- Use DEV_S3_ARTIFACTS_BUCKET and PROD_S3_ARTIFACTS_BUCKET in 06_install
instead of generic S3_ARTIFACTS_BUCKET to prevent cross-env reads
- Add terraform/environments/*.tfvars to .gitignore to prevent secret leaks
- Update prod backend state bucket name to proyectosacc-specific bucket
- Add CI/CD credential policy documentation
Aligns bitbucket-pipelines.yml with CCsoft CI/CD convention
<Env>_S3_FRONTEND_BUCKET and <Env>_S3_ARTIFACTS_BUCKET.
Branches already use master/developer.