fix(web): 审稿页支持切换章节并打通验收后审下一章

apps/web/app/projects/[id]/review/page.tsx

@@ -1,8 +1,15 @@
 import { notFound } from "next/navigation";
 
 import { ReviewReport } from "@/components/review/ReviewReport";
-import { fetchDraft, fetchProject, fetchReviews } from "@/lib/api/server";
+import {
+  fetchDraft,
+  fetchOutline,
+  fetchProject,
+  fetchReviews,
+} from "@/lib/api/server";
+import type { ProjectResponse } from "@/lib/api/types";
 import { latestReview } from "@/lib/review/history";
+import type { ChapterEntry } from "@/lib/workbench/chapter";
 
 interface PageProps {
   params: Promise<{ id: string }>;
@@ -17,22 +24,51 @@ export default async function ReviewPage({ params, searchParams }: PageProps) {
   const { id } = await params;
   const { chapter } = await searchParams;
   const chapterNo = parsePositiveInt(chapter) ?? DEFAULT_CHAPTER_NO;
+
+  // 仅当项目确实取不到时才判 404；审稿/草稿/大纲等次级拉取的瞬时错误不应把整页变成「找不到」。
+  let project: ProjectResponse;
   try {
-    const project = await fetchProject(id);
-    const history = await fetchReviews(id, chapterNo);
-    // 终稿初值取已存草稿（GET .../draft，404→null→""）；否则 final_text 为空 → accept 422。
-    const draft = await fetchDraft(id, chapterNo);
-    return (
-      <ReviewReport
-        project={project}
-        chapterNo={chapterNo}
-        initialReview={latestReview(history.reviews)}
-        initialDraft={draft?.content ?? ""}
-      />
-    );
+    project = await fetchProject(id);
   } catch {
     notFound();
   }
+
+  // 审稿留痕（GET .../reviews，失败→空历史）。
+  let initialReview;
+  try {
+    const history = await fetchReviews(id, chapterNo);
+    initialReview = latestReview(history.reviews);
+  } catch {
+    initialReview = undefined;
+  }
+
+  // 终稿初值取已存草稿（GET .../draft，404→null→""）；否则 final_text 为空 → accept 422。
+  let initialDraft = "";
+  try {
+    const draft = await fetchDraft(id, chapterNo);
+    initialDraft = draft?.content ?? "";
+  } catch {
+    initialDraft = "";
+  }
+
+  // 大纲章节作章节导航目录（fetchOutline 已对空/错误降级为 []）；首个节拍当短标题。
+  const chapters: ChapterEntry[] = (await fetchOutline(id)).map((c) => ({
+    no: c.no,
+    title: c.beats?.[0],
+  }));
+
+  return (
+    // key=章号：客户端切章（?chapter=N 变化）时强制重挂载，用新章审稿/草稿刷新状态，
+    // 避免 ReviewReport 内 useState 基线沿用上一章。
+    <ReviewReport
+      key={chapterNo}
+      project={project}
+      chapterNo={chapterNo}
+      initialReview={initialReview}
+      initialDraft={initialDraft}
+      chapters={chapters}
+    />
+  );
 }
 
 function parsePositiveInt(raw: string | undefined): number | null {

apps/web/components/review/AcceptPanel.tsx

@@ -1,13 +1,14 @@
 "use client";
 
 import Link from "next/link";
-import { ArrowRight, CheckCircle2, ListTree } from "lucide-react";
+import { ArrowRight, CheckCircle2, ClipboardCheck, ListTree } from "lucide-react";
 
 import { Button } from "@/components/ui/Button";
 import { StatusNote } from "@/components/ui/StatusNote";
 import type { AcceptResponse } from "@/lib/api/types";
 import { buildAcceptPreview } from "@/lib/review/accept-preview";
 import { ThinkingIndicator } from "@/components/ThinkingIndicator";
+import { reviewChapterHref } from "@/lib/review/chapterNav";
 import { buttonClass } from "@/lib/ui/variants";
 
 interface AcceptPanelProps {
@@ -85,6 +86,13 @@ export function AcceptPanel({
             <ArrowRight className="h-4 w-4" aria-hidden="true" />
             写第 {chapterNo + 1} 章
           </Link>
+          <Link
+            href={reviewChapterHref(projectId, chapterNo + 1)}
+            className={buttonClass({ variant: "secondary" })}
+          >
+            <ClipboardCheck className="h-4 w-4" aria-hidden="true" />
+            审第 {chapterNo + 1} 章
+          </Link>
           <Link
             href={`/projects/${projectId}/outline`}
             className={buttonClass({ variant: "secondary" })}

apps/web/components/review/ReviewReport.tsx

@@ -2,6 +2,7 @@
 
 import { useEffect, useMemo, useRef, useState } from "react";
 import Link from "next/link";
+import { useRouter } from "next/navigation";
 import {
   AlertTriangle,
   CheckCircle2,
@@ -12,6 +13,9 @@ import {
 import { AppShell } from "@/components/AppShell";
 import { Badge } from "@/components/ui/Badge";
 import { Button } from "@/components/ui/Button";
+import { Select } from "@/components/ui/Select";
+import { reviewChapterHref, reviewChapterOptions } from "@/lib/review/chapterNav";
+import type { ChapterEntry } from "@/lib/workbench/chapter";
 import type { ProjectResponse, ReviewHistoryItem } from "@/lib/api/types";
 import { friendlyError } from "@/lib/errors/messages";
 import {
@@ -62,6 +66,8 @@ interface ReviewReportProps {
   chapterNo: number;
   initialReview: ReviewHistoryItem | undefined;
   initialDraft: string;
+  // 章节导航目录（大纲章节）：用于报告头部的「切换审稿章节」选择器。
+  chapters?: ChapterEntry[];
 }
 
 // 审稿报告页主体（UX §6.4 / §8.3 / §9）。
@@ -72,7 +78,9 @@ export function ReviewReport({
   chapterNo,
   initialReview,
   initialDraft,
+  chapters,
 }: ReviewReportProps) {
+  const router = useRouter();
   const review = useReviewStream();
   const accept = useAccept();
   const conflictFix = useRefine(); // 采纳无补丁冲突时，临时调 AI 重写定位段
@@ -403,6 +411,23 @@ export function ReviewReport({
             <h1 className="min-w-0 flex-1 truncate font-serif text-lg text-ink">
               第 {chapterNo} 章 审稿报告
             </h1>
+            <Select
+              controlSize="sm"
+              aria-label="切换审稿章节"
+              className="hidden max-w-[12rem] shrink-0 sm:block"
+              value={chapterNo}
+              onChange={(e) =>
+                router.push(
+                  reviewChapterHref(project.id, Number(e.target.value)),
+                )
+              }
+            >
+              {reviewChapterOptions(chapters ?? [], chapterNo).map((opt) => (
+                <option key={opt.no} value={opt.no}>
+                  {opt.label}
+                </option>
+              ))}
+            </Select>
             <span className="hidden shrink-0 font-mono text-xs text-ink-soft sm:inline">
               {conflictCount} 冲突
             </span>