Show both books on About with matching covers and downloads.

The section mixed Structure Before Crisis art with the Community Rules booklet; pairing each title to its own cover and PDF, and cropping the Figma cover padding, keeps the two cards consistent.

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

lib/assetUtils.ts

@@ -97,11 +97,16 @@ export function sectionNumberPath(n: 1 | 2 | 3): string {
   return `assets/marketing/section-number-${n}.svg`;
 }
 
-/** Downloadable governance booklet PDF (About / Sections / Book). */
+/** Community Rules (2021) booklet PDF (About / Sections / Book). */
 export function governanceBookletPath(): string {
   return "assets/marketing/governance-booklet.pdf";
 }
 
+/** Structure Before Crisis (2025) PDF (About / Sections / Book). */
+export function structureBeforeCrisisPath(): string {
+  return "assets/marketing/structure-before-crisis.pdf";
+}
+
 /** Home feature grid panel art in `public/assets/marketing/`. */
 export type FeaturePanelKey = "support" | "exercises" | "guidance" | "tools";
 
@@ -245,8 +250,11 @@ export const ASSETS = {
   /** Quote block default avatar. */
   QUOTE_AVATAR: "assets/marketing/quote-avatar.svg",
 
-  /** Sections / Book cover (Figma **22137:891197**). */
-  COMMUNITYRULES_COVER: "assets/marketing/communityrules-cover.svg",
+  /** Structure Before Crisis cover (Figma **22137:891197**; file name is historical). */
+  STRUCTURE_BEFORE_CRISIS_COVER: "assets/marketing/communityrules-cover.svg",
+
+  /** Community Rules (2021) cover. */
+  COMMUNITY_RULES_COVER: "assets/marketing/community-rules-cover.png",
 
   // Marketing
   HERO_IMAGE: "assets/marketing/hero-image.png",