VLESS protocol: Add Reverse Proxy (4) Command and extremely simple config (#5101)

https://github.com/XTLS/Xray-core/issues/5088#issuecomment-3263093341

app/proxyman/outbound/handler.go

@@ -108,6 +108,8 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou
 	}
 	h.proxyConfig = proxyConfig
 
+	ctx = session.ContextWithHandler(ctx, h)
+
 	rawProxyHandler, err := common.CreateObject(ctx, proxyConfig)
 	if err != nil {
 		return nil, err