4 Commits

Author	SHA1	Message	Date
Paul Bailey	82635559db	feat: implement data visualization charts for analytics dashboard ... - Add TimeSeriesChart component for report trends over time - Add LitterTypeChart component with pie chart for type distribution - Add QuantityChart component with bar chart for quantity aggregation - Update analytics service with new API methods for chart data - Add new types for chart data structures (TimeSeriesDataPoint, LitterTypeDistribution, QuantityAggregation) - Integrate charts into AnalyticsPage with responsive grid layout - Add mock data fallback for development when API is not available - Configure charts for mobile responsiveness - Implement comparison metrics display in time series - Add loading states and empty states for all charts Implements task 11: Data visualization charts Requirements: 5.2, 5.3, 5.4	2025-11-16 18:58:01 +00:00
Paul Bailey	4be50caf4c	fix: add graceful fallback for analytics API not yet implemented ... - Show mock data (zeros) when API is unavailable - Display warning message instead of error - Update export error message to be more informative - Prevents JSON parse errors when backend endpoints don't exist yet	2025-11-16 18:53:39 +00:00
Paul Bailey	9f7fc43fb2	feat: implement analytics dashboard layout (task 10) ... - Add analytics types (AnalyticsSummary, DateRange) - Create analyticsService for API calls and CSV export - Implement DateRangeSelector component with presets - Create StatCard component for summary statistics - Build responsive AnalyticsPage with: - Summary statistics cards (reports, events, users, litter collected) - Date range filtering with presets - CSV export functionality - Loading and error states - Responsive grid layout Requirements: 5.1, 5.5	2025-11-16 18:52:34 +00:00
Paul Bailey	ba324b370e	Initial Commit	2025-11-16 16:00:51 +00:00