♿ separate chapter numbers and titles as export options

src/main/ipcHandlers.ts

@@ -370,6 +370,7 @@ export function registerIpcHandlers(): void {
 
   ipcMain.handle('export:projectPdf', async (event, opts: {
     romanNumerals: boolean
+    showChapterTitle: boolean
     includeCover: boolean
     includeFrontMatter: boolean
     pageFrom: number | null
@@ -507,21 +508,35 @@ export function registerIpcHandlers(): void {
         })
       }
 
-      let chapterTitle: string
+      const fileName = doc.relativePath.split('/').pop()?.replace(/\.md$/, '') ?? doc.relativePath
       let headerTitle: string
-      if (!isFrontMatter && opts.romanNumerals) {
+      let headingHtml: string
+      if (!isFrontMatter) {
         chapterIndex++
-        chapterTitle = toRoman(chapterIndex)
+        const numeral = opts.romanNumerals ? toRoman(chapterIndex) : null
-        headerTitle = toRoman(chapterIndex)
+        const title = opts.showChapterTitle ? fileName : null
+        const safe = (s: string): string => s.replace(/&/g, '&amp;').replace(/</g, '&lt;')
+        if (numeral && title) {
+          headingHtml = `<h2>${safe(numeral)}</h2><h3>${safe(title)}</h3>`
+          headerTitle = `${numeral} — ${title}`
+        } else if (numeral) {
+          headingHtml = `<h2>${safe(numeral)}</h2>`
+          headerTitle = numeral
+        } else if (title) {
+          headingHtml = `<h2>${safe(title)}</h2>`
+          headerTitle = title
+        } else {
+          headingHtml = ''
+          headerTitle = fileName
+        }
       } else {
-        chapterTitle = doc.relativePath.split('/').pop()?.replace(/\.md$/, '') ?? doc.relativePath
+        headingHtml = `<h2>${fileName.replace(/&/g, '&amp;').replace(/</g, '&lt;')}</h2>`
-        headerTitle = chapterTitle
+        headerTitle = fileName
       }
-      const safeChapterTitle = chapterTitle.replace(/&/g, '&amp;').replace(/</g, '&lt;')
       const contentHtml = await marked(normalize(doc.content))
       sections.push({
         title: headerTitle,
-        bodyHtml: `<div class="chapter"><h2>${safeChapterTitle}</h2>${contentHtml}</div>`
+        bodyHtml: `<div class="chapter">${headingHtml}${contentHtml}</div>`
       })
     }
 

src/renderer/components/Export/ExportDialog.tsx

@@ -3,21 +3,34 @@ import './Export.css'
 
 export interface ExportOptions {
   romanNumerals: boolean
+  showChapterTitle: boolean
   includeCover: boolean
   includeFrontMatter: boolean
   pageFrom: number | null
   pageTo: number | null
 }
 
+const STORAGE_KEY = 'exportDialogPrefs'
+
+function loadPrefs(): Pick<ExportOptions, 'romanNumerals' | 'showChapterTitle' | 'includeCover' | 'includeFrontMatter'> {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY)
+    if (raw) return JSON.parse(raw)
+  } catch { /* ignore */ }
+  return { romanNumerals: true, showChapterTitle: false, includeCover: true, includeFrontMatter: true }
+}
+
 interface Props {
   onClose: () => void
   onExport: (opts: ExportOptions) => void
 }
 
 export function ExportDialog({ onClose, onExport }: Props): JSX.Element {
-  const [romanNumerals, setRomanNumerals] = useState(true)
+  const prefs = loadPrefs()
-  const [includeCover, setIncludeCover] = useState(true)
+  const [romanNumerals, setRomanNumerals] = useState(prefs.romanNumerals)
-  const [includeFrontMatter, setIncludeFrontMatter] = useState(true)
+  const [showChapterTitle, setShowChapterTitle] = useState(prefs.showChapterTitle)
+  const [includeCover, setIncludeCover] = useState(prefs.includeCover)
+  const [includeFrontMatter, setIncludeFrontMatter] = useState(prefs.includeFrontMatter)
   const [pageFrom, setPageFrom] = useState('')
   const [pageTo, setPageTo] = useState('')
   const overlayRef = useRef<HTMLDivElement>(null)
@@ -34,10 +47,15 @@ export function ExportDialog({ onClose, onExport }: Props): JSX.Element {
     if (e.target === overlayRef.current) onClose()
   }
 
+  const savePrefs = (patch: Partial<typeof prefs>): void => {
+    const next = { romanNumerals, showChapterTitle, includeCover, includeFrontMatter, ...patch }
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(next))
+  }
+
   const handleExport = (): void => {
     const from = pageFrom.trim() ? parseInt(pageFrom, 10) : null
     const to = pageTo.trim() ? parseInt(pageTo, 10) : null
-    onExport({ romanNumerals, includeCover, includeFrontMatter, pageFrom: from, pageTo: to })
+    onExport({ romanNumerals, showChapterTitle, includeCover, includeFrontMatter, pageFrom: from, pageTo: to })
   }
 
   const pageRangeValid = (): boolean => {
@@ -63,17 +81,27 @@ export function ExportDialog({ onClose, onExport }: Props): JSX.Element {
               <input
                 type="checkbox"
                 checked={romanNumerals}
-                onChange={e => setRomanNumerals(e.target.checked)}
+                onChange={e => { setRomanNumerals(e.target.checked); savePrefs({ romanNumerals: e.target.checked }) }}
               />
-              <span className="export-toggle-label">Roman numeral chapter titles</span>
+              <span className="export-toggle-label">Roman numeral chapter numbers</span>
-              <span className="export-toggle-hint">I, II, III… instead of file names</span>
+              <span className="export-toggle-hint">I, II, III… before the chapter heading</span>
+            </label>
+
+            <label className="export-toggle">
+              <input
+                type="checkbox"
+                checked={showChapterTitle}
+                onChange={e => { setShowChapterTitle(e.target.checked); savePrefs({ showChapterTitle: e.target.checked }) }}
+              />
+              <span className="export-toggle-label">Show chapter title</span>
+              <span className="export-toggle-hint">File name as the chapter heading</span>
             </label>
 
             <label className="export-toggle">
               <input
                 type="checkbox"
                 checked={includeCover}
-                onChange={e => setIncludeCover(e.target.checked)}
+                onChange={e => { setIncludeCover(e.target.checked); savePrefs({ includeCover: e.target.checked }) }}
               />
               <span className="export-toggle-label">Include cover page</span>
               <span className="export-toggle-hint">Author contact block and word count</span>
@@ -83,7 +111,7 @@ export function ExportDialog({ onClose, onExport }: Props): JSX.Element {
               <input
                 type="checkbox"
                 checked={includeFrontMatter}
-                onChange={e => setIncludeFrontMatter(e.target.checked)}
+                onChange={e => { setIncludeFrontMatter(e.target.checked); savePrefs({ includeFrontMatter: e.target.checked }) }}
               />
               <span className="export-toggle-label">Include front &amp; back matter</span>
               <span className="export-toggle-hint">Prologue, Content Warning, Epilogue</span>