changes

src-tauri/src/epub.rs

@@ -59,7 +59,7 @@ fn build(files: &[EpubFile]) -> Result<Vec<u8>, String> {
     Ok(zip.finish().map_err(|e| e.to_string())?.into_inner())
 }
 
-#[tauri::command]
+#[tauri::command(async)]
 pub fn package_epub(files: Vec<EpubFile>) -> Result<tauri::ipc::Response, String> {
     build(&files).map(tauri::ipc::Response::new)
 }

src-tauri/src/pdf.rs

@@ -36,7 +36,7 @@ fn compile(source: String, images: &[ImageInput]) -> Result<Vec<u8>, String> {
     typst_pdf::pdf(&document, &Default::default()).map_err(|d| format_source_diagnostics(&d))
 }
 
-#[tauri::command]
+#[tauri::command(async)]
 pub fn compile_pdf(source: String, images: Vec<ImageInput>) -> Result<tauri::ipc::Response, String> {
     compile(source, &images).map(tauri::ipc::Response::new)
 }

src/App.tsx

@@ -5,7 +5,7 @@ import { EditorView } from "./components/EditorView";
 import { useBook } from "./store/useBook";
 import { isDesktop } from "./ipc";
 import { newBook } from "./library";
-import { exportEpub, exportPdf } from "./export/exporters";
+import { runExport } from "./export/run";
 
 function App() {
   const book = useBook((s) => s.book);
@@ -16,8 +16,8 @@ function App() {
     const unlisten = listen<string>("menu-action", (event) => {
       const state = useBook.getState();
       if (event.payload === "new-book") state.openBook(newBook());
-      else if (event.payload === "export-pdf" && state.book) exportPdf(state.book);
+      else if (event.payload === "export-pdf") runExport("pdf");
-      else if (event.payload === "export-epub" && state.book) exportEpub(state.book);
+      else if (event.payload === "export-epub") runExport("epub");
     });
     return () => {
       unlisten.then((stop) => stop());

src/components/EditorView.tsx

@@ -9,18 +9,18 @@ import { Editor } from "../editor/Editor";
 import { FloatingToolbar } from "../editor/FloatingToolbar";
 import { COVER_ID, useBook } from "../store/useBook";
 import { useTheme } from "../store/useTheme";
-import { type Book, bodyNumber, chapterKind } from "../model/book";
+import { bodyNumber, chapterKind } from "../model/book";
 import { saveBook } from "../library";
 import { isDesktop } from "../ipc";
-import { exportEpub, exportPdf } from "../export/exporters";
+import { runExport } from "../export/run";
-
-const DESKTOP_ONLY =
-  'Export runs in the desktop app only — open the window from "pnpm tauri dev" (you are viewing the browser preview).';
 
 export function EditorView() {
   const book = useBook((s) => s.book);
   const activeChapterId = useBook((s) => s.activeChapterId);
   const dirty = useBook((s) => s.dirty);
+  const exporting = useBook((s) => s.exporting);
+  const notice = useBook((s) => s.notice);
+  const setNotice = useBook((s) => s.setNotice);
   const setChapterContent = useBook((s) => s.setChapterContent);
   const setChapterTitle = useBook((s) => s.setChapterTitle);
   const markSaved = useBook((s) => s.markSaved);
@@ -31,7 +31,6 @@ export function EditorView() {
   const [dock, setDock] = useState(true);
   const [settingsOpen, setSettingsOpen] = useState(false);
   const [exportOpen, setExportOpen] = useState(false);
-  const [notice, setNotice] = useState<string | null>(null);
 
   const saveNow = useCallback(() => {
     const current = useBook.getState().book;
@@ -61,19 +60,9 @@ export function EditorView() {
     return () => clearTimeout(timer);
   }, [notice]);
 
-  const runExport = async (label: string, fn: (book: Book) => Promise<void>) => {
+  const handleExport = (format: "pdf" | "epub") => {
     setExportOpen(false);
-    if (!isDesktop) {
+    runExport(format);
-      setNotice(DESKTOP_ONLY);
-      return;
-    }
-    const current = useBook.getState().book;
-    if (!current) return;
-    try {
-      await fn(current);
-    } catch (e) {
-      setNotice(`${label} export failed: ${e}`);
-    }
   };
 
   if (!book) return null;
@@ -101,8 +90,8 @@ export function EditorView() {
               <>
                 <div className="menu-backdrop" onClick={() => setExportOpen(false)} />
                 <div className="menu">
-                  <button onClick={() => runExport("PDF", exportPdf)}>Export PDF…</button>
+                  <button onClick={() => handleExport("pdf")}>Export PDF…</button>
-                  <button onClick={() => runExport("EPUB", exportEpub)}>Export EPUB…</button>
+                  <button onClick={() => handleExport("epub")}>Export EPUB…</button>
                 </div>
               </>
             )}
@@ -156,6 +145,12 @@ export function EditorView() {
       </div>
 
