feat(admin): add production error center and refresh CMS dependencies

src/app/admin/devops/cms-errors/page.test.ts

@@ -0,0 +1,32 @@
+import { expect, it, vi } from "vitest";
+
+const mocks = vi.hoisted(() => ({ read: vi.fn(), access: vi.fn() }));
+vi.mock("@/lib/permissions", () => ({
+	getAdminContext: async () => ({
+		session: { user: { rank: 1 } },
+		permissions: {},
+	}),
+	canAccess: mocks.access,
+	PERMS: { DEVOPS_VIEW: "devops.view" },
+}));
+vi.mock("next/navigation", () => ({
+	redirect: () => {
+		throw new Error("redirect");
+	},
+}));
+vi.mock("@/lib/error-monitor", () => ({
+	ErrorStore: class {
+		read = mocks.read;
+	},
+}));
+vi.mock("@/components/link", () => ({ default: () => null }));
+
+import Page from "./page";
+
+it("rejects access before reading diagnostic data", async () => {
+	mocks.access.mockReturnValue(false);
+	await expect(Page({ searchParams: Promise.resolve({}) })).rejects.toThrow(
+		"redirect",
+	);
+	expect(mocks.read).not.toHaveBeenCalled();
+});