Add new changes to client profile and related files

backend/app/models/__init__.py

@@ -0,0 +1,19 @@
+"""Models package initialization."""
+
+from .user import User
+from .tenant import Tenant
+from .ticket import Ticket
+from .comment import TicketComment
+from .system import System
+from .category import Category
+from .client_profile import ClientProfile
+
+__all__ = [
+    "User",
+    "Tenant", 
+    "Ticket",
+    "TicketComment",
+    "System",
+    "Category",
+    "ClientProfile"
+]