diff --git a/web/e2e/reviews-visual.spec.ts b/web/e2e/reviews-visual.spec.ts
new file mode 100644
index 0000000..9eec487
--- /dev/null
+++ b/web/e2e/reviews-visual.spec.ts
@@ -0,0 +1,97 @@
+import { expect, test, type Page, type Route } from "@playwright/test";
+
+function accessToken() {
+  const payload = Buffer.from(JSON.stringify({ exp: 4102444800 })).toString("base64url");
+  return `test.${payload}.token`;
+}
+
+async function seedAuth(page: Page) {
+  await page.addInitScript((token) => {
+    localStorage.setItem("notelett_auth_user", JSON.stringify({ id: "user-1", email: "user@example.com", name: "Review Tester" }));
+    localStorage.setItem("notelett_access_token", token);
+    localStorage.setItem("notelett_refresh_token", "refresh-token");
+  }, accessToken());
+}
+
+function json(route: Route, body: unknown, status = 200) {
+  return route.fulfill({
+    status,
+    contentType: "application/json",
+    body: JSON.stringify(body),
+  });
+}
+
+function actionDoc(id: string, afterSummary: string, state: string) {
+  return {
+    id,
+    productId: "notelett",
+    workspaceId: "ws-1",
+    noteId: "note-1",
+    actorId: "agent-1",
+    actorType: "agent",
+    actionType: "update",
+    state,
+    afterSummary,
+    beforeSummary: "Before text",
+    updatedAt: "2026-05-05T00:00:00.000Z",
+    updatedBy: "agent-1",
+  };
+}
+
+async function mockReviewApis(page: Page) {
+  await page.route("**/api/auth/refresh", (route) =>
+    json(route, { accessToken: accessToken(), refreshToken: "refresh-token" }),
+  );
+  await page.route("**/api/kill-switch**", (route) =>
+    json(route, { disabled: false, message: null }),
+  );
+  await page.route("**/api/**", (route) => {
+    const url = new URL(route.request().url());
+    const path = url.pathname.replace(/^\/api/, "");
+
+    if (path === "/note-agent-actions/pending") {
+      return json(route, {
+        items: [
+          actionDoc("act-1", "Approve release summary", "proposed"),
+          actionDoc("act-2", "Reject stale task", "proposed"),
+        ],
+        total: 2,
+      });
+    }
+    if (path === "/note-agent-actions") {
+      return json(route, {
+        items: [actionDoc("act-3", "Previous review", "approved")],
+        total: 1,
+      });
+    }
+    if (path === "/broadcasts/active" || path === "/surveys/active") {
+      return json(route, { items: [], total: 0 });
+    }
+
+    return json(route, {});
+  });
+}
+
+test.beforeEach(async ({ page }) => {
+  await seedAuth(page);
+  await mockReviewApis(page);
+});
+
+for (const viewport of [
+  { name: "desktop", width: 1440, height: 1000 },
+  { name: "mobile", width: 390, height: 900 },
+]) {
+  test(`reviews visual smoke - ${viewport.name}`, async ({ page }) => {
+    await page.setViewportSize({ width: viewport.width, height: viewport.height });
+    await page.goto("/reviews");
+    await expect(page.getByRole("heading", { name: "Agent review" })).toBeVisible();
+    await expect(page.getByRole("heading", { name: "Approval queue" })).toBeVisible();
+    await expect(page.getByRole("button", { name: /Approve release summary/ })).toBeVisible();
+
+    const overflow = await page.evaluate(() => document.documentElement.scrollWidth > document.documentElement.clientWidth);
+    expect(overflow).toBe(false);
+
+    const screenshot = await page.screenshot({ fullPage: true });
+    expect(screenshot.byteLength).toBeGreaterThan(10_000);
+  });
+}
diff --git a/web/src/app/(app)/reviews/page.tsx b/web/src/app/(app)/reviews/page.tsx
index aac6b99..21b6995 100644
--- a/web/src/app/(app)/reviews/page.tsx
+++ b/web/src/app/(app)/reviews/page.tsx
@@ -274,7 +274,7 @@ export default function ReviewsPage() {
       description="Approval queue, proposal comparison, and audit-oriented review surfaces for agent-mediated edits."
       actions={<Badge>Operator workflow shell</Badge>}
     >
-      <section style={{ display: "grid", gridTemplateColumns: "minmax(260px, 320px) minmax(0, 1fr)", gap: "var(--nl-space-4)" }}>
+      <section className="review-workflow-grid">
         <ReviewWorkflowNav workflows={operatorWorkflows} />
 
         <Panel>
diff --git a/web/src/app/globals.css b/web/src/app/globals.css
index cf54e43..9013571 100644
--- a/web/src/app/globals.css
+++ b/web/src/app/globals.css
@@ -136,6 +136,16 @@ button {
   gap: var(--nl-space-6);
 }
 
+.review-workflow-grid {
+  display: grid;
+  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
+  gap: var(--nl-space-4);
+}
+
+.review-workflow-grid > * {
+  min-width: 0;
+}
+
 @media (max-width: 980px) {
   .app-shell {
     padding-left: 0;
@@ -151,7 +161,8 @@ button {
   }
 
   .note-detail-grid,
-  .workspace-layout-grid {
+  .workspace-layout-grid,
+  .review-workflow-grid {
     grid-template-columns: minmax(0, 1fr) !important;
   }
 }