[Repo Assist] fix(rust-guard): remove write-only owner-type cache and simplify get_issue_author_association#4339

lpcox merged 1 commit intomaingithub/gh-aw-mcpg:mainfrom

repo-assist/fix-issue-4329-backend-dead-code-a21fa17cdef69ab6github/gh-aw-mcpg:repo-assist/fix-issue-4329-backend-dead-code-a21fa17cdef69ab6Copy head branch name to clipboard