v0.5.4

What's Changed

• tabbrew-tabs skill + serve/run local bridge to the extension by @colevels in #22
• Group tab commands under tabs, scope flags per command by @colevels in #23
• Harden the local bridge: pin Host, write tabs.json 0600 by @colevels in #24
• fix(table): correct display width for spacing marks, unskewing list columns by @colevels in #25
• docs(tabs): suggest .txt for script files instead of .tbrew by @colevels in #26
• docs: sync CLAUDE.md with the current command surface by @colevels in #27
• refactor(help): reorder by value, add per-command help, fit 80 columns by @colevels in #28
• chore(release): v0.5.4 by @colevels in #29

Full Changelog: v0.5.3...v0.5.4