feat(sandbox): support ReadableStream upload and auto refresh workspace (#7209)

projects/app/src/pageComponents/chat/SandboxEditor/hook.tsx

@@ -605,7 +605,7 @@ export const useSandboxFileStore = ({
           if (!hasPendingWorkspaceRefreshRef.current) {
             const filesToReload =
               openedFilesRef.current
-                ?.filter((f) => !f.isDirty && !f.isLoading && !f.isBinary && !f.isUnknown)
+                ?.filter((f) => !f.isDirty && !f.isLoading && !f.isUnknown)
                 .map((f) => ({
                   path: f.path,
                   language: f.language,
@@ -654,6 +654,14 @@ export const useSandboxFileStore = ({
                       item.content === snapshot.content &&
                       item.etag === snapshot.etag
                     ) {
+                      if (
+                        item.isBinary &&
+                        item.content.startsWith('blob:') &&
+                        item.content !== update.content
+                      ) {
+                        URL.revokeObjectURL(item.content);
+                      }
+
                       return {
                         ...item,
                         content: update.content,
@@ -1579,6 +1587,7 @@ export const useSandboxFileStore = ({
         uploadTasks.push({ path, file });
       }
 
+      let hasUploaded = false;
       try {
         for (const task of uploadTasks) {
           await uploadSandboxFile({
@@ -1588,6 +1597,7 @@ export const useSandboxFileStore = ({
             path: task.path,
             file: task.file
           });
+          hasUploaded = true;
         }
       } catch (error) {
         console.error('Failed to upload files:', error);
@@ -1596,9 +1606,23 @@ export const useSandboxFileStore = ({
           description: getErrText(error),
           status: 'error'
         });
+      } finally {
+        if (hasUploaded) {
+          await refreshWorkspace({ preserveExpandedDirs: true });
+        }
       }
     },
-    [chatId, fileTree, maxFileBytes, maxFileSizeMB, outLinkAuthData, sandboxTarget, toast, t]
+    [
+      chatId,
+      fileTree,
+      maxFileBytes,
+      maxFileSizeMB,
+      outLinkAuthData,
+      refreshWorkspace,
+      sandboxTarget,
+      toast,
+      t
+    ]
   );
 
   // 展开折叠目录

sdk/sandbox-adapter/src/adapters/SealosDevboxAdapter/api.ts

@@ -10,6 +10,15 @@ import {
   type UploadFileParams,
   type UploadResponseData
 } from './type';
+import { isReadableStreamData } from '@/utils/files';
+
+type StreamingRequestInit = RequestInit & {
+  /**
+   * Node fetch requires this extension when the request body is a stream.
+   * Browser typings do not expose it yet, but undici accepts the field.
+   */
+  duplex?: 'half';
+};
 
 export class DevboxApiError extends Error {
   constructor(
@@ -138,11 +147,16 @@ export class DevboxApi {
     if (params.timeoutSeconds != null) queryParams.timeoutSeconds = String(params.timeoutSeconds);
     if (params.container) queryParams.container = params.container;
 
-    return this.request(this.url(`/api/v1/devbox/${name}/files/upload`, queryParams), {
+    const requestInit: StreamingRequestInit = {
       method: 'POST',
       headers: { 'Content-Type': 'application/octet-stream' },
       body: content
-    });
+    };
+    if (isReadableStreamData(content)) {
+      requestInit.duplex = 'half';
+    }
+
+    return this.request(this.url(`/api/v1/devbox/${name}/files/upload`, queryParams), requestInit);
   }
 
   private buildDownloadFileUrl(name: string, params: DownloadFileParams): string {

sdk/sandbox-adapter/src/adapters/SealosDevboxAdapter/index.ts

@@ -19,7 +19,7 @@ import { DevboxApi, DevboxApiError } from './api';
 import { DevboxPhaseEnum, type DevboxCreateRequest, type DevboxInfoData } from './type';
 import { formatImageSpec, parseImageSpec } from '@/utils/image';
 import { joinUrlPath, normalizePathPrefix } from '@/utils/url';
-import { fileDataToUint8Array } from '@/utils/files';
+import { fileDataToUint8Array, isReadableStreamData } from '@/utils/files';
 
