add user management functionality with OTP verification and consent handling, DI introduced

internal/api/user/domain/user_domain.go

@@ -0,0 +1,27 @@
+package domain
+
+import (
+	"context"
+
+	db "git.logidex.ru/fakz9/logidex-id/internal/db/generated"
+)
+
+type User struct {
+	Uuid        string `json:"uuid"`
+	PhoneNumber string `json:"phone_number"`
+}
+
+type UserRepository interface {
+	GetUserByPhoneNumber(ctx context.Context, phoneNumber string) (*db.User, error)
+	GetUserByUuid(ctx context.Context, uuid string) (*db.User, error)
+	CreateUser(ctx context.Context, phoneNumber string) (*db.User, error)
+	VerifyUser(ctx context.Context, uuid string) (*db.User, error)
+}
+
+type ErrUserNotFound struct {
+	PhoneNumber string
+}
+
+func (e ErrUserNotFound) Error() string {
+	return "User not found with phone number: " + e.PhoneNumber
+}