From 0f94ab4eccec40bad42aa31b3adc6dbf9cb50d7a Mon Sep 17 00:00:00 2001
From: clover caruso <git@paperclover.net>
Date: Mon, 5 Oct 2026 23:40:33 -0700
Subject: [PATCH] fix: return the confirmed stamp for replayed Live Share
 batches

Refresh the stable section image after metadata-only confirmation before caching or acknowledging a duplicate batch. Preserve Committed classification when the refresh fails.

fixes #103

Assisted-by: gpt-6.1-sol
---
 crates/notebook/src/live/share/batch.rs | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/crates/notebook/src/live/share/batch.rs b/crates/notebook/src/live/share/batch.rs
index c7571f9595cfccb882ced3aad7a9b030e92749e4..e2c77ee6a98f2766522112ac3916fd47a120cec3 100644
--- a/crates/notebook/src/live/share/batch.rs
+++ b/crates/notebook/src/live/share/batch.rs
@@ -150,7 +150,18 @@ impl Served {
             None => self
                 .storage
                 .confirm(path, &Stamp::of(&image).expect("section stamp"))
-                .map_err(Error::from),
+                .map_err(Error::from)
+                .and_then(|()| {
+                    image = self.image(path).map_err(|error| CommitError {
+                        state: CommitState::Committed,
+                        error: match error {
+                            Error::Io(error) | Error::RemoteIo(error) => error,
+                            Error::Remote(error) => error.error,
+                            error => io::Error::other(error),
+                        },
+                    })?;
+                    Ok(())
+                }),
         };
         if result.is_ok() {
             self.tell_delta(path, &before, &image, None);
@@ -413,6 +424,17 @@ mod tests {
         let repeated = served.batch(&peer, request).unwrap();
         assert!(repeated.failure.is_none(), "{:?}", repeated.failure);
         let replayed = std::fs::read(folder.join(path)).unwrap();
+        let confirmed = Stamp::of(&replayed).unwrap();
+        assert_eq!(
+            Stamp::try_from(repeated.stamp.as_ref().unwrap()).unwrap(),
+            confirmed
+        );
+        {
+            let images = served.images.lock().unwrap();
+            let (_, held, image) = images.iter().find(|(held, _, _)| held == path).unwrap();
+            assert_eq!(*held, confirmed);
+            assert_eq!(**image, replayed);
+        }
         assert_eq!(&replayed[1024..], &committed[1024..]);
         let replay_arena = Arena::default();
         let replay = Section::open(&replay_arena, replayed).unwrap();
-- 
2.54.0