 const GET_INFO_RETRY_TIMEOUT_MS = 30_000;
 const GET_INFO_RETRY_INTERVAL_MS = 1_000;
@@ -319,8 +319,13 @@ export class SealosDevboxAdapter extends BaseSandboxAdapter {
     for (const entry of entries) {
       const normalizedPath = this.normalizePath(entry.path);
       try {
-        const content = await fileDataToUint8Array(entry.data);
-        const bytesWritten = content.byteLength;
+        const uploadBody = await (async () => {
+          if (isReadableStreamData(entry.data)) {
+            return entry.data;
+          }
+
+          return fileDataToUint8Array(entry.data);
+        })();
 
         let modeStr: string | undefined;
         if (entry.mode !== undefined) {
@@ -333,14 +338,21 @@ export class SealosDevboxAdapter extends BaseSandboxAdapter {
             path: normalizedPath,
             mode: modeStr
           },
-          content
+          uploadBody
         );
 
         if (res.code !== 200) {
           throw new Error(res.message || `Upload failed with code ${res.code}`);
         }
 
-        results.push({ path: normalizedPath, bytesWritten, error: null });
+        const bytesWritten =
+          res.data?.sizeBytes ?? (uploadBody instanceof Uint8Array ? uploadBody.byteLength : 0);
+
+        results.push({
+          path: normalizedPath,
+          bytesWritten,
+          error: null
+        });
       } catch (error) {
         results.push({
           path: normalizedPath,

sdk/sandbox-adapter/tests/unit/adapters/SealosDevboxAdapter.test.ts

@@ -549,6 +549,59 @@ describe('SealosDevboxAdapter', () => {
         body: new TextEncoder().encode('hello world')
       })
     );
+    expect(fetchMock.mock.calls[0]?.[1]).not.toHaveProperty('duplex');
+  });
+
+  it('should upload ReadableStream through SealosDevbox without buffering', async () => {
+    const uploadStream = new ReadableStream<Uint8Array>({
+      start(controller) {
+        controller.enqueue(new TextEncoder().encode('streamed '));
+        controller.enqueue(new TextEncoder().encode('content'));
+        controller.close();
+      }
+    });
+    const fetchMock = vi.fn(async () => ({
+      json: async () => ({
+        code: 200,
+        message: 'ok',
+        data: {
+          name: 'devbox-1',
+          podName: 'pod-1',
+          container: 'c1',
+          path: '/home/devbox/workspace/stream.txt',
+          sizeBytes: 16,
+          mode: '0644',
+          uploadedAt: '2026-06-02T10:00:00Z',
+          timeoutSecond: 300
+        }
+      })
+    }));
+    vi.stubGlobal('fetch', fetchMock);
+
+    const adapter = new SealosDevboxAdapter(CONFIG, {
+      workingDir: '/home/devbox/workspace'
+    });
+
+    const results = await adapter.writeFiles([
+      {
+        path: 'stream.txt',
+        data: uploadStream
+      }
+    ]);
+
+    expect(results).toHaveLength(1);
+    expect(results[0].error).toBeNull();
+    expect(results[0].bytesWritten).toBe(16);
+    expect(results[0].path).toBe('/home/devbox/workspace/stream.txt');
+    expect(fetchMock).toHaveBeenCalledWith(
+      'https://devbox-server.example.com/api/v1/devbox/devbox-1/files/upload?path=%2Fhome%2Fdevbox%2Fworkspace%2Fstream.txt',
+      expect.objectContaining({
+        method: 'POST',
+        headers: expect.any(Headers),
+        body: uploadStream,
+        duplex: 'half'
+      })
+    );
   });
 
   it('should download file through SealosDevbox api.downloadFile', async () => {