Implement FastAPI Temporal MVP pipeline

app/domain/models/review_task.py

@@ -0,0 +1,22 @@
+"""Domain review task model."""
+
+from dataclasses import dataclass
+from datetime import datetime
+
+from app.domain.enums import ReviewDecision, ReviewTaskStatus
+
+
+@dataclass(slots=True)
+class ReviewTask:
+    """Business representation of a review task."""
+
+    id: int
+    order_id: int
+    status: ReviewTaskStatus
+    decision: ReviewDecision | None
+    reviewer_id: int | None
+    selected_asset_id: int | None
+    comment: str | None
+    created_at: datetime
+    updated_at: datetime
+