dev - #274

...T enum types

...s to avoid legacy IN/OUT enum types

...prior cash days

...nclosed prior cash days"
This reverts commit 5c79594.

- CashRegisterDetailScreen: Kassenbericht button now checks if last
 closed day < yesterday; shows warning modal with earliest unclosed
 day, a 'View last Kassenbericht' shortcut, and 'Go to day close' CTA
- CashRegisterDetailScreen: add 'Các ngày chưa chốt' tab listing every
 unclosed day from earliest to yesterday with DRAFT/open badges, each
 row links to day-close screen; tab auto-selected when unclosed days exist
- DailyCloseScreen: show Kassensturz form for CALCULATED days (not only
 OPEN); redirect to Kassenbericht on successful submit
- kassenbericht-pdf.generator: use effectiveClosingCashCents (matches
 web page), Intl number formatting, stable date parsing, reportNumber
- i18n: add unclosedDaysModal, unclosedDays, tabs.unclosedDays keys
 to de/en/vi locales