Add explicit CRDT edit contracts and structured query values

test/query-contracts.test.ts

@@ -34,7 +34,7 @@ test("queryable fields need one authoritative getter and supported values", () =
   assert.equal(compile('queryable value title id "title" : string { get id "title:get"; }').ok, true);
   for (const member of [
     'queryable value title id "title" : string { set id "title:set"; }',
-    'queryable value title id "title" : list<string> { get id "title:get"; }',
+    'queryable value title id "title" : list<unit> { get id "title:get"; }',
     'queryable value title id "title" : string { get id "title:get"; get id "other:get"; }',
   ])
     assert.equal(compile(member).ok, false, member);