feat: deal attributes with select and options

models/attribute.py

@@ -8,8 +8,7 @@ from models.base import BaseModel
 from models.mixins import IdMixin, SoftDeleteMixin
 
 if TYPE_CHECKING:
-    from models import Module, Deal
-
+    from models import Module, Deal, AttributeSelect
 
 module_attribute = Table(
     "module_attribute",
@@ -51,6 +50,12 @@ class Attribute(BaseModel, IdMixin, SoftDeleteMixin):
         lazy="joined",
     )
 
+    select_id: Mapped[Optional[int]] = mapped_column(ForeignKey("attribute_selects.id"))
+    select: Mapped[Optional["AttributeSelect"]] = relationship(
+        back_populates="attributes",
+        lazy="joined",
+    )
+
     modules: Mapped[list["Module"]] = relationship(
         secondary=module_attribute,
         back_populates="attributes",