Chapter 04 · Model Lifecycle
Model Lifecycle as a reviewable surface.
The model lifecycle covers design, training, testing, deployment, monitoring, change, incident response, and retirement. Each stage changes what evidence is needed.
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Model Lifecycle chapter.
FoundationsThe model lifecycle covers design, training, testing, deployment, monitoring, change, incident response, and retirement. Each stage changes what evidence is needed.
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What this page maps.
operating contentDesign
Intended use, user group, workflow fit, risk tier, and acceptance criteria.
Operation
Deployment environment, access, logging, human review, support, and fallback route.
Change
Versioning, retraining, drift handling, updates, rollback, and retirement.
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Governance questions.
review logicWhat decision or record does this model lifecycle surface influence, and who owns that decision?
Which evidence is needed before routine use in Foundations, and where is it retained?
What signal triggers review, restriction, escalation, or retirement?
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Evidence-ready minimum record.
iFeed useOwnerNamed operational, clinical, technical, and governance owners.
UseClear intended use, user group, workflow point, and excluded use.
RiskRisk tier, rationale, residual risks, controls, and escalation route.
EvidenceSource claims, validation basis, limitations, approval decision, and review date.
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Source anchors and claim boundary.
official firstThese anchors support the source layer for this page. iFeed interpretation remains separate from source facts and does not replace legal, regulatory, clinical, or product-specific advice.