fix: key review checkmarks by file snapshots instead of revision pairs

src/repository.rs

@@ -2770,6 +2770,7 @@ impl Repository {
                 continue;
             }
             files.push(ChangedFile {
+                review_revisions: None,
                 path: path.clone(),
                 old_path: None,
                 status: if a.is_none() {
@@ -2827,6 +2828,10 @@ impl Repository {
             .files
             .iter()
             .map(|(path, old_path, status)| ChangedFile {
+                review_revisions: Some([
+                    review_file_revision(prepared.left.get(old_path.as_ref().unwrap_or(path))),
+                    review_file_revision(prepared.right.get(path)),
+                ]),
                 path: path.clone(),
                 old_path: old_path.clone(),
                 status: *status,
@@ -2902,6 +2907,7 @@ impl Repository {
         )?;
         file.status = *status;
         file.old_path = old_path.clone();
+        file.review_revisions = Some([review_file_revision(before), review_file_revision(after)]);
         Ok(file)
     }
     fn changed_file(
@@ -2972,6 +2978,7 @@ impl Repository {
         };
         notices.dedup();
         Ok(ChangedFile {
+            review_revisions: None,
             path: path.to_path_buf(),
             old_path: None,
             status,
@@ -2990,6 +2997,14 @@ impl Repository {
     }
 }
 
+fn review_file_revision(file: Option<&FileData>) -> String {
+    // Git object IDs cover exact bytes (including binary data and EOF), without loading blobs.
+    format!(
+        "file:{}",
+        serde_json::to_string(&file.map(file_identity)).unwrap()
+    )
+}
+
 fn file_identity(file: &FileData) -> (&str, Option<&str>, &[u8], Option<&str>) {
     (
         &file.mode,