> I can’t link to a Bluesky post. I can’t use Bluesky from the browser.
What do you mean? Both of these things are trivial.
Here is a link to my most recent post on Bluesky: https://bsky.app/profile/steveklabnik.com/post/3lztkahefs225
You can sign into bsky.app (or deer.social, or anisota.net, or...) in your browser and post just fine.