How an Open SWE workspace's sandbox image works and how to change it — create one, edit or fork an existing one, start from scratch, what setup_script and update_script are for, why a nightly refresh failed, where the build logs are, and how to read a rebuild in progress. Read this whenever someone asks about workspaces, snapshots, sandbox images, or a refresh, whether or not this is an admin thread.
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tessl scenario generatetessl eval runlangchain-ai/open-swe
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