refactor: replace standard logging with a centralized loguru configuration and interception handler

refactor: implement stateless Supabase JWT validation to resolve 403 race conditions

feat: implement profile caching and optimize database client initialization.

feat: Adding Parallel Processing and enhance main dashboard, summary and chat styles

feat: implement Supabase token authentication and migrate user management to profiles table

refactor: restructure project into modular src architecture and implement database store layer