v0.0.10

i18n(users): localize the username placeholder per language

It was hardcoded to "jane.doe" in every locale; now shows a localized hint
(zh 例如 zhangsan, en e.g. jane.doe, etc.). Update the users test accordingly.

Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com

Full Changelog: v0.0.9...v0.0.10