Invalid branch name: "#8982-bugfix". Branch names must start with an alphanumeric character and contain only alphanumeric characters, forward slashes, hyphens, underscores, or periods.

[cnordvik]

Describe the bug
All our branches include or start with the hash sign followed by the ticket number

To Reproduce
Create a branch with #123 in it and assign Claude Code

Expected behavior
Worked fine before the latest release. This PR broke it: #736