// A COMPREHENSIVE GUIDE TO TEACH ME PUTER.JS FROM ABSOLUTE BEGINNER TO ADVANCED MASTERY, WITH A STRUCTURED CHAPTER-BY-CHAPTER LEARNING GUIDE COVERING WHAT PUTER.JS IS AND HOW IT WORKS INTERNALLY, SETUP AND ENVIRONMENT, CORE APIS, FILE SYSTEM ACCESS, APPS AND WINDOW MANAGEMENT, PERMISSIONS AND SECURITY MODEL, AUTHENTICATION AND USER CONTEXT, UI COMPONENTS AND EVENT HANDLING, STATE MANAGEMENT, INTEGRATION WITH BACKEND SERVICES AND APIS, REAL-WORLD APPLICATION DEVELOPMENT SCENARIOS, PERFORMANCE CONSIDERATIONS, DEBUGGING AND COMMON PITFALLS, DEPLOYMENT AND DISTRIBUTION OF PUTER.JS APPS, LIMITATIONS AND BEST PRACTICES, AND COMPARISONS WITH TRADITIONAL WEB AND DESKTOP APP MODELS, USING UP-TO-DATE PUTER.JS BEHAVIOR AND ECOSYSTEM KNOWLEDGE AS OF JANUARY 2026. CHAPTERS