test: add full application BDD suite

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

bdd/cucumber.mjs

@@ -0,0 +1,9 @@
+export default {
+  paths: ["features/**/*.feature"],
+  import: ["support/**/*.js", "steps/**/*.js"],
+  format: ["progress", "html:reports/cucumber.html"],
+  formatOptions: {
+    snippetInterface: "async-await",
+  },
+  parallel: 1,
+};