pr_body.md

What changed

• Added expo-blur for Liquid Glass effect on the Navigation Bar (CapsuleTabBar).
• Fixed 'Maximum update depth exceeded' infinite loop errors in HangoutScreen.jsx and CalorieScreen.jsx caused by conflicting useEffect hooks synchronizing usePersistedState.
• Added dev auth bypassing so that 'r' in terminal automatically keeps the user logged in using dev-mock-token.

Why

Addresses liquid glass UI enhancements and fixes critical rendering infinite loops. closes #122 closes #123

How to test

• Run the app via npx expo start and verify liquid glass nav bar.
• Press r in terminal and ensure auth is persisted.
• Open Myspace, Hangout and Calorie screens and verify no infinite loops in Metro logs.