       {settingsOpen && <Settings onClose={() => setSettingsOpen(false)} onSave={saveNow} />}
+      {exporting && (
+        <div className="export-overlay">
+          <div className="spinner" />
+          <p>Exporting {exporting}…</p>
+        </div>
+      )}
       {notice && (
         <div className="toast" onClick={() => setNotice(null)}>
           {notice}

src/components/Sidebar.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react";
+import { useEffect, useRef, useState } from "react";
 import { COVER_ID, useBook } from "../store/useBook";
 import { type Chapter, type ChapterKind, bodyNumber, chapterKind } from "../model/book";
 import { AddPageMenu } from "./AddPageMenu";
@@ -12,6 +12,11 @@ interface Row {
   num: number | null;
 }
 
+interface DropTarget {
+  kind: ChapterKind;
+  index: number;
+}
+
 function formatEdited(ts: number, now: number): string {
   const diff = Math.max(0, now - ts);
   const min = 60_000;
@@ -42,11 +47,15 @@ export function Sidebar() {
   const moveChapter = useBook((s) => s.moveChapter);
   const closeBook = useBook((s) => s.closeBook);
 
-  const [drag, setDrag] = useState<{ kind: ChapterKind; index: number } | null>(null);
+  const [dragIndex, setDragIndex] = useState<number | null>(null);
-  const [dropIndex, setDropIndex] = useState<number | null>(null);
+  const [dropTarget, setDropTarget] = useState<DropTarget | null>(null);
   const [pendingDelete, setPendingDelete] = useState<{ id: string; title: string } | null>(null);
   const [now, setNow] = useState(() => Date.now());
 
+  const dropRef = useRef<DropTarget | null>(null);
+  const gesture = useRef<{ from: number; x: number; y: number; active: boolean } | null>(null);
+  const suppressClick = useRef(false);
+
   useEffect(() => {
     const timer = setInterval(() => setNow(Date.now()), 60_000);
     return () => clearInterval(timer);
@@ -58,27 +67,76 @@ export function Sidebar() {
     { kind: "body", label: "Chapters", rows: rows.filter((r) => chapterKind(r.chapter) === "body") },
     { kind: "back", label: "Back matter", rows: rows.filter((r) => chapterKind(r.chapter) === "back") },
   ];
-
+  const groupEnd: Record<ChapterKind, number> = {
-  const onDragOver = (e: React.DragEvent, kind: ChapterKind, index: number) => {
+    front: groups[0].rows.length,
-    if (!drag || drag.kind !== kind) return;
+    body: groups[0].rows.length + groups[1].rows.length,
-    e.preventDefault();
+    back: rows.length,
-    const rect = e.currentTarget.getBoundingClientRect();
-    const after = e.clientY > rect.top + rect.height / 2;
-    setDropIndex(after ? index + 1 : index);
   };
 
-  const onDrop = () => {
+  const dragging = dragIndex !== null;
-    if (drag && dropIndex !== null) {
+
-      const to = drag.index < dropIndex ? dropIndex - 1 : dropIndex;
+  const setDrop = (t: DropTarget | null) => {
-      moveChapter(drag.index, to);
+    dropRef.current = t;
+    setDropTarget(t);
+  };
+
+  const computeDrop = (x: number, y: number): DropTarget | null => {
+    const el = document.elementFromPoint(x, y) as HTMLElement | null;
+    const row = el?.closest<HTMLElement>(".chapter");
+    if (row?.dataset.idx) {
+      const rect = row.getBoundingClientRect();
+      const idx = Number(row.dataset.idx);
+      const after = y > rect.top + rect.height / 2;
+      return { kind: row.dataset.kind as ChapterKind, index: after ? idx + 1 : idx };
     }
-    setDrag(null);
+    const section = el?.closest<HTMLElement>(".nav-section");
-    setDropIndex(null);
+    if (section?.dataset.kind) {
+      const kind = section.dataset.kind as ChapterKind;
+      return { kind, index: groupEnd[kind] };
+    }
+    return null;
   };
 
