feat: modules and module-editor pages

models/deal.py

@@ -7,7 +7,14 @@ from models.base import BaseModel
 from models.mixins import SoftDeleteMixin, CreatedAtMixin, IdMixin
 
 if TYPE_CHECKING:
-    from models import Status, Board, DealStatusHistory, DealGroup, DealTag
+    from models import (
+        Status,
+        Board,
+        DealStatusHistory,
+        DealGroup,
+        DealTag,
+        AttributeValue,
+    )
     from modules.clients.models import Client
 
 
@@ -49,6 +56,10 @@ class Deal(BaseModel, IdMixin, SoftDeleteMixin, CreatedAtMixin):
         secondaryjoin="and_(DealTag.id == deals_deal_tags.c.deal_tag_id, DealTag.is_deleted == False)",
     )
 
+    attributes_values: Mapped[list["AttributeValue"]] = relationship(
+        back_populates="deal",
+    )
+
     # module client
     client_id: Mapped[Optional[int]] = mapped_column(
         ForeignKey("clients.id", ondelete="CASCADE"),