inboxes can only merge to Todo because tempfiles only have Todo

cmd/edit.go

@@ -158,11 +158,12 @@ func copyTodoToDir(d string, filepaths []string) error {
 		if err != nil {
 			return err
 		}
-		subroot, err := pttodo.NewRootFromFile(inbox)
+		inboxRoot, err := pttodo.NewRootFromFile(inbox)
 		if err != nil {
 			return err
 		}
-		root.MergeIn(subroot)
+		root.MergeIn(pttodo.Root{Todo: inboxRoot.Todo})
+		root.MergeIn(pttodo.Root{Todo: inboxRoot.Scheduled})
 
 		if b, err := yaml.Marshal(root.Todo); err != nil {
 			return err

cmd/testdata/root.yaml

@@ -1,5 +1,8 @@
 todo:
 - root
 - stub
-scheduled: []
+scheduled:
+- todo: abc
+  schedule: "2024-01-01"
+  ts: Thu Nov  9 07:49:59 MST 2023
 done: []