// PREPARE ME FOR TYPESCRIPT INTERVIEWS FROM BEGINNER TO ARCHITECT LEVEL, COVERING TYPE SYSTEM FUNDAMENTALS, STRUCTURAL TYPING, INFERENCE, GENERICS, UNIONS AND INTERSECTIONS, CONDITIONAL AND MAPPED TYPES, UTILITY TYPES, TYPE NARROWING, DECLARATION FILES, COMPILER BEHAVIOR, TSCONFIG DECISIONS, ADVANCED TYPING PATTERNS, REAL-WORLD REFACTORING SCENARIOS, TRICKY TYPE PUZZLES, AND ARCHITECTURAL TRADE-OFFS IN LARGE CODEBASES, USING SCENARIO-BASED AND CHALLENGING QUESTIONS ALIGNED WITH MODERN TYPESCRIPT USAGE AS OF JANUARY 2026. INTERVIEW PREPARATION - COMPLETE GUIDE