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d88c860cac
This commit adds detailed explanatory comments throughout the codebase to explain WHY certain logic is needed, not just WHAT the code does. This improves code maintainability and helps developers understand the reasoning behind complex decisions. Key improvements: - Version string processing: Explain why "v" prefix is added for semantic versioning - Control-D configuration: Explain why config is reset to prevent mixing of settings - DNS server categorization: Explain LAN vs public server handling for performance - Listener configuration: Document complex fallback logic for port/IP selection - MAC address normalization: Explain cross-platform compatibility needs - IPv6 address processing: Document Unix-specific interface suffix handling - Log content truncation: Explain why large content is limited to prevent flooding - IP address categorization: Document RFC1918 prioritization logic - IPv4/IPv6 separation: Explain network stack compatibility needs - DNS priority logic: Document different priority levels for different scenarios - Domain controller processing: Explain Windows API prefix handling - Reverse mapping creation: Document API encoding/decoding needs - Default value fallbacks: Explain why defaults prevent system failures - IP stack configuration: Document different defaults for different upstream types These comments help future developers understand the reasoning behind complex business logic, making the codebase more maintainable and reducing the risk of incorrect modifications during maintenance.