added infrastructure code

data_store/interfaces/job_repository_interface.py

@@ -0,0 +1,30 @@
+"""Definition of JobRepositoryInterface."""
+
+from uuid import UUID
+from abc import ABC, abstractmethod
+
+from data_store.dto import Job
+
+
+class JobRepositoryInterface(ABC):
+    """JobRepository interface."""
+
+    @abstractmethod
+    def get(self, job_id: UUID) -> Job | None:
+        """Retrieve a Job by its ID."""
+        raise NotImplementedError()
+
+    @abstractmethod
+    def put(self, job: Job) -> None:
+        """Update or create a Job."""
+        raise NotImplementedError()
+
+    @abstractmethod
+    def delete(self, job_id: UUID) -> None:
+        """Delete a Job by its ID."""
+        raise NotImplementedError()
+
+    @abstractmethod
+    def list_all(self) -> list[UUID]:
+        """List all Job IDs in the repository."""
+        raise NotImplementedError()