-  const reset = () => {
+  const onPointerMove = (e: PointerEvent) => {
-    setDrag(null);
+    const g = gesture.current;
-    setDropIndex(null);
+    if (!g) return;
+    if (!g.active) {
+      if (Math.abs(e.clientX - g.x) < 4 && Math.abs(e.clientY - g.y) < 4) return;
+      g.active = true;
+      setDragIndex(g.from);
+    }
+    const t = computeDrop(e.clientX, e.clientY);
+    if (t) setDrop(t);
+  };
+
+  const onPointerUp = () => {
+    window.removeEventListener("pointermove", onPointerMove);
+    window.removeEventListener("pointerup", onPointerUp);
+    const g = gesture.current;
+    gesture.current = null;
+    if (g?.active) {
+      suppressClick.current = true;
+      const t = dropRef.current;
+      if (t) moveChapter(g.from, t.index, t.kind);
+    }
+    setDragIndex(null);
+    setDrop(null);
+  };
+
+  const onRowPointerDown = (e: React.PointerEvent, index: number) => {
+    if (e.button !== 0 || (e.target as HTMLElement).closest(".row-menu-btn")) return;
+    suppressClick.current = false;
+    gesture.current = { from: index, x: e.clientX, y: e.clientY, active: false };
+    window.addEventListener("pointermove", onPointerMove);
+    window.addEventListener("pointerup", onPointerUp);
+  };
+
+  const onRowClick = (id: string) => {
+    if (suppressClick.current) {
+      suppressClick.current = false;
+      return;
+    }
+    setActiveChapter(id);
   };
 
   return (
@@ -99,24 +157,22 @@ export function Sidebar() {
 
       <div className="nav-scroll">
         {groups.map((group) =>
-          group.kind === "body" || group.rows.length ? (
+          group.kind === "body" || group.rows.length || dragging ? (
-            <div key={group.kind} className="nav-section">
+            <div key={group.kind} className="nav-section" data-kind={group.kind}>
               <div className="nav-label">{group.label}</div>
               <ul className="chapters">
                 {group.rows.map((row, i) => (
                   <li
                     key={row.chapter.id}
                     className="chapter"
+                    data-idx={row.index}
+                    data-kind={group.kind}
                     data-active={row.chapter.id === activeChapterId}
-                    data-dragging={drag?.index === row.index}
+                    data-dragging={dragIndex === row.index}
-                    data-drop-before={drag?.kind === group.kind && dropIndex === row.index}
+                    data-drop-before={dropTarget?.kind === group.kind && dropTarget.index === row.index}
-                    data-drop-after={drag?.kind === group.kind && i === group.rows.length - 1 && dropIndex === row.index + 1}
+                    data-drop-after={dropTarget?.kind === group.kind && i === group.rows.length - 1 && dropTarget.index === row.index + 1}
-                    draggable
+                    onClick={() => onRowClick(row.chapter.id)}
-                    onClick={() => setActiveChapter(row.chapter.id)}
+                    onPointerDown={(e) => onRowPointerDown(e, row.index)}
-                    onDragStart={() => setDrag({ kind: group.kind, index: row.index })}
-                    onDragOver={(e) => onDragOver(e, group.kind, row.index)}
-                    onDrop={onDrop}
-                    onDragEnd={reset}
                   >
                     <span className="grip" title="Drag to reorder">
                       <Icon d="M9 6h.01M15 6h.01M9 12h.01M15 12h.01M9 18h.01M15 18h.01" size={14} />
@@ -134,6 +190,11 @@ export function Sidebar() {
                     />
                   </li>
                 ))}
+                {!group.rows.length && (
+                  <li className="chapter-drop" data-on={dropTarget?.kind === group.kind}>
+                    Drop here
+                  </li>
+                )}
               </ul>
               {group.kind === "body" && (
                 <button className="add-chapter" onClick={addChapter}>

src/editor/FigureView.tsx

@@ -1,4 +1,6 @@
+import { useRef, useState } from "react";
 import { NodeViewWrapper, type NodeViewProps } from "@tiptap/react";
+import { FIGURE_WIDTH, isResizablePlacement, type FigurePlacement } from "../model/book";
 
 const PLACEMENTS = [
   { key: "inline", label: "Inline" },
@@ -7,13 +9,51 @@ const PLACEMENTS = [
   { key: "float-top", label: "Float" },
 ];
 
