feat: почти рабочий вариант session

src/mind_reader/domain/common.py

@@ -1,8 +1,8 @@
 from dataclasses import dataclass
-from enum import Enum, auto
+from enum import Enum, StrEnum, auto
 
 
-class PlayerRole(Enum):
+class PlayerRole(StrEnum):
     SETTER = auto()
     GUESSER = auto()