fix: NewRemoteReview param struct, atomic review+orphan movie delete

crates/application/src/diary/delete_review.rs

@@ -20,29 +20,28 @@ pub async fn execute(deps: &DeleteReviewDeps, cmd: DeleteReviewCommand) -> Resul
     }
 
     let movie_id = review.movie_id().clone();
+    // Read before the write: the orphan event carries the poster to clean up.
+    let poster_path = deps
+        .diary
+        .get_review_history(&movie_id)
+        .await?
+        .movie()
+        .poster_path()
+        .cloned();
+
+    // One write: the review, plus its movie when this was the last review.
     deps.review
-        .delete_review(
+        .delete_review_and_orphaned_movie(
             &review_id,
+            &movie_id,
             &[DomainEvent::ReviewDeleted {
                 review_id: review_id.clone(),
-                user_id: requesting_user_id.clone(),
+                user_id: requesting_user_id,
+            }],
+            &[DomainEvent::MovieDeleted {
+                movie_id: movie_id.clone(),
+                poster_path,
             }],
         )
-        .await?;
-
-    let history = deps.diary.get_review_history(&movie_id).await?;
-    if history.viewings().is_empty() {
-        let poster_path = history.movie().poster_path().cloned();
-        deps.movie_command
-            .delete_movie(
-                &movie_id,
-                &[DomainEvent::MovieDeleted {
-                    movie_id: movie_id.clone(),
-                    poster_path,
-                }],
-            )
-            .await?;
-    }
-
-    Ok(())
+        .await
 }