feat: 新增碎片更新和会话查询的前端API

- 新增 updateFragments(id, content) 调用 PUT 接口
- 新增 getFragmentsBySession(sessionNum) 获取会话碎片列表

src/api/reportFragments.ts

@@ -4,3 +4,11 @@ import request from "@/utils/request";
 export const createFragments = (sessionNum: string, content: string) => {
     return request.post(`/report-fragments`, {sessionNum, content})
 }
+
+export const updateFragments = (id: number, content: string) => {
+    return request.put(`/report-fragments/${id}`, {content})
+}
+
+export const getFragmentsBySession = (sessionNum: string) => {
+    return request.get(`/report-fragments/session/${sessionNum}`)
+}