Lumina v1.0.1 - Cozy Space Theme

🐛 Bug Fixes
Un-onboarded User AttributeError: Fixed a backend crash in /chat where trying to check an un-onboarded user resulted in an AttributeError on user_res.
Login Text Contrast: Refined colors to dynamically adapt between light and dark themes to solve readability issues against high-contrast backgrounds.
OAuth Web Client ID: Resolved signature issues and configured the correct SHA credentials for Android Google Sign-In with Supabase.