Writing
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SAP IS-U migration vs replacement, framed as a decision rather than a foregone conclusion. The 2026 arithmetic, five real paths, and the data defects that reverse the recommendation.
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A pilot that performs well offline is not approved for production. A weighted gate covering value, safety, auditability, reliability, adoption and cost, with automatic no-go conditions, threshold definitions, and a worked value calculation.
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Almost every production AI system keeps a human as the last gate. Remove them and the engineering problem changes category, from accuracy to accountability. Five properties a system needs before it is allowed to act on its own.