fix(spec): 18.0 upgrade-guide entries say 18.0 supports fresh installs only - #24661

fix(spec): 18.0 upgrade-guide entries say 18.0 supports fresh installs only#24661

objectstack-fleet[bot] merged 1 commit into

mainobjectstack-ai/objectstack:mainfrom

claude/issue-24637-spec-entries-18-fresh-install-onlyobjectstack-ai/objectstack:claude/issue-24637-spec-entries-18-fresh-install-onlyCopy head branch name to clipboard