Define a model health contract that connects use case, metrics, slices, owners, and actions.
The move: turn monitoring from observation into an operating contract. Map the model's job Name the decision the model affects, the users or systems exposed to that decision, and the failure modes that matter. A churn model, a fraud model, and a routing model can all lose AUC, but the operational harm is different. Mapping prevents generic health checks from replacing context. Measure the behavior Use a small set of signals that cover model quality, data quality, service reliability, and product outcome. The point is not to watch everything. The point is to detect the ways this model can fail…
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