Release v0.4.8: Complete MEDIUM level refactoring Major refactoring improvements: - Centralized utility modules (json_utils, trim_whitespace, build_path) - URL encoding and JSON parsing consolidation - Improved bounds checking and error handling - Simplified complex goto logic - Standardized file path construction - Enhanced logging system with 3-character tags - Global config encapsulation Technical improvements: - Removed ~500+ lines of duplicate code - Added safety checks for buffer operations - Improved code organization and maintainability - Better error handling throughout All CRITICAL, HIGH, and MEDIUM priority refactoring issues completed.