* 📚 **Overview**: Execute a full accessibility audit and implement WCAG 2.1 AA standards across the application. * 🎯 **Objectives**: - Fix responsive overflows - Ensure contrast compliance - Implement ARIA live regions * 🧠 **Problem Context**: The current UI has several accessibility gaps, including poor keyboard navigation and missing screen reader support. * 🧩 **Technical Scope**: All UI components, ThemeProvider, layout files. * ✅ **Acceptance Criteria**: - [ ] Lighthouse accessibility score >= 95 - [ ] Full keyboard navigation possible - [ ] Live regions announce real-time updates * 🔐 **Security / Integrity Considerations**: Accessibility is an inclusion requirement and protocol standard. * ⏳ **Complexity & Effort**: Medium * 🔗 **References**: Internal Ref #FE-MATURE-001 * 🏷️ **Labels**: frontend, stellar-wave, complexity-medium ---