+const clampWidth = (value: number) => Math.min(100, Math.max(20, Math.round(value)));
+
 export function FigureView({ node, updateAttributes, selected }: NodeViewProps) {
   const { src, alt, caption, placement } = node.attrs;
+  const frameRef = useRef<HTMLDivElement>(null);
+  const [dragWidth, setDragWidth] = useState<number | null>(null);
+
+  const resizable = isResizablePlacement(placement as FigurePlacement);
+  const baseWidth = node.attrs.width ?? FIGURE_WIDTH[placement as FigurePlacement] ?? 100;
+  const width = resizable ? (dragWidth ?? baseWidth) : null;
+
+  const startResize = (e: React.PointerEvent) => {
+    e.preventDefault();
+    const wrapper = frameRef.current?.closest(".figure") as HTMLElement | null;
+    const container = wrapper?.parentElement;
+    if (!wrapper || !container) return;
+    const startX = e.clientX;
+    const startPx = wrapper.getBoundingClientRect().width;
+    const containerPx = container.clientWidth || 1;
+    const percentAt = (clientX: number) => clampWidth(((startPx + clientX - startX) / containerPx) * 100);
+
+    const onMove = (ev: PointerEvent) => setDragWidth(percentAt(ev.clientX));
+    const onUp = (ev: PointerEvent) => {
+      window.removeEventListener("pointermove", onMove);
+      window.removeEventListener("pointerup", onUp);
+      updateAttributes({ width: percentAt(ev.clientX) });
+      setDragWidth(null);
+    };
+    window.addEventListener("pointermove", onMove);
+    window.addEventListener("pointerup", onUp);
+  };
 
   return (
-    <NodeViewWrapper className="figure" data-placement={placement} data-selected={selected} contentEditable={false}>
+    <NodeViewWrapper
-      <div className="figure-frame">
+      className="figure"
+      data-placement={placement}
+      data-selected={selected}
+      style={width != null ? { width: `${width}%` } : undefined}
+      contentEditable={false}
+    >
+      <div className="figure-frame" ref={frameRef}>
         {src ? <img src={src} alt={alt} /> : <div className="figure-empty">No image</div>}
+        {selected && src && resizable && (
+          <div className="figure-handle" onPointerDown={startResize} title="Drag to resize" />
+        )}
       </div>
       <input
         className="figure-caption"
@@ -28,6 +68,7 @@ export function FigureView({ node, updateAttributes, selected }: NodeViewProps)
               {p.label}
             </button>
           ))}
+          {resizable && src && <span className="figure-width">{Math.round(width ?? baseWidth)}%</span>}
         </div>
       )}
     </NodeViewWrapper>

src/editor/figure.ts

@@ -1,5 +1,6 @@
 import { Node, mergeAttributes } from "@tiptap/core";
 import { ReactNodeViewRenderer } from "@tiptap/react";
+import { isResizablePlacement } from "../model/book";
 import { FigureView } from "./FigureView";
 
 export const Figure = Node.create({
@@ -15,6 +16,7 @@ export const Figure = Node.create({
       alt: { default: "" },
       caption: { default: "" },
       placement: { default: "full-width" },
+      width: { default: null },
     };
   },
 
@@ -23,10 +25,11 @@ export const Figure = Node.create({
   },
 
   renderHTML({ HTMLAttributes }) {
-    const { src, alt, caption, placement } = HTMLAttributes;
+    const { src, alt, caption, placement, width } = HTMLAttributes;
+    const style = width != null && isResizablePlacement(placement) ? `width:${width}%` : null;
     return [
       "figure",
-      mergeAttributes({ "data-figure": "", "data-placement": placement }),
+      mergeAttributes({ "data-figure": "", "data-placement": placement, style }),
       ["img", { src, alt }],
       ["figcaption", {}, caption ?? ""],
     ];

src/export/epub.ts

@@ -1,6 +1,6 @@
 import type { JSONContent } from "@tiptap/core";
 import { invoke } from "@tauri-apps/api/core";
-import { type Book, TRIM_DIMS, bodyNumber, chapterKind } from "../model/book";
+import { type Book, type FigurePlacement, TRIM_DIMS, FIGURE_WIDTH, bodyNumber, chapterKind, isResizablePlacement } from "../model/book";
 
 export interface EpubFile {
   path: string;
@@ -72,7 +72,10 @@ function figure(node: JSONContent, paths: Map<string, string>): string {
   const caption = node.attrs?.caption
     ? `<figcaption>${esc(node.attrs.caption)}</figcaption>`
     : "";
-  return `<figure class="placement-${attr(placement)}"><img src="${attr(path)}" alt="${alt}"/>${caption}</figure>`;
+  const placed = placement as FigurePlacement;
+  const width = (isResizablePlacement(placed) ? node.attrs?.width : null) ?? FIGURE_WIDTH[placed] ?? 100;
+  const style = placement === "full-page" ? "" : ` style="width:${width}%"`;
+  return `<figure class="placement-${attr(placement)}"${style}><img src="${attr(path)}" alt="${alt}"/>${caption}</figure>`;
 }
 
