Ephemeral Generators Need a Review Boundary
A free model and a free server change your budget, not your threat model. The interesting engineering problem is the boundary around the generator. I review that boundary before any generated diff reaches a repository. This is an architecture review, not a product tour. I assume the workspace is disposable, the model may change under me, and nothing persists unless I write it somewhere durable.…
The report discusses the need for reviewing the boundary around ephemeral generators, which are tools that generate code or changes in a temporary workspace before applying them to a main repository. The author advocates for treating free workspaces as disposable and assuming that model strings may change, egress can occur, and the repository itself may contain input that the generator does not control.
Four key assumptions are made to drive the design of the review process: the workspace is ephemeral, the model may change, egress should be denied by default, and the repository is an input that cannot be controlled. The report outlines a data flow consisting of five stages: prompt input, ephemeral workspace creation, diff generation, packet building, and reviewer decision.
The final packet contains a fingerprint and classification of the generated changes, providing a more comprehensive review than just the diff alone. The author provides a shell script example of how to implement this review process.
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