feat(projects): support members and align rate payloads

apps/projects/services/projects.py

@@ -1,6 +1,8 @@
 from django.db import transaction
+from django.shortcuts import get_object_or_404
 from rest_framework.exceptions import ValidationError, PermissionDenied
 
+from apps.clients.models import Client
 from apps.projects.models import Project, ProjectMembership
 from apps.workspaces.models import WorkspaceMembership
 
@@ -53,6 +55,10 @@ def update_project(project, **kwargs):
         if Project.objects.filter(workspace=project.workspace, name=kwargs["name"], is_deleted=False).exists():
             raise ValidationError({"name": "A project with this name already exists in the workspace."})
 
+    client_id = kwargs.pop("client")
+    client = get_object_or_404(Client, id=client_id, is_deleted=False) if client_id else None
+    kwargs["client"] = client
+
     for field, value in kwargs.items():
         if hasattr(project, field) and getattr(project, field) != value:
             setattr(project, field, value)