- sx_changed: list .sx files changed since a ref with structural summaries - sx_diff_branch: structural diff of all .sx changes vs base ref - sx_blame: git blame for .sx files, optionally focused on a tree path - sx_doc_gen: generate component docs from defcomp/defisland signatures - sx_playwright: run Playwright browser tests with structured results Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>