Fix get_user_by_username missing password_hash

Sync db/database.py with email uniqueness check

sync: db/database.py — external articles DB + auto-scraper

fix: mark pre-existing accounts as email_verified on startup migration

feat: add email verification flow with 6-digit code, verification screen, and SMTP email sending

feat: add settings screen, improve sign-up with password strength & privacy policy, add username uniqueness, change password, delete account API endpoints

login page and android studio setup

add logging to database connection for debugging

added feature

Initial commit: news scraper with SQLite storage and GitHub Actions daily automation