Correct WebGL dropcap texture layout

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-resize-prime';
+import { calculateProceduralBookThickness, snapProceduralPageCount } from './procedural-book-model.js?v=20260607-webgl-typography-a';
 
 export const BOOK_TEXTURE_WIDTH = 3072;
 

public/js/book-pagination-module.js

@@ -264,7 +264,8 @@ class BookPaginationModule extends BaseModule {
         const inkRight = Number.isFinite(metrics.actualBoundingBoxRight) && metrics.actualBoundingBoxRight > 0
             ? metrics.actualBoundingBoxRight
             : (metrics.width || 0);
-        return Math.max(inkRight, lineHeightPx * 1.08) + this.measureNormalTextGap(fontPx);
+        const advanceWidth = metrics.width || 0;
+        return Math.max(inkRight, advanceWidth, lineHeightPx * 1.08) + this.measureNormalTextGap(fontPx);
     }
 
     measureNormalTextGap(fontPx) {
@@ -355,8 +356,6 @@ class BookPaginationModule extends BaseModule {
                 fragments.push(node.value || '');
             } else if (node.type === 'glue' && node.width > 0) {
                 fragments.push(' ');
-            } else if (node.type === 'penalty' && node.penalty === 100) {
-                fragments.push('|');
             }
         }
         return fragments.join('').replace(/\s+/g, ' ').trimStart();

public/js/loader.js

@@ -24,7 +24,7 @@ const ModuleState = {
     ERROR: 'ERROR'
 };
 
-const MODULE_CACHE_BUSTER = '20260607-webgl-resize-prime';
+const MODULE_CACHE_BUSTER = '20260607-webgl-typography-a';
 window.MODULE_CACHE_BUSTER = MODULE_CACHE_BUSTER;
 
 /**

public/js/webgl-book-lab.js

@@ -4,7 +4,7 @@ import { RenderPass } from 'https://esm.sh/three@0.165.0/examples/jsm/postproces
 import { SSAOPass } from 'https://esm.sh/three@0.165.0/examples/jsm/postprocessing/SSAOPass.js';
 import { SMAAPass } from 'https://esm.sh/three@0.165.0/examples/jsm/postprocessing/SMAAPass.js';
 import { OutputPass } from 'https://esm.sh/three@0.165.0/examples/jsm/postprocessing/OutputPass.js';
-import { PROCEDURAL_BOOK, createProceduralBookModel, snapProceduralPageCount } from './procedural-book-model.js?v=20260607-webgl-resize-prime';
+import { PROCEDURAL_BOOK, createProceduralBookModel, snapProceduralPageCount } from './procedural-book-model.js?v=20260607-webgl-typography-a';
 
 const canvas = document.getElementById('scene');
 canvas.style.cursor = 'grab';

scripts/check-webgl-book-lab.js

@@ -106,6 +106,9 @@ const checks = [
     ['texture renderer records prepare draw publish and start reveal timing', /markPipelineTiming\('prepareRevealBlock:start'/.test(textureRendererSource) && /markPipelineTiming\('drawSpread:start'/.test(textureRendererSource) && /markPipelineTiming\('publishSpread'/.test(textureRendererSource) && /markPipelineTiming\('startPreparedRevealAnimation'/.test(textureRendererSource)],
     ['texture renderer diagnostics include reveal word counts', /wordCounts/.test(textureRendererSource) && /revealWords/.test(textureRendererSource) && /wordRects/.test(textureRendererSource)],
     ['texture renderer does not draw immediate non-pending sides during pending reveal preparation', !/immediateSides/.test(textureRendererSource) && !/this\.drawSpread\(this\.currentSpread, immediateSides\)/.test(textureRendererSource)],
+    ['drop-cap remaining text does not reinsert discretionary hyphen markers', /extractRemainingLayoutText/.test(bookPaginationSource) && !bookPaginationSource.includes("fragments.push('|')")],
+    ['drop-cap reservation keeps a normal text gap beside the initial', /measureDropCapReservation/.test(bookPaginationSource) && /measureNormalTextGap\(fontPx\)/.test(bookPaginationSource)],
+    ['drop-cap reservation uses both ink bounds and font advance width', /const advanceWidth = metrics\.width \|\| 0/.test(bookPaginationSource) && /Math\.max\(inkRight, advanceWidth, lineHeightPx \* 1\.08\)/.test(bookPaginationSource)],
     ['webgl scene avoids duplicate initial texture publish', !/this\.triggerTextureRefresh\(\)/.test(methodBody(webglSceneSource, 'initializeScene'))],
     ['webgl scene does not republish 3D page textures from DOM refresh events', !/addEventListener\(document, 'story:turn-start', this\.triggerTextureRefresh\)/.test(webglSceneSource) && !/addEventListener\(document, 'story:turn-complete', this\.triggerTextureRefresh\)/.test(webglSceneSource) && !/addEventListener\(document, 'story:history-updated', this\.triggerTextureRefresh\)/.test(webglSceneSource) && !/addEventListener\(document, 'input', this\.triggerTextureRefresh/.test(webglSceneSource) && !/addEventListener\(document, 'change', this\.triggerTextureRefresh/.test(webglSceneSource)],
     ['webgl scene adoptPageContent does not republish 3D page textures', !/triggerTextureRefresh/.test(methodBody(webglSceneSource, 'adoptPageContent'))]