feat(review): 实现复习内容滚动展示与交互

- Welcome.vue 新增复习内容水平滚动条，展示报告/残片摘要
- 新增 ReviewDetail.vue 复习详情页，展示完整内容及会话上下文
- 新增 review.ts API 模块，路由注册 /review/detail/:type/:id

src/api/review.ts

@@ -0,0 +1,23 @@
+import request from "@/utils/request";
+
+export interface ReviewFeedItem {
+  id: number;
+  sessionNum: string;
+  taskNum: string;
+  taskName: string;
+  sourceType: "REPORT" | "FRAGMENT";
+  content: string;
+  createdTime: string;
+}
+
+export const getReviewFeed = (limit: number = 30) => {
+  return request.get("/review/feed", { limit });
+};
+
+export const getReportDetail = (id: number) => {
+  return request.get(`/review/report/${id}`);
+};
+
+export const getFragmentDetail = (id: number) => {
+  return request.get(`/review/fragment/${id}`);
+};