Add persistent history stacks

src/frontend/types.ts

@@ -6,6 +6,15 @@ export interface ProjectDto {
   currentRevision: number;
 }
 
+export interface ProjectHistoryStateDto {
+  projectId: string;
+  currentRevision: number;
+  undoDepth: number;
+  redoDepth: number;
+  undoChangeSetId: string | null;
+  redoChangeSetId: string | null;
+}
+
 export interface DistributionBoardDto {
   id: string;
   projectId: string;

src/frontend/utils/api.ts

@@ -8,6 +8,7 @@ import type {
   FloorDto,
   GlobalDeviceDto,
   ProjectDeviceDto,
+  ProjectHistoryStateDto,
   ProjectDeviceDisconnectResultDto,
   ProjectDeviceSyncPreviewDto,
   ProjectDeviceSyncRestoreRowDto,
@@ -54,6 +55,12 @@ export function getProject(projectId: string) {
   return request<ProjectDto>(`/api/projects/${projectId}`);
 }
 
+export function getProjectHistory(projectId: string) {
+  return request<ProjectHistoryStateDto>(
+    `/api/projects/${projectId}/history`
+  );
+}
+
 export function createProject(name: string) {
   return request<ProjectDto>("/api/projects", {
     method: "POST",