v2.0.0

Added:

• Health checking system with configurable endpoints
• Centralized configuration with environment variables
• Automatic failover to healthy origins
• Proper error responses with Retry-After headers
• Request timeouts and abort controllers

Improved:

• Session management with dual TTL system
• Caching strategy with separate TTLs
• Weighted round-robin with health awareness
• Error handling and failover logic
• Code structure and maintainability

v1.0.0

First release