445e7ac290
- Fix token missing issue after email code registration/login - Add last login time update for code-based login - Support email login in addition to username login - Fix password login for code-registered users (allow setting password) - Fix referral code parameter passing from URL hash - Add email column to user management table - Improve profile page layout (align card heights, reorganize layout) - Add i18n support for Register Bonus, Referral Bonus, Code Lock Minutes, Code Max Attempts - Fix billing service add_credits to support reference_id parameter - Update password handling documentation