feat: creating chats for cards and clients, sending and deleting text messages

models/auth.py

@@ -10,7 +10,7 @@ from models.work_shifts import WorkShift
 
 if TYPE_CHECKING:
     from models.payroll import PayRate, PaymentRecord
-    from models import Card, CardEmployees
+    from models import Card, CardEmployees, Message
 
 role_permissions = Table(
     'role_permissions',
@@ -138,6 +138,12 @@ class User(BaseModel):
         lazy="noload",
     )
 
+    messages: Mapped[list['Message']] = relationship(
+        'Message',
+        back_populates='crm_sender',
+        lazy='noload',
+    )
+
 
 class InviteCode(BaseModel):
     __tablename__ = 'invite_codes'