Add ability to specify variables/secrets through the UI

[neubig]

What problem or use case are you trying to solve?

Sometimes we want to pass in secrets to the agent, e.g. API keys.

Describe the UX of the solution you'd like

Currently it is possible to pass in secrets through the command line by setting the SANDBOX_XXX variable.
It would be good to be able to:

1. pass in environment variables through the UI.
2. be able to specify which variables are secrets, and thus should not be displayed through the UI (like what currently happens for GITHUB_TOKEN).

We can implement this feature and test it. I don't have time to see it through to the end at the moment, but if someone can supervise OpenHands, please feel free to click "fix-me" and claim the issue.

[Monkub81]

O

[github-actions]

This issue is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[github-actions]

This issue is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[github-actions]

This issue was closed because it has been stalled for over 30 days with no activity.