feat(forms): add isolated Form A consultation testing

www/tools/form-a-preview.test.mjs

@@ -49,7 +49,8 @@ test('Jotform handoff preserves AIA form tokens and accessible native controls',
   const css = read('integrations/jotform/aia-form-a.css');
   const guide = read('integrations/jotform/README.md');
   for (const value of ['#ffbd59', '#ff914d', '#254080', '#fcf9f5', '#edeef3']) assert.match(css, new RegExp(value));
-  assert.match(css, /#form \.form-submit-button/);
+  assert.match(css, /\.form-all \.form-submit-button/);
+  assert.match(css, /\.form-all button\[type="submit"\]/);
   assert.match(css, /:focus-visible/);
   assert.doesNotMatch(css, /https?:\/\/|@import|url\(/i);
   assert.match(guide, /formContext/);