 function block(node: JSONContent, paths: Map<string, string>): string {
@@ -439,7 +442,7 @@ hr.scene-break::before {
 }
 
 figure {
-  margin: 1.4em 0;
+  margin: 1.4em auto;
   text-align: center;
 }
 

src/export/run.ts

@@ -0,0 +1,37 @@
+import type { Book } from "../model/book";
+import { exportEpub, exportPdf } from "./exporters";
+import { useBook } from "../store/useBook";
+import { isDesktop } from "../ipc";
+
+const DESKTOP_ONLY =
+  'Export runs in the desktop app only — open the window from "pnpm tauri dev" (you are viewing the browser preview).';
+
+const FORMATS: Record<string, { label: string; run: (book: Book) => Promise<void> }> = {
+  pdf: { label: "PDF", run: exportPdf },
+  epub: { label: "EPUB", run: exportEpub },
+};
+
+function nextPaint(): Promise<void> {
+  return new Promise((resolve) =>
+    requestAnimationFrame(() => requestAnimationFrame(() => resolve()))
+  );
+}
+
+export async function runExport(format: "pdf" | "epub"): Promise<void> {
+  const { book, setExporting, setNotice } = useBook.getState();
+  const { label, run } = FORMATS[format];
+  if (!isDesktop) {
+    setNotice(DESKTOP_ONLY);
+    return;
+  }
+  if (!book) return;
+  setExporting(label);
+  await nextPaint();
+  try {
+    await run(book);
+  } catch (e) {
+    setNotice(`${label} export failed: ${e}`);
+  } finally {
+    setExporting(null);
+  }
+}

src/export/typst.ts

@@ -1,5 +1,5 @@
 import type { JSONContent } from "@tiptap/core";
-import { type Book, type TrimSize, bodyNumber, chapterKind } from "../model/book";
+import { type Book, type FigurePlacement, type TrimSize, FIGURE_WIDTH, bodyNumber, chapterKind, isResizablePlacement } from "../model/book";
 import type { ImageInput } from "../ipc";
 
 const TRIM: Record<TrimSize, { w: string; h: string }> = {
@@ -57,9 +57,11 @@ function figure(node: JSONContent, paths: Map<string, string>): string {
   if (placement === "full-page") {
     return `#page(margin: 0pt, numbering: none)[#image(${str(path)}, width: 100%, height: 100%, fit: "cover")]`;
   }
+  const placed = placement as FigurePlacement;
+  const width = (isResizablePlacement(placed) ? node.attrs?.width : null) ?? FIGURE_WIDTH[placed] ?? 100;
   const caption = node.attrs?.caption ? `, caption: [${esc(node.attrs.caption)}]` : "";
   const float = placement === "float-top" ? ", placement: top" : "";
-  return `#figure(image(${str(path)}, width: 100%)${caption}${float})`;
+  return `#figure(image(${str(path)}, width: ${width}%)${caption}${float})`;
 }
 
 function block(node: JSONContent, paths: Map<string, string>): string {
@@ -127,24 +129,52 @@ function preamble(book: Book): string {
   ]
 }
 
-#let chapteropener(num, title) = {
+#let openchapter(info) = {
   pagebreak(weak: true)
+  [#metadata(info) <chap>]
   v(2.1in)
   align(center)[
-    #text(font: "Hanken Grotesk", size: 8.5pt, weight: "semibold", tracking: 0.28em)[#upper("Chapter " + num)]
+    #if info.kind == "body" {
-    #v(0.7em)
+      text(font: "Hanken Grotesk", size: 8.5pt, weight: "semibold", tracking: 0.28em)[#upper("Chapter " + info.num)]
-    #heading(level: 1, numbering: none, outlined: true)[#title]
+      v(0.7em)
+    }
+    #heading(level: 1, numbering: none, outlined: info.toc)[#info.title]
   ]
   v(1.5em)
 }
 
