- LoginPage: call completeRegistration instead of verifyOTP when qrCodeURL exists
- This ensures otp_verified is set to true for users completing OTP setup
- Backend: reorder maxUsers check to allow existing incomplete users to continue
- Backend: return OTP info when login with incomplete OTP setup
- Migrate all store packages from raw database/sql to GORM ORM
- Add PostgreSQL support alongside SQLite
- Move EncryptedString type to crypto package for cleaner architecture
- Add automatic encryption/decryption for sensitive fields (API keys, secrets)
- Fix PostgreSQL AutoMigrate conflicts by skipping existing tables
- Fix duplicate /klines route registration
- Update tests to use GORM database connections
- Add database configuration support in config package