first wokring prototype

src/features/campaigns/wizard/steps/ReviewStep.tsx

@@ -0,0 +1,19 @@
+import MetricCard from "../../../../components/MetricCard";
+import Button from "../../../../components/Button";
+
+export default function ReviewStep() {
+  return (
+    <div>
+      <div className="step-intro">
+        <h2>Review setup</h2>
+        <p>Validate the campaign definition before building message drafts.</p>
+      </div>
+      <div className="metric-grid inside">
+        <MetricCard label="Ready" value="—" tone="good" />
+        <MetricCard label="Warnings" value="—" tone="warning" />
+        <MetricCard label="Needs review" value="—" tone="info" />
+      </div>
+      <Button variant="primary">Validate campaign</Button>
+    </div>
+  );
+}