fix: mvp based

src/application/abstractions/__init__.py

@@ -0,0 +1 @@
+from src.application.abstractions.i_unit_of_work import IUnitOfWork

src/application/abstractions/i_unit_of_work.py

@@ -0,0 +1,19 @@
+from __future__ import annotations
+from typing import Protocol, runtime_checkable
+from src.application.abstractions.repositories import IUserRepository, ISessionRepository
+
+
+@runtime_checkable
+class IUnitOfWork(Protocol):
+    async def __aenter__(self) -> "IUnitOfWork": ...
+    async def __aexit__(self, exc_type, exc_val, exc_tb) -> None: ...
+
+    async def commit(self) -> None: ...
+    async def rollback(self) -> None: ...
+
+    @property
+    def user_repository(self) -> IUserRepository: ...
+
+    @property
+    def session_repository(self) -> ISessionRepository: ...
+