Expose project revision timeline

src/server/controllers/project-history.controller.ts

@@ -1,4 +1,5 @@
 import type { Request, Response } from "express";
+import { listProjectRevisionsQuerySchema } from "../../shared/validation/project-history.schemas.js";
 import { projectHistoryStore } from "../composition/project-command-stores.js";
 
 export function getProjectHistory(req: Request, res: Response) {
@@ -13,3 +14,23 @@ export function getProjectHistory(req: Request, res: Response) {
   }
   return res.json(state);
 }
+
+export function listProjectRevisions(req: Request, res: Response) {
+  const { projectId } = req.params;
+  if (typeof projectId !== "string" || !projectId.trim()) {
+    return res.status(400).json({ error: "Invalid projectId" });
+  }
+  const parsed = listProjectRevisionsQuerySchema.safeParse(req.query);
+  if (!parsed.success) {
+    return res.status(400).json({ error: parsed.error.flatten() });
+  }
+
+  const page = projectHistoryStore.listRevisions({
+    projectId,
+    ...parsed.data,
+  });
+  if (!page) {
+    return res.status(404).json({ error: "Project not found" });
+  }
+  return res.json(page);
+}

src/server/routes/project.routes.ts

@@ -13,7 +13,10 @@ import { listCircuitListsByProject } from "../controllers/circuit-list.controlle
 import { createFloor, listFloorsByProject } from "../controllers/floor.controller.js";
 import { createRoom, listRoomsByProject } from "../controllers/room.controller.js";
 import { getCircuitTree } from "../controllers/circuit-tree.controller.js";
-import { getProjectHistory } from "../controllers/project-history.controller.js";
+import {
+  getProjectHistory,
+  listProjectRevisions,
+} from "../controllers/project-history.controller.js";
 import {
   executeProjectCommand,
   redoProjectCommand,
@@ -26,6 +29,7 @@ projectRouter.get("/", listProjects);
 projectRouter.post("/", createProject);
 projectRouter.get("/:projectId", getProject);
 projectRouter.get("/:projectId/history", getProjectHistory);
+projectRouter.get("/:projectId/history/revisions", listProjectRevisions);
 projectRouter.post("/:projectId/commands", executeProjectCommand);
 projectRouter.post("/:projectId/history/undo", undoProjectCommand);
 projectRouter.post("/:projectId/history/redo", redoProjectCommand);