feat: status api

internal/repo/repo.go

@@ -12,6 +12,10 @@ func NewStorageError(err error) error {
 	return e.NewRepoError(err)
 }
 
+func NewGameNotInitializedError() error {
+	return e.NewGameNotInitializedError()
+}
+
 func NewStateError(msg string) error {
 	return e.NewGameStateError(msg)
 }
@@ -21,6 +25,7 @@ type Storage interface {
 	Exists(string) (bool, error)
 	Write(string, encoding.BinaryMarshaler) error
 	Read(string, encoding.BinaryUnmarshaler) error
+	ReadSafe(string, encoding.BinaryUnmarshaler) error
 }
 
 type repo struct {