I18n/locale check

PR_SUMMARY.md

@@ -3,29 +3,36 @@
 ## Issue #84: Implement Advanced Data Visualization
 
 ### Overview
+
 This PR implements a comprehensive data visualization system for the TeachLink platform with interactive charts, real-time updates, custom chart builder, and data exploration tools.
 
 ### Changes Made
 
 #### New Components (4)
+
 1. **InteractiveChartLibrary** - Multi-type chart library with 7 chart types
 2. **RealTimeDataVisualizer** - Live data visualization with WebSocket support
 3. **CustomVisualizationBuilder** - User-friendly chart creation interface
 4. **DataExplorationTools** - Interactive data analysis and filtering
 
 #### New Hooks (1)
+
 1. **useDataVisualization** - Centralized state management for visualizations
 
 #### New Utilities (1)
+
 1. **visualizationUtils** - 20+ helper functions for data transformation and analysis
 
 #### New Pages (1)
+
 1. **Visualization Demo** - Interactive showcase at `/visualization-demo`
 
 #### Tests (1)
+
 1. **visualizationUtils.test.ts** - 25+ test cases with comprehensive coverage
 
 #### Documentation (3)
+
 1. **README.md** - Complete API documentation
 2. **QUICK_START.md** - 5-minute getting started guide
 3. **VISUALIZATION_IMPLEMENTATION.md** - Implementation details
@@ -59,6 +66,7 @@ src/
 ### Features Implemented
 
 #### ✅ Chart Library
+
 - 7 chart types (Line, Bar, Area, Pie, Doughnut, Scatter, Radar)
 - Interactive tooltips and legends
 - Click event handlers
@@ -67,6 +75,7 @@ src/
 - Responsive design
 
 #### ✅ Real-Time Visualization
+
 - WebSocket integration for live updates
 - Automatic reconnection handling
 - Data simulation fallback
@@ -75,6 +84,7 @@ src/
 - Real-time statistics (mean, median, trend)
 
 #### ✅ Custom Chart Builder
+
 - Add/remove labels and datasets
 - Real-time data editing
 - Live preview
@@ -83,6 +93,7 @@ src/
 - Export configuration to JSON
 
 #### ✅ Data Exploration
+
 - Time range filtering (7d, 30d, 90d, 1y, all)
 - Chart type switching
 - Dataset selection
@@ -92,6 +103,7 @@ src/
 - Responsive statistics cards
 
 #### ✅ Additional Features
+
 - Dark mode support
 - Full TypeScript types
 - Accessibility (WCAG 2.1 Level AA)
@@ -145,6 +157,7 @@ src/
 ### Demo
 
 Visit `/visualization-demo` to see:
+
 - Interactive chart library with all 7 chart types
 - Real-time data visualization with live updates
 - Custom chart builder with full editing capabilities
@@ -153,44 +166,39 @@ Visit `/visualization-demo` to see:
 ### Usage Examples
 
 #### Basic Chart
+
 ```tsx
 import { InteractiveChartLibrary } from '@/components/visualization';
 
-<InteractiveChartLibrary
-  data={myData}
-  chartType="line"
-  title="Monthly Sales"
-/>
+<InteractiveChartLibrary data={myData} chartType="line" title="Monthly Sales" />;
 ```
 
 #### Real-Time Data
+
 ```tsx
 import { RealTimeDataVisualizer } from '@/components/visualization';
 
 <RealTimeDataVisualizer
   websocketUrl="wss://api.example.com/data"
   chartType="area"
   title="Live Activity"
-/>
+/>;
 ```
 
 #### Custom Builder
+
 ```tsx
 import { CustomVisualizationBuilder } from '@/components/visualization';
 
-<CustomVisualizationBuilder
-  onSave={(config) => saveChart(config)}
-/>
+<CustomVisualizationBuilder onSave={(config) => saveChart(config)} />;
 ```
 
 #### Data Exploration
+
 ```tsx
 import { DataExplorationTools } from '@/components/visualization';
 
-<DataExplorationTools
-  data={analyticsData}
-  title="Course Analytics"
-/>
+<DataExplorationTools data={analyticsData} title="Course Analytics" />;
 ```
 
