[ HiveTalk/swarm ] feat: Add S3/Tigris storage backend for Blossom media
- Add s3storage.go with StoreBlob, LoadBlob, DeleteBlob, ListBlobs
- Support dual storage: filesystem (default) or S3 via STORAGE_BACKEND env
- Add AWS SDK v2 dependencies for S3-compatible storage
- Update Dockerfile and docker-compose.yml with S3 env variables
- Add S3 configuration docs to .env.example
- Add unit tests for S3 storage functions
- Remove broken standalone test programs from tests/

GitHub
feat: Add S3/Tigris storage backend for Blossom media ยท HiveTalk/swarm@2560a5c
- Add s3storage.go with StoreBlob, LoadBlob, DeleteBlob, ListBlobs
- Support dual storage: filesystem (default) or S3 via STORAGE_BACKEND env
- Add...