Module correlation 

Request correlation and distributed tracing for MCP servers

This module provides:

• Request correlation IDs
• Distributed trace propagation
• Request context tracking
• Cross-service correlation

Structs

CorrelationConfig

Configuration for correlation tracking

CorrelationContext

Request correlation context

CorrelationHeaders

HTTP headers used for correlation propagation

CorrelationManager

Correlation manager

CorrelationStats

Correlation statistics

RequestTraceEntry

Request tracking entry

Enums

CorrelationError

Correlation errors