diff --git a/server/src/__tests__/work-folder-route-storage.test.ts b/server/src/__tests__/work-folder-route-storage.test.ts
index bac60eb6cc..fd4ed7a296 100644
--- a/server/src/__tests__/work-folder-route-storage.test.ts
+++ b/server/src/__tests__/work-folder-route-storage.test.ts
@@ -41,11 +41,14 @@ it("initializes storage only after access succeeds and reuses it while checking
   expect(mocks.list).toHaveBeenCalledTimes(2);
 });
 
-it.each(["same-sandbox", "replacement-sandbox"])("keeps the last successful save visible after an interrupted run on %s", async (sandboxKey) => {
+it.each([
+  ["same-sandbox", "saved"], ["replacement-sandbox", "saved"],
+  ["same-sandbox", "failed"], ["replacement-sandbox", "failed"],
+])("keeps the last successful checkpoint visible after an interrupted run on %s (prior state %s)", async (sandboxKey, priorState) => {
   const oldSave = {
     folderRun: { runId: "saved-run", manifest: { agentId: "agent", sandboxKey: "same-sandbox" },
-      state: "saved", lastSavedAt: new Date("2026-09-08T12:00:00Z"), error: null, refreshRequested: false },
-    status: "succeeded",
+      state: priorState, lastSavedAt: new Date("2026-09-08T12:00:00Z"), error: null, refreshRequested: false },
+    status: priorState === "failed" ? "failed" : "succeeded",
   };
   const interrupted = {
     folderRun: { runId: "interrupted-run", manifest: { agentId: "agent", sandboxKey },
@@ -60,6 +63,6 @@ it.each(["same-sandbox", "replacement-sandbox"])("keeps the last successful save
   expect(response.body).toEqual([
     expect.objectContaining({ runId: "interrupted-run", state: "failed", active: false,
       error: "Run ended before its final file save completed.", lastSavedAt: null }),
-    expect.objectContaining({ runId: "saved-run", state: "saved", lastSavedAt: "2026-09-08T12:00:00.000Z" }),
+    expect.objectContaining({ runId: "saved-run", state: priorState, lastSavedAt: "2026-09-08T12:00:00.000Z" }),
   ]);
 });
diff --git a/server/src/routes/work-folders.ts b/server/src/routes/work-folders.ts
index 57b68c3f9e..5440ffe820 100644
--- a/server/src/routes/work-folders.ts
+++ b/server/src/routes/work-folders.ts
@@ -87,8 +87,8 @@ export function workFolderRoutes(db: Db, provider?: StorageProvider) {
         sql`${workFolderRuns.manifest}->'folders'->>${owner.scope} = ${folder.id}`))
       .orderBy(desc(workFolderRuns.updatedAt)).limit(100);
     const isActive = (status: string) => status === "running" || status === "queued";
-    const latestCompletedSave = rows.filter(({ folderRun, status }) =>
-      !isActive(status) && folderRun.state === "saved" && folderRun.lastSavedAt !== null)
+    const latestCheckpoint = rows.filter(({ folderRun, status }) =>
+      !isActive(status) && folderRun.lastSavedAt !== null)
       .sort((a, b) => b.folderRun.lastSavedAt!.getTime() - a.folderRun.lastSavedAt!.getTime())[0];
     const projectStatus = ({ folderRun: row, status }: typeof rows[number]) => {
       const active = isActive(status);
@@ -102,13 +102,13 @@ export function workFolderRoutes(db: Db, provider?: StorageProvider) {
       const row = entry.folderRun;
       if (leases.has(row.manifest.sandboxKey)) return [];
       leases.add(row.manifest.sandboxKey);
-      if (!isActive(entry.status) && row.state === "saved" && row.runId !== latestCompletedSave?.folderRun.runId) return [];
+      if (!isActive(entry.status) && row.state === "saved" && row.runId !== latestCheckpoint?.folderRun.runId) return [];
       return [projectStatus(entry)];
     });
     // A failed replacement or later run must not erase the last successful
     // checkpoint, including when both runs share the same physical sandbox.
-    if (latestCompletedSave && !statuses.some((status) => status.runId === latestCompletedSave.folderRun.runId)) {
-      statuses.push(projectStatus(latestCompletedSave));
+    if (latestCheckpoint && !statuses.some((status) => status.runId === latestCheckpoint.folderRun.runId)) {
+      statuses.push(projectStatus(latestCheckpoint));
     }
     res.json(statuses);
   });