Some settings are not inherited at the chat block or cell level which should be

[rhennigan]

For example, "ChatHistoryLength" should be settable at the chat block level, but this doesn't work as expected:

CreateChatNotebook @ {
    Cell[ "", "ChatDelimiter", TaggingRules -> <| "ChatNotebookSettings" -> <| "ChatHistoryLength" -> 1 |> |> ],
    Cell[ "This should not be included", "Text" ],
    Cell[ "Test chat, please ignore", "ChatInput" ]
}