validate email fields in request

cmd/backend/server/handlers/user_create_handler.go

@@ -10,9 +10,9 @@ import (
 )
 
 type createUserInput struct {
-	Email    string `json:"email"`
-	Password string `json:"password"`
-	Name     string `json:"name"`
+	Email    string `json:"email" validate:"required,email"`
+	Password string `json:"password" validate:"required"`
+	Name     string `json:"name" validate:"required"`
 }
 
 type createUserOutput struct {

cmd/backend/server/handlers/user_login_handler.go

@@ -10,7 +10,7 @@ import (
 )
 
 type loginUserInput struct {
-	Login    string `json:"email"`
+	Login    string `json:"email" validate:"required,email"`
 	Password string `json:"password"`
 }
 

internal/http_server/wrapper.go

@@ -8,7 +8,7 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-type Handler[Input, Output any] func(ctx context.Context, input Input) (Output, error)
+type Handler[Input, Output interface{}] func(ctx context.Context, input Input) (Output, error)
 
 type ResponseOk struct {
 	Status string      `json:"status"`