Authentication & Token Management: - Add deviceId to token refresh flow (backend requires both refreshToken and deviceId) - Fix React Strict Mode token clearing race condition with retry logic - Improve AuthContext to handle all token state combinations properly - Store deviceId in localStorage alongside tokens UI/UX Improvements: - Remove deprecated legacyBehavior from Next.js Link components - Update primary theme color to WCAG AA compliant #7c3aed - Fix nested button error in TabBar voice navigation - Fix invalid Tabs value error in DynamicChildDashboard Multi-Child Dashboard: - Load all children into Redux store properly - Fetch metrics for all children, not just selected one - Remove mock data to prevent unauthorized API calls 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>