feat: persist diff file review checkmarks

src/editor.rs

@@ -4579,6 +4579,13 @@ impl Editor {
         }
         let refresh = diff.refresh_pending();
         let previous_comparison = diff.comparison_id;
+        let restore_reviewed = matches!(
+            &result,
+            Ok(Outcome::Comparison(_)
+                | Outcome::File { .. }
+                | Outcome::CheckoutRefresh(Some(_))
+                | Outcome::BookmarkRefresh(_))
+        );
         if !diff.apply_result(id, result) {
             return false;
         }
@@ -4601,6 +4608,12 @@ impl Editor {
             view.clamp(&self.active.lines);
             self.active.view = view;
         }
+        if let Err(error) = self.initialize_local_review() {
+            self.set_message(format!("Local review: {error}"));
+        }
+        if restore_reviewed && let Some(diff) = &mut self.diff {
+            diff.restore_reviewed_files();
+        }
         let reviewed = self.diff.as_mut().and_then(|diff| {
             (refresh
                 && diff
@@ -4657,9 +4670,6 @@ impl Editor {
             }
         }
         self.finish_review_navigation();
-        if let Err(error) = self.initialize_local_review() {
-            self.set_message(format!("Local review: {error}"));
-        }
         true
     }
 
@@ -5177,6 +5187,9 @@ impl Editor {
                 diff.follow_caret = true;
             }
         }
+        if let Err(error) = self.autosave_local_review() {
+            self.set_message(format!("Review not saved: {error}"));
+        }
         let Some(focus) = self.diff_buffer_focus() else {
             return;
         };
@@ -10027,8 +10040,19 @@ impl Editor {
             };
             if entry.action == Action::DiffReviewToggle {
                 match diff.toggle_reviewed() {
-                    Ok(true) => self.set_message("File marked reviewed"),
-                    Ok(false) => self.set_message("File marked unreviewed"),
+                    Ok(reviewed) => {
+                        if self.resolver().is_none()
+                            && let Err(error) = self.autosave_local_review()
+                        {
+                            self.set_message(format!("Review not saved: {error}"));
+                            return None;
+                        }
+                        self.set_message(if reviewed {
+                            "File marked reviewed"
+                        } else {
+                            "File marked unreviewed"
+                        });
+                    }
                     Err(error) => self.set_message(error),
                 }
                 return None;