-#let pageopener(title) = {
+#let pageof(loc) = {
+  let pat = loc.page-numbering()
+  if pat == none { pat = "1" }
+  numbering(pat, ..counter(page).at(loc))
+}
+
+#let contents() = {
   pagebreak(weak: true)
-  v(2.1in)
+  set par(justify: false, first-line-indent: 0pt)
-  align(center)[
+  block(below: 2em)[#text(font: "Literata", size: 24pt, weight: "medium")[Contents]]
-    #heading(level: 1, numbering: none, outlined: true)[#title]
+  context {
-  ]
+    let items = query(<chap>).filter(it => it.value.toc != false)
-  v(1.5em)
+    let prev = none
+    for it in items {
+      let info = it.value
+      let pg = pageof(it.location())
+      let body = info.kind == "body"
+      let gap = if prev != none and prev != info.kind { 1.7em } else { 0.95em }
+      prev = info.kind
+      block(width: 100%, above: gap, below: 0.95em, {
+        set text(size: 11.5pt)
+        link(it.location())[#grid(
+          columns: (1.9em, 1fr, auto),
+          column-gutter: (0.65em, 1em),
+          align: (right + top, left + top, right + top),
+          if body { info.num } else { [] },
+          if body { info.title } else { emph(info.title) },
+          pg,
+        )]
+      })
+    }
+  }
 }`;
 }
 
@@ -213,23 +243,42 @@ export function extractImages(book: Book): { images: ImageInput[]; paths: Map<st
   return collectImages(book.chapters.map((chapter) => chapter.content));
 }
 
+function cleanTitle(title: string): string {
+  return (title || "")
+    .replace(/[\u0000-\u001f\u007f-\u009f\u2028\u2029]+/g, " ")
+    .replace(/\s+/g, " ")
+    .trim();
+}
+
+function normTitle(title: string): string {
+  return cleanTitle(title).toLowerCase();
+}
+
+function openerCall(book: Book, index: number): string {
+  const chapter = book.chapters[index];
+  const kind = chapterKind(chapter);
+  const num = kind === "body" ? String(bodyNumber(book.chapters, index)) : "";
+  const title = cleanTitle(chapter.title) || "Untitled";
+  const inToc = !(kind === "front" && normTitle(title) === normTitle(book.metadata.title));
+  return `#openchapter((kind: ${str(kind)}, num: ${str(num)}, title: ${str(title)}, toc: ${inToc}))`;
+}
+
 export function bookToTypst(book: Book, paths: Map<string, string> = new Map(), coverPath?: string): string {
   const meta = book.metadata;
   const cover = `${coverBlock(book, coverPath)}\n#pagebreak(weak: true)`;
   const front = `#set page(numbering: none)
 #titlepage(${str(meta.title || "Untitled")}, ${str(meta.subtitle)}, ${str(meta.author)})
 #pagebreak(weak: true)
-#outline(title: [Contents], depth: 1)
+#set page(numbering: "i")
-#set page(numbering: "1")
+#counter(page).update(1)
-#counter(page).update(1)`;
+#contents()`;
+
+  const firstBody = book.chapters.findIndex((c) => chapterKind(c) === "body");
 
   const body = book.chapters
     .map((chapter, i) => {
-      const opener =
+      const reset = i === firstBody ? `#set page(numbering: "1")\n#counter(page).update(1)\n` : "";
-        chapterKind(chapter) === "body"
+      return `${reset}${openerCall(book, i)}\n\n${chapterBody(chapter.content, paths)}`;
-          ? `#chapteropener(${str(String(bodyNumber(book.chapters, i)))}, [${esc(chapter.title || "Untitled")}])`
-          : `#pageopener([${esc(chapter.title || "Untitled")}])`;
-      return `${opener}\n\n${chapterBody(chapter.content, paths)}`;
     })
     .join("\n\n");
 
@@ -249,19 +298,14 @@ export function coverToPdfInputs(book: Book): { source: string; images: ImageInp
 }
 
 function chapterToTypst(book: Book, index: number, paths: Map<string, string>): string {
-  const chapter = book.chapters[index];
-  const opener =
-    chapterKind(chapter) === "body"
-      ? `#chapteropener(${str(String(bodyNumber(book.chapters, index)))}, [${esc(chapter.title || "Untitled")}])`
-      : `#pageopener([${esc(chapter.title || "Untitled")}])`;
   return `${preamble(book)}
 
 #set page(numbering: "1")
 #counter(page).update(1)
 
-${opener}
+${openerCall(book, index)}
 
-${chapterBody(chapter.content, paths)}
+${chapterBody(book.chapters[index].content, paths)}
 `;
 }
 

src/import/epub.ts

@@ -266,6 +266,13 @@ function readSpine(opf: Document, manifest: Map<string, ManifestItem>): Manifest
     .filter((item) => /xhtml|html/.test(item.mediaType) || /\.x?html?$/.test(item.href));
 }
 
