Path.resolve() follows the /tmp -> /private/tmp symlink on macOS, so
str(path).startswith("/tmp/") is always False for temp-dir paths.
The "Accept Edits" (workspace_session) mode silently refused to
auto-approve every /tmp write on macOS, breaking the documented
behaviour and making the existing test fail on this platform.
Fix: keep the raw expanded path (pre-resolve) for the /tmp prefix
check and continue using the resolved form only for the cwd
relative_to() call where symlink resolution is correct behaviour.