fix: address ui review follow-ups

apps/web/lib/review/chapterNav.ts

@@ -0,0 +1,23 @@
+import type { ChapterEntry } from "@/lib/workbench/chapter";
+import { buildChapterEntries } from "@/lib/workbench/chapter";
+
+export interface ReviewChapterOption {
+  no: number;
+  label: string;
+}
+
+export function reviewChapterHref(projectId: string, chapterNo: number): string {
+  return `/projects/${projectId}/review?chapter=${chapterNo}`;
+}
+
+export function reviewChapterOptions(
+  chapters: readonly ChapterEntry[],
+  currentChapterNo: number,
+): ReviewChapterOption[] {
+  return buildChapterEntries(chapters, currentChapterNo).map((chapter) => ({
+    no: chapter.no,
+    label: chapter.title
+      ? `第 ${chapter.no} 章 · ${chapter.title}`
+      : `第 ${chapter.no} 章`,
+  }));
+}