Commit history for docs
- Harden the editor after review: CSP sandbox, capped bodies, .gitattributes LFS and symlink guards, PAT and sign-out revocation, PR scope and failure handling, hotkey limited to ref pages.4be272d⌁taigrr committed
- Add a sandboxed workspace editor: press . or open /edit/<ref> to edit many files and commit through commitFileChanges with a ref-scoped token.6d67745⌁taigrr committed
