diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/mod.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/mod.rs
index ffa1092da..a02e50169 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/mod.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/mod.rs
@@ -157,7 +157,11 @@ pub(crate) async fn separate_ui_impl(
                 Ok(value) => value,
                 Err(error) => {
                     app_log!("ui_separation.error stage=image_edit tree_index={} batch_index={} error={error}", tree_index, batch_index);
-                    write_separation_state(state_path.clone(), &separation).await?;
+                    if let Err(checkpoint_error) =
+                        write_separation_state(state_path.clone(), &separation).await
+                    {
+                        app_log!("ui_separation.error stage=state_checkpoint tree_index={} batch_index={} error={checkpoint_error}", tree_index, batch_index);
+                    }
                     return Err(error);
                 }
             };
@@ -171,7 +175,11 @@ pub(crate) async fn separate_ui_impl(
                 Ok(dimensions) => dimensions,
                 Err(error) => {
                     app_log!("ui_separation.error stage=processed_image_write tree_index={} batch_index={} error={error}", tree_index, batch_index);
-                    write_separation_state(state_path.clone(), &separation).await?;
+                    if let Err(checkpoint_error) =
+                        write_separation_state(state_path.clone(), &separation).await
+                    {
+                        app_log!("ui_separation.error stage=state_checkpoint tree_index={} batch_index={} error={checkpoint_error}", tree_index, batch_index);
+                    }
                     return Err(error);
                 }
             };
@@ -187,7 +195,11 @@ pub(crate) async fn separate_ui_impl(
                 Ok(value) => value,
                 Err(error) => {
                     app_log!("ui_separation.error stage=visual_binding tree_index={} batch_index={} error={error}", tree_index, batch_index);
-                    write_separation_state(state_path.clone(), &separation).await?;
+                    if let Err(checkpoint_error) =
+                        write_separation_state(state_path.clone(), &separation).await
+                    {
+                        app_log!("ui_separation.error stage=state_checkpoint tree_index={} batch_index={} error={checkpoint_error}", tree_index, batch_index);
+                    }
                     return Err(error);
                 }
             };
@@ -232,7 +244,11 @@ pub(crate) async fn separate_ui_impl(
             }
             if let Some(error) = cut_error {
                 app_log!("ui_separation.error stage=cut_batch tree_index={} batch_index={} error={error}", tree_index, batch_index);
-                write_separation_state(state_path.clone(), &separation).await?;
+                if let Err(checkpoint_error) =
+                    write_separation_state(state_path.clone(), &separation).await
+                {
+                    app_log!("ui_separation.error stage=state_checkpoint tree_index={} batch_index={} error={checkpoint_error}", tree_index, batch_index);
+                }
                 return Err(error);
             }
             patch::apply_batch_patch(