feat(user): implement OTP login, user creation, and profile management

- Added SendOTP method for simulating OTP sending.
- Implemented LoginWithOTP method for user login/registration via OTP, including user creation if not found.
- Added Me method to retrieve current user information.
- Implemented Update method for updating user profile details.
- Added RealName method for real-name verification.
- Implemented GetNotifications method to fetch user notifications.
- Created user_test.go for comprehensive unit tests covering login, profile retrieval, updates, real-name verification, and notifications.
- Updated database models to use appropriate consts for fields like gender, status, and roles.

backend/database/models/tenants.query.gen.go

@@ -30,7 +30,7 @@ func newTenant(db *gorm.DB, opts ...gen.DOOption) tenantQuery {
 	_tenantQuery.Code = field.NewString(tableName, "code")
 	_tenantQuery.UUID = field.NewField(tableName, "uuid")
 	_tenantQuery.Name = field.NewString(tableName, "name")
-	_tenantQuery.Status = field.NewString(tableName, "status")
+	_tenantQuery.Status = field.NewField(tableName, "status")
 	_tenantQuery.Config = field.NewJSONB(tableName, "config")
 	_tenantQuery.ExpiredAt = field.NewTime(tableName, "expired_at")
 	_tenantQuery.CreatedAt = field.NewTime(tableName, "created_at")
@@ -50,7 +50,7 @@ type tenantQuery struct {
 	Code      field.String
 	UUID      field.Field
 	Name      field.String
-	Status    field.String
+	Status    field.Field
 	Config    field.JSONB
 	ExpiredAt field.Time
 	CreatedAt field.Time
@@ -76,7 +76,7 @@ func (t *tenantQuery) updateTableName(table string) *tenantQuery {
 	t.Code = field.NewString(table, "code")
 	t.UUID = field.NewField(table, "uuid")
 	t.Name = field.NewString(table, "name")
-	t.Status = field.NewString(table, "status")
+	t.Status = field.NewField(table, "status")
 	t.Config = field.NewJSONB(table, "config")
 	t.ExpiredAt = field.NewTime(table, "expired_at")
 	t.CreatedAt = field.NewTime(table, "created_at")