Strengthen interfaces against edge cases, errors, internationalization issues, and real-world usage scenarios that break idealized designs. Assess Hardening Needs Identify weaknesses and edge cases: 1. Test with extreme inputs : - Very long text (names, descriptions, titles) - Very short text (empty, single character) - Special characters (emoji, RTL text, accents) - Large numbers (millions, billions) - Many items (1000+ list items, 50+ options) - No data (empty states) 2. Test error scenarios : - Network failures (offline, slow, timeout) - API errors (400, 401, 403, 404, 500) - Validation er…