Module websocket 

WebSocket Support for Real-Time IPFRS Communication

Provides:

• WebSocket upgrade handler
• Message routing and handling
• Pub/sub pattern for subscriptions
• Real-time event notifications (block additions, peer connections, etc.)

Structs

SubscriptionManager

Manages WebSocket subscriptions and pub/sub

WsState

WebSocket handler state

Enums

RealtimeEvent

Real-time event types

WsError

WebSocket errors

WsMessage

WebSocket message envelope

Functions

ws_handler

WebSocket upgrade handler