fix(metadata-protocol): fold diffMetaItem's type at the boundary and stop serving a history outage as an empty diff - #8921

fix(metadata-protocol): fold diffMetaItem's type at the boundary and stop serving a history outage as an empty diff#8921

hotlong merged 4 commits into

mainobjectstack-ai/objectstack:mainfrom

claude/issue-8868-diff-verb-fold-and-503objectstack-ai/objectstack:claude/issue-8868-diff-verb-fold-and-503Copy head branch name to clipboard