A centralized model registry acts as the single source of truth for all model artifacts, metadata, and lineage. It enforces stage transitions (Staging -> Production -> Archived) and integrates with CI/CD pipelines for safe, automated promotions. This is the core of a ModelOps control plane.\n- Key Benefit: Full audit trail for every model decision, enabling compliance.\n- Key Benefit: One-click, low-risk rollbacks to previous stable versions.\n- Key Benefit: Enforces access controls and approval gates, securing the model supply chain.