers" button
+- [x] Add "Retake Quiz" button
+- [x] Add "Return to Dashboard" button
+- [x] Show confetti animation for high scores (>80%)
+- [x] Add social share buttons (Twitter, LinkedIn, Facebook)
 
 ---
 
@@ -408,15 +408,15 @@
 **Purpose:** Get current quiz session details
 
 **Frontend Tasks:**
-- [ ] Add `QuizService.getSession(sessionId)` method
-- [ ] Restore session state if user refreshes page
-- [ ] Handle 404 if session not found
-- [ ] Resume quiz from current question index
+- [x] Add `QuizService.getSession(sessionId)` method
+- [x] Restore session state if user refreshes page
+- [x] Handle 404 if session not found
+- [x] Resume quiz from current question index
 
 **UI Tasks:**
-- [ ] Show "Resume Quiz" prompt if incomplete session exists
-- [ ] Display current progress in prompt (e.g., "Question 5 of 10")
-- [ ] Allow user to continue or start new quiz
+- [x] Show "Resume Quiz" prompt if incomplete session exists
+- [x] Display current progress in prompt (e.g., "Question 5 of 10")
+- [x] Allow user to continue or start new quiz
 
 ---
 
@@ -424,19 +424,19 @@
 **Purpose:** Review completed quiz
 
 **Frontend Tasks:**
-- [ ] Add `QuizService.reviewQuiz(sessionId)` method
-- [ ] Fetch all questions and answers for session
-- [ ] Store review data in signal
-- [ ] Handle 404 if session not found
+- [x] Add `QuizService.reviewQuiz(sessionId)` method
+- [x] Fetch all questions and answers for session
+- [x] Store review data in signal
+- [x] Handle 404 if session not found
 
 **UI Tasks:**
-- [ ] Build `QuizReviewComponent` for reviewing completed quiz
-- [ ] Display each question with user answer and correct answer
-- [ ] Highlight correct answers in green, incorrect in red
-- [ ] Show explanations for all questions
-- [ ] Add "Bookmark" button for difficult questions
-- [ ] Implement pagination or infinite scroll for long quizzes
-- [ ] Add "Back to Results" button
+- [x] Build `QuizReviewComponent` for reviewing completed quiz
+- [x] Display each question with user answer and correct answer
+- [x] Highlight correct answers in green, incorrect in red
+- [x] Show explanations for all questions
+- [x] Add "Bookmark" button for difficult questions
+- [x] Implement pagination or infinite scroll for long quizzes
+- [x] Add "Back to Results" button
 
 ---
 
@@ -446,27 +446,27 @@
 **Purpose:** Get user dashboard with statistics
 
 **Frontend Tasks:**
-- [ ] Create `UserService` with `getDashboard(userId)` method
-- [ ] Store dashboard data in `dashboardState` signal
-- [ ] Fetch on dashboard component load
-- [ ] Implement caching (5 min TTL)
-- [ ] Handle 401 if not authenticated
+- [x] Create `UserService` with `getDashboard(userId)` method
+- [x] Store dashboard data in `dashboardState` signal
+- [x] Fetch on dashboard component load
+- [x] Implement caching (5 min TTL)
+- [x] Handle 401 if not authenticated
 
 **UI Tasks:**
-- [ ] Build `DashboardComponent` as main user landing page
-- [ ] Display welcome message with username
-- [ ] Show overall statistics cards:
+- [x] Build `DashboardComponent` as main user landing page
+- [x] Display welcome message with username
+- [x] Show overall statistics cards:
   - Total quizzes taken
   - Overall accuracy percentage
   - Current streak
   - Total questions answered
-- [ ] Create category-wise performance chart (bar chart or pie chart)
-- [ ] Display recent quiz sessions (last 5) with scores
-- [ ] Show achievements and badges earned
-- [ ] Add "Start New Quiz" CTA button
-- [ ] Implement responsive grid layout (stack on mobile)
-- [ ] Add loading skeletons for data sections
-- [ ] Show empty state if no quizzes taken yet
+- [x] Create category-wise performance chart (bar chart or pie chart)
+- [x] Display recent quiz sessions (last 5) with scores
+- [x] Show achievements and badges earned
+- [x] Add "Start New Quiz" CTA button
+- [x] Implement responsive grid layout (stack on mobile)
+- [x] Add loading skeletons for data sections
+- [x] Show empty state if no quizzes taken yet
 
 ---
 
@@ -474,24 +474,24 @@
 **Purpose:** Get quiz history with pagination
 
 **Frontend Tasks:**
-- [ ] Add `UserService.getHistory(userId, page, limit, category?, sortBy?)` method
-- [ ] Store history in `historyState` signal
-- [ ] Implement pagination state management
-- [ ] Add filtering by category
-- [ ] Add sorting by date or score
-- [ ] Handle query parameters in URL
+- [x] Add `UserService.getHistory(userId, page, limit, category?, sortBy?)` method
+- [x] Store history in `historyState` signal
+- [x] Implement pagination state management
+- [x] Add filtering by category
+- [x] Add sorting by date or score
+- [x] Handle query parameters in URL
 
 **UI Tasks:**
-- [ ] Build `QuizHistoryComponent` displaying all past quizzes
-- [ ] Create history table/list with columns: Date, Category, Score, Time, Actions
-- [ ] Add filter dropdown for category
-- [ ] Add sort dropdown (Date, Score)
-- [ ] Implement pagination controls (Previous, Next, Page numbers)
-- [ ] Show "View Details" button for each quiz
-- [ ] Display loading spinner during fetch
-- [ ] Show empty state if no history
-- [ ] Make table responsive (collapse to cards on mobile)
-- [ ] Add export functionality (CSV download)
+- [x] Build `QuizHistoryComponent` displaying all past quizzes
+- [x] Create history table/list with columns: Date, Category, Score, Time, Actions
+- [x] Add filter dropdown for category
+- [x] Add sort dropdown (Date, Score)
+- [x] Implement pagination controls (Previous, Next, Page numbers)
+- [x] Show "View Details" button for each quiz
+- [x] Display loading spinner during fetch
+- [x] Show empty state if no history
+- [x] Make table responsive (collapse to cards on mobile)
+- [x] Add export functionality (CSV download)
 
 ---