* feat: auto-initialize git repo on Getting Started vault creation When a Getting Started vault is created, automatically run git init, stage all sample files, and create an initial commit so the vault starts with a clean git history from the very first moment. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * style: fix rustfmt formatting in mcp.rs Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> --------- Co-authored-by: Test <test@test.com> Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>