Set Storage Env Vars
Prefer platform CLI env injection when available, else write .env.local with consent.
No secret echo
Show key names only in responses. Never print secret values.
# S3
AWS_ACCESS_KEY_ID=...
AWS_SECRET_ACCESS_KEY=...
AWS_REGION=us-east-1
AWS_S3_BUCKET=...
# Supabase
SUPABASE_STORAGE_BUCKET=...