feat: add global event listener for mannschaften updates in Navigation component
feat: notify app of mannschaften changes after CSV save and handle visibility changes
refactor: remove unused anlagen page
fix: update CmsMannschaften reference in sportbetrieb page for reactivity
fix: enhance authentication token retrieval in passkey API endpoints
feat: implement refresh session and access token generation for Android clients in passkey login
fix: unify token retrieval method across passkey API endpoints
feat: add MediaTypes utility for JSON content type in Android app
feat: create PasskeyRepository for handling passkey authentication and registration in Android app
feat: add validated text field and rich text components for Android UI
feat: implement newsletter subscription and unsubscription screens in Android app
feat: create public pages including Impressum with dynamic content loading
