Herdr has been my daily driver for about a month now. It cant auto-name sessions like every other multiplexer though. That one stupid feature is so valuable I'm considering moving on.
They have a plugin ecosystem, one of which is auto-named sessions. I imagine implementing your own wouldn't be too difficult either, if that one doesn't meet your standards of trust.
You could even just make a harness hook in Claude or Codex after installing the Herdr skill, telling the LLM itself to update names on start.
Heck, I think this works via the plugin system?
Where are you looking to move to? I agree that it seems like an obvious feature to be missing.