feat: streaming video download via ImageStorage::get_stream

crates/domain/src/ports.rs

@@ -188,6 +188,10 @@ pub trait ImageStorage: Send + Sync {
     /// Stores `image_bytes` at `key` and returns the stored key.
     async fn store(&self, key: &str, image_bytes: &[u8]) -> Result<String, DomainError>;
     async fn get(&self, key: &str) -> Result<Vec<u8>, DomainError>;
+    async fn get_stream(
+        &self,
+        key: &str,
+    ) -> Result<futures::stream::BoxStream<'static, Result<bytes::Bytes, DomainError>>, DomainError>;
     async fn delete(&self, key: &str) -> Result<(), DomainError>;
 }