Implement FastAPI Temporal MVP pipeline

app/infra/db/models/review_task.py

@@ -0,0 +1,31 @@
+"""Review task ORM model."""
+
+from sqlalchemy import Enum, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.domain.enums import ReviewDecision, ReviewTaskStatus
+from app.infra.db.base import Base, TimestampMixin
+
+
+class ReviewTaskORM(TimestampMixin, Base):
+    """Persisted review task."""
+
+    __tablename__ = "review_tasks"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    order_id: Mapped[int] = mapped_column(ForeignKey("orders.id"), nullable=False, index=True)
+    status: Mapped[ReviewTaskStatus] = mapped_column(
+        Enum(ReviewTaskStatus, native_enum=False),
+        nullable=False,
+        default=ReviewTaskStatus.PENDING,
+    )
+    decision: Mapped[ReviewDecision | None] = mapped_column(
+        Enum(ReviewDecision, native_enum=False),
+        nullable=True,
+    )
+    reviewer_id: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    selected_asset_id: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    comment: Mapped[str | None] = mapped_column(Text, nullable=True)
+
+    order = relationship("OrderORM", back_populates="review_tasks")
+