Lukas
576ec43854
Task 6.1 - Consistent loading/error/empty states across all charts: - Add ChartStateWrapper shared component with Spinner, error MessageBar + Retry button, and friendly empty message - Expose reload() in useBanTrend, useJailDistribution, useDashboardCountryData hooks - Update BanTrendChart and JailDistributionChart to use ChartStateWrapper - Add empty state to TopCountriesBarChart and TopCountriesPieChart - Replace manual loading/error logic in DashboardPage with ChartStateWrapper Task 6.2 - Frontend tests (5 files, 20 tests): - Install Vitest v4, jsdom, @testing-library/react, @testing-library/jest-dom - Add vitest.config.ts (separate from vite.config.ts to avoid Vite v5/v7 clash) - Add src/setupTests.ts with jest-dom matchers and ResizeObserver/matchMedia stubs - Tests: ChartStateWrapper (7), BanTrendChart (4), JailDistributionChart (4), TopCountriesPieChart (2), TopCountriesBarChart (3) Task 6.3 - Full QA: - ruff: clean - mypy --strict: 52 files, no issues - pytest: 497 passed - tsc --noEmit: clean - eslint: clean (added test-file override for explicit-function-return-type) - vite build: success