fix(auth): align restricted header and logout state

src/app/api/auth/[...nextauth]/options.test.ts

@@ -1,5 +1,36 @@
 import authOptions from "./options";
 
+describe("Keycloak profile mapping", () => {
+  const mapProfile = authOptions.providers[0].profile as (profile: {
+    sub: string;
+    preferred_username: string;
+    name?: string;
+    email?: string;
+    picture?: string;
+  }) => { image?: string | null };
+
+  it("uses the Keycloak picture instead of a shared local avatar", () => {
+    expect(
+      mapProfile({
+        sub: "user-1",
+        preferred_username: "zjb",
+        picture: "https://keycloak.example/avatar/zjb.png",
+      }),
+    ).toMatchObject({
+      image: "https://keycloak.example/avatar/zjb.png",
+    });
+  });
+
+  it("leaves the image empty when Keycloak has no picture", () => {
+    const profile = mapProfile({
+      sub: "user-1",
+      preferred_username: "zjb",
+    });
+
+    expect(profile.image).toBeUndefined();
+  });
+});
+
 describe("NextAuth access token refresh", () => {
   it("forces a Keycloak refresh for an agent credential request", async () => {
     const previousEnv = {