Checkpoint WebGL book reveal optimization

public/js/book-page-format-module.js

@@ -3,7 +3,7 @@
  * Defines the canonical page geometry used by the WebGL book renderer.
  */
 import { BaseModule } from './base-module.js';
-import { calculateProceduralBookThickness, snapProceduralPageCount } from './procedural-book-model.js?v=20260607-webgl-typography-a';
+import { calculateProceduralBookThickness, snapProceduralPageCount } from './procedural-book-model.js?v=20260608-webgl-mask-timing-c';
 
 export const BOOK_TEXTURE_WIDTH = 3072;
 
@@ -24,9 +24,9 @@ class BookPageFormatModule extends BaseModule {
                 innerMinIn: 0.48,
                 innerMaxIn: 0.74,
                 innerThicknessFactor: 0.32,
-                outerBaseIn: 0.36,
-                outerThicknessFactor: 0.02,
-                outerMaxIn: 0.42
+                outerBaseIn: 0.27,
+                outerThicknessFactor: 0.015,
+                outerMaxIn: 0.315
             }),
             typography: Object.freeze({
                 fontFamily: '"EB Garamond", "EB Garamond 12", serif',