Welcome to the Hook Productivity Forum, @jasonromney.
could you provide a screenshot and/or a webpage URL of an external link reference causing issues in Roam?
your browser should have no knowledge of https://hookproductivity.com unless you happen to be accessing https://hookproductivity.com in it. To make the example simpler, could you please provide one where the same type of situation occurs with some other website, e.g., creating an external link referring to a Wikipedia page?
I’ve tried Hook in Roam research several times. One thing I notice is that they use # followed by path information. such as https://roamresearch.com/#/app/<username>/page/hZh2X15UI?help where <username> is a username (no angle brackets).
# is a reserved character in RFC 3986 - Uniform Resource Identifier (URI): Generic Syntax. In the RFC, it’s supposed to introduce a fragment. My reading is that the content after the # should be on the same page. But in their case it’s not.
I doubt this is related to the issue you’re seeing, but thought I would mention it.
(I’ve edited my prior entry and will revisit RFC 3986 later.)