 ### Acceptance Criteria
@@ -206,6 +214,7 @@ All acceptance criteria from issue #84 have been met:
 ### Documentation
 
 Comprehensive documentation provided:
+
 - API reference for all components
 - Usage examples and code snippets
 - Best practices guide
@@ -271,6 +280,7 @@ Closes #84
 ### Future Enhancements
 
 Potential improvements for future PRs:
+
 - 3D chart support
 - Heatmap visualizations
 - Gantt charts for course timelines
@@ -283,6 +293,7 @@ Potential improvements for future PRs:
 ### Questions?
 
 For questions or clarifications, please:
+
 1. Check the comprehensive README
 2. Review the demo page at `/visualization-demo`
 3. Read the implementation guide

VISUALIZATION_IMPLEMENTATION.md

@@ -9,19 +9,22 @@ This document describes the implementation of advanced data visualization compon
 ### Components Created
 
 1. **InteractiveChartLibrary** (`src/components/visualization/InteractiveChartLibrary.tsx`)
+
    - Comprehensive chart library with 7 chart types
    - Interactive features with click handlers
    - Customizable styling and animations
    - Responsive design with dark mode support
 
 2. **RealTimeDataVisualizer** (`src/components/visualization/RealTimeDataVisualizer.tsx`)
+
    - Live data updates via WebSocket
    - Automatic data simulation fallback
    - Pause/resume functionality
    - Real-time statistics display
    - Connection status monitoring
 
 3. **CustomVisualizationBuilder** (`src/components/visualization/CustomVisualizationBuilder.tsx`)
+
    - User-friendly chart builder interface
    - Add/remove labels and datasets
    - Real-time data editing
@@ -38,6 +41,7 @@ This document describes the implementation of advanced data visualization compon
 ### Hooks Created
 
 **useDataVisualization** (`src/hooks/useDataVisualization.tsx`)
+
 - Centralized state management for visualizations
 - WebSocket integration for real-time updates
 - Auto-refresh functionality
@@ -47,6 +51,7 @@ This document describes the implementation of advanced data visualization compon
 ### Utilities Created
 
 **visualizationUtils** (`src/utils/visualizationUtils.ts`)
+
 - Number and percentage formatting
 - Date label generation
 - Data aggregation and transformation
@@ -60,6 +65,7 @@ This document describes the implementation of advanced data visualization compon
 ### Demo Page
 
 **Visualization Demo** (`src/app/visualization-demo/page.tsx`)
+
 - Interactive showcase of all components
 - Multiple examples for each chart type
 - Real-time data demonstrations
@@ -69,6 +75,7 @@ This document describes the implementation of advanced data visualization compon
 ### Tests
 
 **Visualization Utils Tests** (`src/utils/__tests__/visualizationUtils.test.ts`)
+
 - Comprehensive test coverage for utility functions
 - 25+ test cases covering all major functions
 - Edge case handling
@@ -77,6 +84,7 @@ This document describes the implementation of advanced data visualization compon
 ### Documentation
 
 **README** (`src/components/visualization/README.md`)
+
 - Complete API documentation
 - Usage examples for all components
 - Best practices guide
@@ -86,6 +94,7 @@ This document describes the implementation of advanced data visualization compon
 ## Features Implemented
 
 ### ✅ Chart Library
+
 - [x] Line charts
 - [x] Bar charts
 - [x] Area charts
@@ -99,6 +108,7 @@ This document describes the implementation of advanced data visualization compon
 - [x] Smooth animations
 
 ### ✅ Real-Time Visualization
+
 - [x] WebSocket integration
 - [x] Live data streaming
 - [x] Automatic reconnection
@@ -109,6 +119,7 @@ This document describes the implementation of advanced data visualization compon
 - [x] Trend analysis
 
