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Modeling Lab
Product Model Architecture
Design assumptions, mechanics, outputs, sensitivities, validation, and documentation as a reviewable model system.

Decision Lens
Make the structure visible.
The purpose of a lab page is to show how the analytical problem can be decomposed before implementation or formal review.
Model purposeWhat decision is the model built to support and who relies on it?
Assumption inventoryWhat is observed, estimated, selected, stressed, or judgmental?
Cash-flow mechanicsHow do premiums, benefits, claims, expenses, lapses, investment assumptions, and financial terms interact?
ValidationWhich reconciliations, benchmarks, movement tests, and reasonableness checks are appropriate?