devfront 개발모드 unkown로그인 제거

devfront/tests/devfront-login-guard.spec.ts

@@ -0,0 +1,35 @@
+import { expect, test } from "@playwright/test";
+
+test.describe("DevFront login guard", () => {
+  test("shows the login screen instead of restoring an unknown placeholder session", async ({
+    page,
+  }, testInfo) => {
+    await page.addInitScript(() => {
+      window.localStorage.setItem(
+        "oidc.user:http://localhost:5000/oidc:devfront",
+        JSON.stringify({
+          expires_at: Math.floor(Date.now() / 1000) + 3600,
+          profile: {
+            name: "Unknown User",
+            email: "unknown@example.com",
+          },
+        }),
+      );
+    });
+
+    await page.goto("/clients");
+
+    await expect(
+      page.getByRole("heading", { name: "Baron SSO" }),
+    ).toBeVisible();
+    await expect(
+      page.getByRole("button", { name: "SSO 계정으로 로그인" }),
+    ).toBeVisible();
+    await expect(page.getByText("unknown@example.com")).toHaveCount(0);
+
+    await page.screenshot({
+      path: testInfo.outputPath("login-screen.png"),
+      fullPage: true,
+    });
+  });
+});