 ### ✅ Custom Chart Builder
+
 - [x] Add/remove labels
 - [x] Add/remove datasets
 - [x] Edit data values
@@ -119,6 +130,7 @@ This document describes the implementation of advanced data visualization compon
 - [x] Export to JSON
 
 ### ✅ Data Exploration
+
 - [x] Time range filtering
 - [x] Chart type switching
 - [x] Dataset selection
@@ -129,6 +141,7 @@ This document describes the implementation of advanced data visualization compon
 - [x] Responsive statistics cards
 
 ### ✅ Additional Features
+
 - [x] Dark mode support
 - [x] Responsive design
 - [x] Accessibility features
@@ -180,15 +193,17 @@ import { InteractiveChartLibrary } from '@/components/visualization';
 <InteractiveChartLibrary
   data={{
     labels: ['Jan', 'Feb', 'Mar'],
-    datasets: [{
-      label: 'Sales',
-      data: [65, 59, 80],
-      backgroundColor: '#3b82f6',
-    }],
+    datasets: [
+      {
+        label: 'Sales',
+        data: [65, 59, 80],
+        backgroundColor: '#3b82f6',
+      },
+    ],
   }}
   chartType="line"
   title="Monthly Sales"
-/>
+/>;
 ```
 
 ### Real-Time Data
@@ -201,28 +216,23 @@ import { RealTimeDataVisualizer } from '@/components/visualization';
   chartType="area"
   title="Live Activity"
   updateInterval={2000}
-/>
+/>;
 ```
 
 ### Custom Builder
 
 ```tsx
 import { CustomVisualizationBuilder } from '@/components/visualization';
 
-<CustomVisualizationBuilder
-  onSave={(config) => saveToDatabase(config)}
-/>
+<CustomVisualizationBuilder onSave={(config) => saveToDatabase(config)} />;
 ```
 
 ### Data Exploration
 
 ```tsx
 import { DataExplorationTools } from '@/components/visualization';
 
-<DataExplorationTools
-  data={analyticsData}
-  title="Course Analytics"
-/>
+<DataExplorationTools data={analyticsData} title="Course Analytics" />;
 ```
 
 ## Testing
@@ -234,6 +244,7 @@ npm test -- src/utils/__tests__/visualizationUtils.test.ts
 ```
 
 Test coverage includes:
+
 - Number formatting
 - Percentage formatting
 - Date label generation
@@ -246,6 +257,7 @@ Test coverage includes:
 ## Accessibility
 
 All components follow WCAG 2.1 Level AA guidelines:
+
 - Keyboard navigation support
 - ARIA labels and roles
 - Screen reader compatibility
@@ -271,6 +283,7 @@ All components follow WCAG 2.1 Level AA guidelines:
 ## Future Enhancements
 
 Potential improvements for future iterations:
+
 - 3D chart support
 - Heatmap visualizations
 - Gantt charts for course timelines
@@ -285,6 +298,7 @@ Potential improvements for future iterations:
 ## Integration Points
 
 The visualization components integrate with:
+
 - Course analytics system
 - Student progress tracking
 - Real-time activity monitoring
@@ -304,16 +318,19 @@ The visualization components integrate with:
 ## Deployment Notes
 
 1. Ensure all dependencies are installed:
+
    ```bash
    npm install
    ```
 
 2. Build the project:
+
    ```bash
    npm run build
    ```
 
 3. Run tests:
+
    ```bash
    npm test
    ```
@@ -354,6 +371,7 @@ Date: March 25, 2026
 ## Screenshots
 
 Visit `/visualization-demo` to see live examples of:
+
 - Interactive chart library with 7 chart types
 - Real-time data visualization with live updates
 - Custom chart builder with drag-and-drop
@@ -364,6 +382,7 @@ Visit `/visualization-demo` to see live examples of:
 This implementation provides a comprehensive, production-ready data visualization solution for the TeachLink platform. All components are fully tested, documented, and ready for integration into the main application.
 
 The visualization system is:
+
 - **Scalable**: Handles large datasets efficiently
 - **Flexible**: Supports multiple chart types and configurations
 - **Interactive**: Provides rich user interactions