Module refresh 

Auto-refresh functionality for frequently accessed cache entries.

This module provides enterprise-grade auto-refresh capabilities that proactively refresh frequently-accessed cache entries before they expire, reducing cache misses and latency.

Architecture

• AccessTracker: Lock-free access frequency tracking with time-decay
• RefreshMetadata: Minimal request reconstruction data
• AutoRefreshConfig: Configuration for auto-refresh behavior
• RefreshManager: Background task orchestration with graceful shutdown

Safety

• Zero panics in production code paths
• Graceful error handling and degradation
• Proper resource cleanup on Drop
• Thread-safe and async-safe

Structs

AccessTracker

Tracks access frequency for cache keys.

AutoRefreshConfig

Configuration for auto-refresh functionality.

RefreshManager

Manages the auto-refresh background task and state.

RefreshMetadata

Metadata needed to reconstruct a request for auto-refresh.

Traits

RefreshCallback

Callback trait for triggering refresh operations.

Type Aliases

RefreshFuture

Future type for refresh operations.

RefreshResult

Result type for refresh operations.