+function cleanLabel(text: string | null | undefined): string {
+  return (text ?? "")
+    .replace(/[\u0000-\u001f\u007f-\u009f\u2028\u2029]+/g, " ")
+    .replace(/\s+/g, " ")
+    .trim();
+}
+
 function readNavTitles(
   manifest: Map<string, ManifestItem>,
   byPath: Map<string, RawFile>,
@@ -284,9 +291,9 @@ function readNavTitles(
       const doc = parseXml(file.data, "text/html");
       const baseDir = dirOf(nav.href);
       doc.querySelectorAll("a[href]").forEach((a) => {
-        const href = a.getAttribute("href")!;
+        const key = resolvePath(baseDir, decodeHref(a.getAttribute("href")!));
-        const label = a.textContent?.trim();
+        const label = cleanLabel(a.textContent);
-        if (label) titles.set(resolvePath(baseDir, decodeHref(href)), label);
+        if (label && !titles.has(key)) titles.set(key, label);
       });
     }
   }
@@ -298,9 +305,12 @@ function readNavTitles(
       Array.from(doc.getElementsByTagName("*"))
         .filter((el) => el.localName === "navPoint")
         .forEach((point) => {
-          const label = firstByLocal(point, "text")?.textContent?.trim();
+          const label = cleanLabel(firstByLocal(point, "text")?.textContent);
           const src = firstByLocal(point, "content")?.getAttribute("src");
-          if (label && src) titles.set(resolvePath(baseDir, decodeHref(src)), label);
+          if (label && src) {
+            const key = resolvePath(baseDir, decodeHref(src));
+            if (!titles.has(key)) titles.set(key, label);
+          }
         });
     }
   }

src/model/book.ts

@@ -3,6 +3,16 @@ import type { JSONContent } from "@tiptap/core";
 export type TrimSize = "6x9" | "5.5x8.5" | "5x8" | "a5";
 export type FigurePlacement = "inline" | "full-width" | "full-page" | "float-top";
 
+export const FIGURE_WIDTH: Record<FigurePlacement, number> = {
+  inline: 62,
+  "full-width": 100,
+  "full-page": 100,
+  "float-top": 46,
+};
+
+export const isResizablePlacement = (placement: FigurePlacement): boolean =>
+  placement === "inline" || placement === "float-top";
+
 export interface BookMetadata {
   title: string;
   subtitle: string;

src/store/useBook.ts

@@ -4,6 +4,7 @@ import {
   type Book,
   type BookMetadata,
   type BookSettings,
+  type ChapterKind,
   type Cover,
   chapterKind,
   createChapter,
@@ -17,6 +18,10 @@ interface BookState {
   book: Book | null;
   activeChapterId: string;
   dirty: boolean;
+  exporting: string | null;
+  notice: string | null;
+  setExporting: (label: string | null) => void;
+  setNotice: (message: string | null) => void;
   openBook: (book: Book) => void;
   closeBook: () => void;
   setActiveChapter: (id: string) => void;
@@ -25,7 +30,7 @@ interface BookState {
   addChapter: () => void;
   addPage: (group: "front" | "back", title: string) => void;
   deleteChapter: (id: string) => void;
-  moveChapter: (from: number, to: number) => void;
+  moveChapter: (from: number, to: number, toKind?: ChapterKind) => void;
   setMetadata: (patch: Partial<BookMetadata>) => void;
   setSettings: (patch: Partial<BookSettings>) => void;
   setCover: (patch: Partial<Cover>) => void;
@@ -36,6 +41,10 @@ export const useBook = create<BookState>((set) => ({
   book: null,
   activeChapterId: "",
   dirty: false,
+  exporting: null,
+  notice: null,
+  setExporting: (label) => set({ exporting: label }),
+  setNotice: (message) => set({ notice: message }),
   openBook: (book) => {
     const normalized = normalizeBook(book);
     set({ book: normalized, activeChapterId: normalized.chapters[0]?.id ?? "", dirty: false });
@@ -83,13 +92,17 @@ export const useBook = create<BookState>((set) => ({
         s.activeChapterId === id ? (chapters[index] ?? chapters[index - 1])?.id ?? COVER_ID : s.activeChapterId;
       return { dirty: true, activeChapterId, book: { ...s.book, chapters } };
     }),
-  moveChapter: (from, to) =>
+  moveChapter: (from, to, toKind) =>
     set((s) => {
-      if (!s.book || from === to) return {};
+      if (!s.book) return {};
       const chapters = [...s.book.chapters];
-      if (from < 0 || from >= chapters.length || to < 0 || to >= chapters.length) return {};
+      if (from < 0 || from >= chapters.length) return {};
+      const target = chapters[from];
+      const nextKind = toKind ?? chapterKind(target);
+      const dest = Math.max(0, Math.min(from < to ? to - 1 : to, chapters.length - 1));
+      if (from === dest && chapterKind(target) === nextKind) return {};
       const [moved] = chapters.splice(from, 1);
-      chapters.splice(to, 0, moved);
+      chapters.splice(dest, 0, nextKind === "body" ? { ...moved, kind: undefined } : { ...moved, kind: nextKind });
       return { dirty: true, book: { ...s.book, chapters } };
     }),
   setMetadata: (patch) =>

