Module session_handler 

JSON-RPC 2.0 over HTTP handler for MCP requests with SessionStorage integration

This handler implements proper JSON-RPC 2.0 server over HTTP transport with MCP 2025-06-18 compliance, including:

• SessionStorage trait integration (defaults to InMemory)
• StreamManager for SSE with resumability
• 202 Accepted for notifications
• Last-Event-ID header support
• Per-session event targeting

Structs

SessionMcpHandler

JSON-RPC 2.0 over HTTP handler with shared StreamManager

SessionSseStream

SSE stream body that implements hyper’s Body trait