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feat(environments): support existing Linux virtual machines - #245
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Initialize workspace identity during recovery and preserve temporary file ownership when callers cancel after creation. Apply archive permissions through the open write descriptor so unreadable modes survive transfers.
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October 24, 2026 10:11
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Adds an Environment adapter for existing Linux virtual machines reached through OpenSSH. Commands and file operations reuse the current local environment implementation in the guest. Durable operation IDs recover original results after SSH interruptions, and cancellation stops owned descendants before returning the environment.
Binary transfers stream beyond command-output limits and publish through owned staging on the destination filesystem. Host keys remain strictly verified. VM connection settings and path validation live in
adapters/vm_config.py, with public imports supplied throughopencollab.environments. English and Chinese guides cover preparation, execution, recovery and the opt-in SSH tests.Independent review found and repaired operation admission after cleanup during initial SSH setup. Download cleanup now waits for transfer, unpacking and publication, and retains failed transfer ownership for a later termination retry.
Validation covers real Linux SSH execution, interrupted uploads, setup and cleanup races, binary and permission-preserving transfers, real subprocess termination failure and retry, archive safety, package imports and architectural dependency checks. #246 adds machine allocation and #247 connects public execution profiles.