How Iceberg REST catalog credential vending replaces static cloud keys with short-lived scoped credentials, what the catalog controls, and how to limit agents.
Where the Iceberg REST catalog v1 protocol strains under BI and agent planning load, and how batch table loading, caching, and stateless servers address it.
Where AI-drafted metric definitions and semantic views help, where they go wrong, and how lineage, programmatic review, and accuracy checks keep them honest.
When zero-copy mirroring to Iceberg works and when it does not: assessing schemas, translating files, rebuilding logic, staying fresh, and validating cutover.
