Add a Voice & Style section to the docs authoring guide, then bring every
docs page in line with it: lead with the task, add success signals to
procedures, explain jargon on first use, keep bullet casing consistent,
and link out to Troubleshooting where steps can fail.
Applied across English source and all localized versions (uk, zh-cn, es,
pt-br, ko, pl).
Add a new tunnels page with verified, up-to-date CLI examples
Remove deprecated `--daemon` usage and clarify QR/password behavior
Add docs validation tooling and docs-source workflow for packaging and sync