According to your article, "Session support is introduced by TSessionHTTPModule". However, TFPHTMLModule descends from TCustomHTMLModule. TCustomHTMLModule descends from TCustomHTTPModule. Then, there is no session support for
Another point: using
TFPHTMLModule, request are handled by the module itself
through the OnGetContent event, not by the actions. In the other words,
the request never is transferred to the actions.