fix

Author: hamlsy

src/main/java/com/example/echoshotx/video/presentation/dto/response/VideoDetailResponse.java

@@ -37,9 +37,9 @@ public static VideoDetailResponse from(Video video) {
                 .videoId(video.getId())
                 .originalFileName(video.getOriginalFile().getFileName())
                 .s3OriginalKey(video.getOriginalFile().getS3Key())
-                .s3ProcessedKey(video.getProcessedVideo().getS3Key())
+                .s3ProcessedKey(video.getProcessedVideo() != null ? video.getProcessedVideo().getS3Key() : null)
                 .s3ThumbnailKey(video.getS3ThumbnailKey())
-                .fileSizeBytes(video.getProcessedVideo().getFileSizeBytes())
+                .fileSizeBytes(video.getProcessedVideo() != null ? video.getProcessedVideo().getFileSizeBytes() : null)
                 .status(video.getStatus())
                 .processingType(video.getProcessingType())
                 .metadata(video.getProcessedMetadata())

src/test/java/com/example/echoshotx/video/application/usecase/GetVideoUseCaseTest.java

@@ -253,3 +253,4 @@ void execute_ThrowsException_WhenMemberMismatch() {
         }
     }
 }
+