Add associative map constraints and range refinement

site/decodal-site/src/scripts/playground-runtime.test.mjs

@@ -15,6 +15,13 @@ test('injects one JavaScript host environment into evaluation and completion', a
     globals: {
       App: {
         enabled: { $decodal: 'Bool', default: true },
+        Services: {
+          $decodal: 'Map',
+          value: {
+            port: { $decodal: 'Int' },
+            active: { $decodal: 'Bool', default: true },
+          },
+        },
       },
     },
     loadImport(_currentKey, specifier) {
@@ -39,10 +46,11 @@ test('injects one JavaScript host environment into evaluation and completion', a
   const evaluated = JSON.parse(service.evaluate(
     'main.dcdl',
     'main.dcdl',
-    'let s = import "./schema.dcdl"; in { server = s.Server & { port = 8080; }; enabled = App.enabled; post = import "./post.md"; }',
+    'let s = import "./schema.dcdl"; in { server = { port = 8080; } as s.Server; services = { api = { port = 8081; }; } as App.Services; enabled = App.enabled; post = import "./post.md" as { frontmatter = { draft = Bool; }; body = String; }; }',
   ));
   assert.equal(evaluated.ok, true, evaluated.error);
   assert.match(evaluated.output, /"port": 8080/);
+  assert.match(evaluated.output, /"active": true/);
   assert.match(evaluated.output, /"body": "# Hello"/);
 
   const member = JSON.parse(service.complete('main.dcdl', 'App.en', 6, false));