feat: remove Gin and standardize on nethttp

validate/validate.go

@@ -21,7 +21,7 @@ func newValidator() *validator.Validate {
 }
 
 // JSON binds and validates a JSON request body using standard-library HTTP
-// types. It intentionally does not depend on Gin.
+// types. It intentionally does not depend on a network framework.
 func JSON(request *http.Request, value any) error {
 	if request == nil || request.Body == nil {
 		return apierrors.BadRequest("INVALID_BODY", "request body is invalid")