Sandbox not initialized error when processing GitHub repo via interactive CLI

[potranquito]

I ran into a problem when trying to use the homework-grader tool to process a GitHub repository. The CLI successfully fetched the GitHub URL from my connected Notion database, but failed during processing with the following error:

✗ Failed to process GitHub URL github.com/potranquito/wildlife-organization-tool: Error: Sandbox not initialized. Call initialize() first.

at SandboxService.cloneRepository (file:///.../sandbox-service.js:60:19)
at SandboxService.processGitHubUrl (file:///.../sandbox-service.js:267:43)
at file:///.../interactive-cli.js:193:73
at Array.map ()
at processGitHubUrls (file:///.../interactive-cli.js:177:57)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)

At the end, it reports:

✓ Processing complete! Processed 1 repositories.
✓ Successful: 0
✗ Failed: 1
🧹 Cleaning up sandbox...
ℹ No sandbox to cleanup

Steps to reproduce:

• Cloned the repo and installed dependencies following the README.
• Connected environment variables (including ECB sandbox and Notion integration).
• Ran the interactive CLI and selected the Notion database.
• Selected a GitHub repo (github.com/potranquito/wildlife-organization-tool) for grading.
• The CLI fetched the URL but failed to initialize the sandbox.

Actual behavior:
Fails with Sandbox not initialized. Call initialize() first. and exits without processing.

Additional context:

• Happens whether I configure the ECB sandbox or not.

[trancethehuman]

Hi! Were you able to add an E2B key? @potranquito

[potranquito]

Hi! Were you able to add an E2B key? @potranquito

yes, I added a E2B key in my .env

it seemed like everything was processing fine and then last step it would fail. I'll try again this weekend and see if the results are different. maybe human error.

[potranquito]

i tested it out more, made some changes and I got it to work. Really helpful suggestions - thanks for building this.