💄 hide running headings on title pages

src/main/ipcHandlers.ts

@@ -624,26 +624,28 @@ export function registerIpcHandlers(): void {
     const mergedPdf = await PDFDocument.create()
     const headerStandardFont = opts.font === 'courier' ? StandardFonts.Courier : StandardFonts.TimesRoman
     const headerFont = await mergedPdf.embedFont(headerStandardFont)
-    // pageOwners[i] tracks the section title and whether the page is a cover page
-    const pageOwners: { title: string; isCover: boolean }[] = []
+    // pageOwners[i] tracks the section title, whether the page is a cover page,
+    // and whether it is the first page of its section (chapter/part opener).
+    const pageOwners: { title: string; isCover: boolean; isSectionOpener: boolean }[] = []
 
     for (const { title, buffer, isCover } of sectionPdfs) {
       const srcPdf = await PDFDocument.load(buffer)
       const copied = await mergedPdf.copyPages(srcPdf, srcPdf.getPageIndices())
-      for (const page of copied) {
+      for (const [pageIdx, page] of copied.entries()) {
         mergedPdf.addPage(page)
-        pageOwners.push({ title, isCover })
+        pageOwners.push({ title, isCover, isSectionOpener: pageIdx === 0 })
       }
     }
 
-    // Stamp the running header on body pages only (cover page gets no header).
+    // Stamp the running header on body pages only (cover page and section opener
+    // pages get no header — opener pages show the chapter/part title instead).
     // Page numbers count from 1 starting with the first non-cover page.
     const allPages = mergedPdf.getPages()
     let bodyPageNum = 0
     for (let i = 0; i < allPages.length; i++) {
       if (pageOwners[i].isCover) continue   // no header/number on cover page
       bodyPageNum++
-      if (bodyPageNum === 1) continue        // no running header on first body page
+      if (pageOwners[i].isSectionOpener) continue  // no running header on chapter/part opener pages
       const page = allPages[i]
       const { width, height } = page.getSize()
       const chapterUpper = pageOwners[i].title.toUpperCase()