Brand name uses capital R in user-facing text — extension UI strings,
CLI clap help / descriptions / error prose, markdown docs. Lowercase
preserved for the binary command, crate names, npm package, file
paths, env vars, and code identifiers.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Plan 3A: backup & restore — drives the feature branch landing in
the next commit (merge of feature/backup-restore).
Pre-v0.3.0 audit checklist: manual smoke-test list for the v0.2.x
audit-pass commits (TOTP edit, history, detach, status, generator
defaults, vault-tab parity, sync button) — to walk through before
the v0.3.0 tag.
