make some overall QoL improvements

test/attachments.test.js

@@ -132,6 +132,37 @@ test("account rename retains ownership and account deletion removes pending file
     await assert.rejects(fs.access(path.join(s.directory, key)));
 });
 
+test("workspace archive restores image bytes for another account", async t => {
+    const s = await setup(t);
+    const bytes = await s.image("png");
+    const image = await (await s.upload(bytes)).json();
+    const chatId = await s.chat();
+    assert.equal((await s.api("/chat", {chatId, message: "What is in this image?", attachments: [image.id]})).status, 200);
+    const exported = await s.api("/exports/workspace/archive");
+    assert.equal(exported.status, 200);
+    assert.match(exported.headers.get("content-disposition"), /workspace-backup\.tar\.gz/);
+    const archive = await exported.blob();
+    const destination = await s.register("destination");
+    const form = () => {
+        const data = new FormData();
+        data.append("archive", archive, "workspace.tar.gz");
+        return data;
+    };
+    const base = new URL("/", exported.url).origin;
+    const preview = await fetch(base + "/imports/workspace/archive/preview", {method: "POST", headers: {Cookie: destination}, body: form()});
+    assert.equal(preview.status, 200);
+    assert.equal((await preview.json()).preview.chats, 1);
+    const imported = await fetch(base + "/imports/workspace/archive", {method: "POST", headers: {Cookie: destination}, body: form()});
+    assert.equal(imported.status, 200);
+    const workspace = await (await s.api("/exports/workspace", null, "GET", destination)).json();
+    const restored = workspace.workspace.chats[0].messages[0].attachments[0];
+    assert.notEqual(restored.id, image.id);
+    const download = await s.api(`/attachments/${restored.id}`, null, "GET", destination);
+    assert.equal(download.status, 200);
+    assert.deepEqual(Buffer.from(await download.arrayBuffer()), bytes);
+    assert.equal((await s.api(`/attachments/${restored.id}`)).status, 404);
+});
+
 test("images feed dedicated vision, cache, streamed reasoning, reload and shared branch lifecycle", async t => {
     const s = await setup(t);
     const uploads = [];