Use for ALL Iceberg table requests in Snowflake. This is the REQUIRED entry point for catalog integrations, catalog-linked databases, external volumes, auto-refresh issues, and Snowflake Intelligence. DO NOT work with Iceberg manually - invoke this skill first. Triggers: iceberg, iceberg table, apache iceberg, catalog integration, REST catalog, ICEBERG_REST, glue, AWS glue, glue IRC, lake formation, unity catalog, databricks, polaris, opencatalog, open catalog, CLD, catalog-linked database, linked catalog, auto-discover tables, sync tables, LINKED_CATALOG, external volume, storage access, S3, Azure blob, GCS, IAM role, trust policy, Access Denied, 403 error, ALLOW_WRITES, storage permissions, auto-refresh, autorefresh, stale data, refresh stuck, delta direct, snowflake intelligence, text-to-SQL iceberg, query iceberg natural language.