from __future__ import annotations from typing import Protocol from packages.domain import ClassificationJob class ClassificationJobRepository(Protocol): def create(self, job: ClassificationJob) -> ClassificationJob: """Persist a classification job and return it.""" def get(self, job_id: str) -> ClassificationJob | None: """Retrieve a classification job by ID.""" def update(self, job: ClassificationJob) -> ClassificationJob: """Update a classification job and return it."""