diff --git a/ui/litellm-dashboard/e2e_tests/tests/agents/create-session.spec.ts b/ui/litellm-dashboard/e2e_tests/tests/agents/create-session.spec.ts
new file mode 100644
index 00000000000..cf3d563ecda
--- /dev/null
+++ b/ui/litellm-dashboard/e2e_tests/tests/agents/create-session.spec.ts
@@ -0,0 +1,29 @@
+/**
+ * LIT-2881 Validation #3 — Create a Session under an Agent.
+ *
+ * From /agents/{aid}, click + New Session, fill repo URL; submit redirects
+ * to /agents/{aid}/sessions/{new-sid}; status pill = provisioning.
+ */
+import { test, expect } from "@playwright/test";
+import { AGENTS_DEV_URL, authenticateAgentsPage } from "./_helpers";
+
+test("create new session redirects to three-pane with provisioning pill", async ({ page }) => {
+  await authenticateAgentsPage(page);
+  await page.goto(`${AGENTS_DEV_URL}/agents/agt_01`);
+  await page.getByTestId("agent-detail-new-session-btn").click();
+
+  const dialog = page.getByTestId("new-session-dialog");
+  await expect(dialog).toBeVisible();
+  await page.getByTestId("new-session-repo-url").locator("input").fill("https://github.com/example/new-repo");
+  await page.getByRole("button", { name: "Create session" }).click();
+
+  // Redirects into the new three-pane URL
+  await page.waitForURL(/\/agents\/agt_01\/sessions\/ses_/, { timeout: 5_000 });
+  await expect(page.getByTestId("three-pane")).toBeVisible();
+
+  // Status pill = provisioning
+  const sessionId = new URL(page.url()).pathname.split("/").pop()!;
+  const row = page.getByTestId(`session-row-${sessionId}`);
+  await expect(row).toBeVisible();
+  await expect(row.getByText("provisioning")).toBeVisible();
+});