src/styles/app.css

@@ -106,6 +106,8 @@ button {
   display: flex;
   flex-direction: column;
   padding: 6px 0 10px;
+  user-select: none;
+  -webkit-user-select: none;
 }
 
 .brand {
@@ -322,10 +324,12 @@ button {
 }
 
 .add-chapter {
-  margin: 8px 18px 4px;
+  margin: 8px 10px 4px;
+  width: calc(100% - 20px);
   padding: 9px 12px;
   display: flex;
   align-items: center;
+  justify-content: center;
   gap: 8px;
   border-radius: var(--r-sm);
   color: var(--ink-faint);
@@ -739,7 +743,7 @@ button {
 }
 
 .figure {
-  margin: 1.8rem 0;
+  margin: 1.8rem auto;
 }
 
 .figure img {
@@ -760,11 +764,25 @@ button {
 }
 
 .figure-frame {
+  position: relative;
   background: var(--sidebar);
   border-radius: 3px;
   overflow: hidden;
 }
 
+.figure-handle {
+  position: absolute;
+  right: 6px;
+  bottom: 6px;
+  width: 14px;
+  height: 14px;
+  border-radius: 3px;
+  background: var(--accent);
+  border: 2px solid var(--accent-contrast);
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
+  cursor: nwse-resize;
+}
+
 .figure-empty {
   aspect-ratio: 3 / 2;
   display: grid;
@@ -800,12 +818,15 @@ button {
 
 .figure-controls {
   display: flex;
+  flex-wrap: nowrap;
   gap: 4px;
   justify-content: center;
   margin-top: 9px;
 }
 
 .figure-controls button {
+  flex-shrink: 0;
+  white-space: nowrap;
   font-family: var(--font-ui);
   font-size: var(--t-1);
   padding: 5px 10px;
@@ -820,6 +841,15 @@ button {
   color: var(--accent-contrast);
 }
 
+.figure-width {
+  align-self: center;
+  margin-left: 2px;
+  font-family: var(--font-ui);
+  font-size: var(--t-1);
+  color: var(--ink-faint);
+  font-variant-numeric: tabular-nums;
+}
+
 .pdf-pages {
   display: flex;
   flex-direction: column;
@@ -1003,6 +1033,42 @@ button {
   color: var(--ink);
 }
 
+.export-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 50;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 18px;
+  background: rgba(35, 32, 27, 0.32);
+  -webkit-backdrop-filter: blur(3px);
+  backdrop-filter: blur(3px);
+}
+
+.export-overlay p {
+  margin: 0;
+  font-family: var(--font-ui);
+  font-size: var(--t-3);
+  color: #fcfbf7;
+}
+
+.spinner {
+  width: 34px;
+  height: 34px;
+  border: 3px solid rgba(255, 255, 255, 0.28);
+  border-top-color: #fcfbf7;
+  border-radius: 50%;
+  animation: spin 0.7s linear infinite;
+}
+
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
 .toast {
   position: fixed;
   bottom: 26px;
@@ -1497,3 +1563,20 @@ button {
 .nav-section + .nav-section {
   margin-top: 6px;
 }
+
+.chapter-drop {
+  margin: 2px 0;
+  padding: 9px 12px;
+  border-radius: var(--r-sm);
+  border: 1px dashed var(--line-strong);
+  color: var(--ink-faint);
+  font-size: var(--t-2);
+  text-align: center;
+  transition: border-color 120ms var(--ease), color 120ms var(--ease), background 120ms var(--ease);
+}
+
+.chapter-drop[data-on="true"] {
+  border-color: var(--accent);
+  color: var(--accent);
+  background: var(--accent-wash);
+}