chore: import upstream snapshot with attribution

showcase/scripts/verify-deploy.drivers.dojo.ts

@@ -0,0 +1,17 @@
+import type { ProbeTarget } from "./verify-deploy";
+import type { ProbeOutcome } from "./verify-deploy.drivers";
+import { probeBaseline } from "./verify-deploy.drivers.baseline";
+
+/**
+ * Feature-level verifier for the `shell-dojo` Next.js service.
+ *
+ * Baseline (this commit): Railway deployment-SUCCESS + HTTP 200 on `/`.
+ * Future driver-specific layer: dojo-DOM assertion + the AG-UI dojo
+ * landing's known network call.
+ */
+export async function probeDojo(target: ProbeTarget): Promise<ProbeOutcome> {
+  return probeBaseline(target, {
+    driverLabel: "dojo",
+    healthcheckPath: "/",
+  });
+}