Export actual_ops_slug from setup_ops_repo via _ACTUAL_OPS_SLUG global,
then update ops_repo in the TOML in-place using Python re.sub after TOML
creation or detection. Falls back to inserting after the repo line if the
key is missing. This prevents duplicate TOML keys on repeated init runs.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>