Review Ephemeral Writes Unification Commit
Review the code changes introduced by commit 3387cbb8c ("checkpoint: unify ephemeral writes behind Write(EphemeralWriteRequest)"). Provide prioritized, actionable findings.
{"findings":[{"title":"[P3] Handle pointer-valued ephemeral write requests","body":"Because the marker methods have value receivers, *WriteCheckpoint and *WriteTask also satisfy EphemeralWriteRequest. A caller can therefore pass &checkpoint.WriteCheckpoint{...} and compile, but this type switch only handles the value cases and returns unsupported ephemeral write request; add pointer cases or otherwise make pointer requests impossible to pass.","confidence_score":0.86,"priority":3,"code_location":{"absolute_file_path":"/Users/soph/Work/entire/devenv/cli_experiments_2/cmd/entire/cli/checkpoint/ephemeral_write.go","line_range":{"start":29,"end":33}}}],"overall_correctness":"patch is incorrect","overall_explanation":"The in-repo migrations compile, but the new exported write-union API accepts pointer-valued requests that the dispatcher rejects at runtime. This is a discrete API bug introduced by the new Write(EphemeralWriteRequest) surface.","overall_confidence_score":0.84}