Manage model artifacts through candidate, validated, staged, production, superseded, and retired states with provenance, approvals, compatibility, and rollback.
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---
name: model-registry-lifecycle
description: Manage model artifacts through candidate, validated, staged, production, superseded, and retired states with provenance, approvals, compatibility, and rollback.
---
# Model Registry Lifecycle
Use when this procedure is the primary professional method needed for the assignment.
## Procedure
1. Confirm the decision or outcome this work must support, its scope, owner, constraints, and definition of success.
2. Establish the evidence baseline using model artifacts, evaluation reports, serving contract, approvals, runtime compatibility, and release history. Do not fill material gaps with assumptions when they can change the result.
3. Define artifact identity and metadata, require evaluation evidence for promotion, preserve serving compatibility, record lineage, and test downgrade/rollback.
4. Exercise realistic edge, failure, transition, or exception cases that could invalidate the result; record unresolved uncertainty explicitly.
5. Validate the output against the original outcome and any neighboring professional contracts so this skill does not silently absorb another specialist's authority.
6. Record the resulting artifact, measurements, decisions, provenance, and handoff information needed for another owner to reproduce or continue the work.
## Quality gate
Every production model is traceable to training/evaluation evidence and can be safely superseded or rolled back.
