Point the About book download at the current Structure Before Crisis PDF instead of the 2021 booklet.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/lib/governanceBooklet.test.ts

@@ -0,0 +1,18 @@
+import { existsSync, readFileSync } from "node:fs";
+import { join } from "node:path";
+import { describe, expect, it } from "vitest";
+import { getAssetPath, governanceBookletPath } from "../../../lib/assetUtils";
+
+describe("governance booklet", () => {
+  it("ships a PDF at the About Book download path", () => {
+    const relative = governanceBookletPath();
+    expect(relative).toBe("assets/marketing/governance-booklet.pdf");
+    expect(getAssetPath(relative)).toBe("/assets/marketing/governance-booklet.pdf");
+
+    const abs = join(process.cwd(), "public", relative);
+    expect(existsSync(abs)).toBe(true);
+
+    const header = readFileSync(abs).subarray(0, 5).toString("latin1");
+    expect(header).toBe("%PDF-");
+  });
+});