feat(web): 审稿改稿闭环——一键采纳/AI改写/正文高亮定位编辑/伏笔确认/草稿自动保存/章节目录

- 冲突「采纳改法」：有补丁瞬时改入终稿并选中；无补丁但可定位则采纳时调 AI（refiner）重写该段套入；定位不到提示手改
- 正文改为行内高亮叠层编辑器（与页面同底色、随内容增高、无滚动条），点冲突卡/锚点整页滚到并选中+闪烁
- 仅对可在正文定位的冲突显示「跳转」/锚点；locate 支持从 where 引号抽原文，杜绝定位失败刷屏
- 伏笔建议卡：新埋一键登记（预填表单）/ 疑似回收一键标记 CLOSED（复用现有端点）
- 审稿页草稿自动保存（防抖 PUT /draft），与「验收本章」解耦，刷新不丢
- 写作路由带章号 ?chapter=N + 验收成功面板/大纲页「写下一章」入口；写作目录从大纲列出全部章节

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/web/lib/review/sse.test.ts

@@ -30,6 +30,8 @@ describe("parseReviewBlock", () => {
         where: "第4段",
         refs: ["第30章"],
         suggestion: "统一血脉设定",
+        original: null,
+        replacement: null,
       },
     });
   });
@@ -108,6 +110,8 @@ describe("parseReviewBlock", () => {
         where: "第1段",
         refs: ["第3章"],
         suggestion: "s",
+        original: null,
+        replacement: null,
       },
     });
     expect(
@@ -142,7 +146,14 @@ describe("ReviewFrameBuffer", () => {
     expect(second).toEqual([
       {
         event: "conflict",
-        data: { type: "性格漂移", where: "第2段", refs: [], suggestion: "x" },
+        data: {
+          type: "性格漂移",
+          where: "第2段",
+          refs: [],
+          suggestion: "x",
+          original: null,
+          replacement: null,
+        },
       },
     ]);
   });
@@ -165,11 +176,25 @@ describe("reduceReview", () => {
     const events: ReviewSseEvent[] = [
       {
         event: "conflict",
-        data: { type: "设定违例", where: "a", refs: [], suggestion: "s1" },
+        data: {
+          type: "设定违例",
+          where: "a",
+          refs: [],
+          suggestion: "s1",
+          original: null,
+          replacement: null,
+        },
       },
       {
         event: "conflict",
-        data: { type: "时间线倒错", where: "b", refs: ["第3章"], suggestion: "s2" },
+        data: {
+          type: "时间线倒错",
+          where: "b",
+          refs: ["第3章"],
+          suggestion: "s2",
+          original: null,
+          replacement: null,
+        },
       },
     ];
     const state = events.reduce(reduceReview, initialReviewState);
@@ -222,7 +247,14 @@ describe("reduceReview", () => {
 
     let e = reduceReview(initialReviewState, {
       event: "conflict",
-      data: { type: "能力不符", where: "x", refs: [], suggestion: "y" },
+      data: {
+        type: "能力不符",
+        where: "x",
+        refs: [],
+        suggestion: "y",
+        original: null,
+        replacement: null,
+      },
     });
     e = reduceReview(e, {
       event: "error",