I can drag and drop items into the canvas

I

src/components/workflows/WorkflowsApp.py

@@ -32,3 +32,33 @@ def post(session, _id: str, name: str, tab_boundaries: str):
     f"Entering {Routes.AddWorkflow} with args {debug_session(session)}, {_id=}, {name=}, {tab_boundaries=}")
   instance = InstanceManager.get(session, _id)
   return instance.show_workflow(name, json.loads(tab_boundaries))
+
+
+@rt(Routes.AddComponent)
+def post(session, _id: str, component_type: str, x: int, y: int):
+  logger.debug(
+    f"Entering {Routes.AddComponent} with args {debug_session(session)}, {_id=}, {component_type=}, {x=}, {y=}")
+  instance = InstanceManager.get(session, _id)
+  return instance.add_component(component_type, x, y)
+
+@rt(Routes.MoveComponent)
+def post(session, _id: str, component_id: str, x: int, y: int):
+  logger.debug(
+    f"Entering {Routes.MoveComponent} with args {debug_session(session)}, {_id=}, {component_id=}, {x=}, {y=}")
+  instance = InstanceManager.get(session, _id)
+  return instance.move_component(component_id, x, y)
+
+
+@rt(Routes.DeleteComponent)
+def post(session, _id: str, component_id: str):
+  logger.debug(
+    f"Entering {Routes.DeleteComponent} with args {debug_session(session)}, {_id=}, {component_id=}")
+  instance = InstanceManager.get(session, _id)
+  return instance.delete_component(component_id)
+
+@rt(Routes.AddConnection)
+def post(session, _id: str, from_id: str, to_id: str):
+  logger.debug(
+    f"Entering {Routes.AddConnection} with args {debug_session(session)}, {_id=}, {from_id=}, {to_id=}")
+  instance = InstanceManager.get(session, _id)
+  return instance.add_connection(from_id, to_id)