docs(arr): fleet consolidated on FrankBook-Pro, VPN egress proven; E2E counts derived from registry

tests/e2e/specs/11-admin.spec.ts

@@ -23,8 +23,13 @@ test("admin panel renders admin-category services", async ({ page }) => {
 
 test("admin open links reach their apps through SSO", async ({ page }) => {
   test.setTimeout(240_000);
+  // Expected link count comes from the live registry (admin showLink=true
+  // entries, now including the *arr vhosts that use their own auth).
+  const registry: { name: string; category: string; showLink: boolean }[] =
+    await (await page.request.get("/services.json")).json();
+  const expectedAdminLinks = registry.filter((s) => s.category === "admin" && s.showLink).length;
   await page.goto("/admin/");
-  await expect(page.locator("#grid a.open")).toHaveCount(3); // grafana, prometheus, loki
+  await expect(page.locator("#grid a.open")).toHaveCount(expectedAdminLinks);
   const hrefs = await page.locator("#grid a.open").evaluateAll((els) =>
     els.map((el) => (el as HTMLAnchorElement).href),
   );