Replace <br/> tags with em dashes and strip all other HTML tags
(keeping their text content) across all 25 locale files.
Assisted-by: claude-sonnet-4-6 via Claude Code
Signed-off-by: Xe Iaso <me@xeiaso.net>
Translate the new challenge data missing error message across all
25 supported locales.
Assisted-by: Claude Opus 4.6 via Claude Code
Signed-off-by: Xe Iaso <me@xeiaso.net>
* feat(localization): Add Vietnamese translation
* feat(localization): Add Vietnamese language translation
* feat(localization): Add record to CHANGELOG.md
* feat(localization): Add test case for Vietnamese