igor 64a8ac047f add auto-signup login and localized auth UI ...

- backend: userLogin auto-registers missing users and returns auto_registered
- frontend: add responsive auth page (login + signup flow via userLogin) with light/dark mode and logo
- i18n: wire language switching, add translations for cs/en/es/de
- ui/tooling: add Font Awesome integration

2026-02-13 07:55:37 +01:00

117 KiB

1024x1024px

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