Feat/issues 519 520 521 522#594
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hman38705 merged 4 commits intosolutions-plug:mainfrom Apr 25, 2026
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…ved ARIA labels and keyboard navigation - Add keyboard event handling for form submission - Improve form status announcements with ref-based approach - Add ARIA menubar and menuitem roles to navigation - Enhance keyboard navigation support for all interactive elements
- Create ErrorBoundary component with fallback UI - Wrap main layout with error boundary - Add error boundary styling with accessible fallback UI - Include error reporting and page reload functionality
- Add dynamic imports for LandingPage component - Implement Suspense boundary with loading state - Create next.config.js with webpack optimization - Configure chunk splitting for vendor and common code - Enable SWC minification and image optimization
- Create env.ts module for environment validation - Validate required environment variables at startup - Throw error in production if variables are missing - Warn in development mode - Update API client to use validated environment config - Add .env.example with documentation
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Summary
Implemented four critical frontend improvements addressing accessibility compliance, error resilience, performance optimization, and environment configuration validation.
Changes
Issue #519: Frontend Accessibility Compliance
Issue #520: Error Boundary Components
ErrorBoundary.tsxcomponent with accessible fallback UIIssue #521: Route-based Code Splitting
next.config.jswith webpack optimization configurationIssue #522: Environment Variable Validation
env.tsmodule for centralized environment validation.env.examplewith comprehensive documentationFiles Modified
frontend/src/components/LandingPage.tsx- Enhanced accessibilityfrontend/src/components/ErrorBoundary.tsx- New error boundary componentfrontend/src/app/layout.tsx- Integrated error boundaryfrontend/src/app/page.tsx- Implemented code splitting with dynamic importsfrontend/src/lib/env.ts- New environment validation modulefrontend/src/lib/api/client.ts- Updated to use validated environmentfrontend/src/styles/accessibility.css- Added error boundary stylesfrontend/next.config.js- New webpack optimization configurationfrontend/.env.example- New environment documentationTesting
Closes #519
Closes #520
Closes #521
Closes #522