//! # Server Guide
//!
//! Documentation for server operators and backend developers implementing
//! D-Engine in their systems. Covers deployment, configuration, and customization.
//!
//! ## Topics
//!
//! - [Custom Storage Engines](self::customize_storage_engine) - Implementing storage backends
//! - [Custom State Machines](self::customize_state_machine) - Building application-specific state
//! machines
//! - [Consistency Tuning](self::consistency_tuning) - Read consistency configuration
//! - [Watch Feature](self::watch_feature) - Real-time key change notifications