Revision History: 028-sagemaker-featurestore Shell (CLI script) 2025-08-01 v-b1 initial attempt Type: functional Initial version 2025-09-12 v1 published Type: functional unordered list bullets and trailing whitespace 2026-04-22 v2 shared bucket Type: functional Script checks for prereq bucket stack before creating its own S3 bucket Skips bucket deletion if using shared bucket