fix(coprocessor): sns-worker, silent fetch error reported by Claude

Author: rudy-6-4

coprocessor/fhevm-engine/sns-worker/src/aws_upload.rs

@@ -564,6 +564,8 @@ async fn fetch_pending_uploads(
                 } else {
                     error!(handle = hex::encode(&handle), "Missing ciphertext");
                 }
+            } else {
+                error!(handle = hex::encode(&handle), "Failed to fetch ciphertext");
             }
         }
 
@@ -589,6 +591,11 @@ async fn fetch_pending_uploads(
                 } else {
                     error!(handle = hex::encode(&handle), "Missing ciphertext128");
                 }
+            } else {
+                error!(
+                    handle = hex::encode(&handle),
+                    "Failed to fetch ciphertext128"
+                );
             }
         }
 

coprocessor/fhevm-engine/sns-worker/src/tests/mod.rs

@@ -225,8 +225,8 @@ async fn run_batch_computations(
     info!(elapsed = ?elapsed, batch_size, "Batch execution completed");
 
     // Assert that all ciphertext128 objects are uploaded to S3
-    assert_ciphertext_s3_object_count(test_env, bucket128, batch_size as i64).await;
-    assert_ciphertext_s3_object_count(test_env, bucket64, batch_size as i64).await;
+    assert_ciphertext_s3_object_count(test_env, bucket128, 2 * batch_size as i64).await;
+    assert_ciphertext_s3_object_count(test_env, bucket64, 2 * batch_size as i64).await;
 
     anyhow::Result::<()>::Ok(())
 }