- Add S3 client helper (src/lib/s3.ts) with upload/download functions
- Add /api/deployments/[uuid]/preview endpoint for presigned URLs
- Update DeploymentDashboard to fetch and display preview images
- Install @aws-sdk/client-s3 and @aws-sdk/s3-request-presigner
Storage: MinIO bucket nuc-portal-previews with dedicated service account
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>