Introduce a shared PageAuthGate (header + tile skeleton) and adopt it on the
top-level pages that flashed a lone centered spinner while auth resolved:
mood, measurements, achievements, illness, mental-wellbeing, checkups, cycle,
and the labs / medications / custom-metrics / illness detail routes. The
auth-resolving frame now reserves the page geometry instead of snapping in
after a spinner.
Move the preventive-care surface from the German-derived slug /vorsorge to
the English /checkups and make the feature read consistently across locales.
The route directory, the nav entry, the dashboard card link, and the
onboarding tour step now point at /checkups. A permanent redirect keeps old
bookmarks, the PWA's cached navigation, and push deep-links resolving.
Display label is now "Checkups" in English and the equivalent term in
Spanish (Revisiones), French (Examens), Italian (Controlli), and Polish
(Badania); German keeps "Vorsorge". The internal id stays "vorsorge" so
saved layouts, module-order preferences, and tour state keep resolving
without a data migration.
Marc-André Bombeck