diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/mod.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/mod.rs
index 6e8a0f6fa..5350db82d 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/mod.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/mod.rs
@@ -1,4 +1,5 @@
 mod area;
+pub(crate) mod image_preprocess;
 mod model;
 mod persistence;
 mod prompt;
diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/extract.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/extract.rs
index 88a48d5f7..45096b14a 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/extract.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow/extract.rs
@@ -15,7 +15,7 @@ struct RawEditItem {
     b64_json: String,
 }
 
-pub(super) async fn raw_image_edit(
+pub(super) async fn raw_extract(
     session: &PlatformSessionSnapshot,
     image_data_url: &str,
     prompt: &str,
@@ -23,7 +23,7 @@ pub(super) async fn raw_image_edit(
     height: u32,
 ) -> Result<String, String> {
     let started = Instant::now();
-    let result = raw_image_edit_inner(session, image_data_url, prompt, width, height).await;
+    let result = raw_extract_inner(session, image_data_url, prompt, width, height).await;
     app_log!(
         "ui_separation.image_edit.timing outcome={} elapsed_ms={} width={} height={}",
         if result.is_ok() { "ok" } else { "error" },
@@ -34,7 +34,7 @@ pub(super) async fn raw_image_edit(
     result
 }
 
-async fn raw_image_edit_inner(
+async fn raw_extract_inner(
     session: &PlatformSessionSnapshot,
     image_data_url: &str,
     prompt: &str,
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 0a9a5c652..b6b245a8b 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
@@ -1,6 +1,6 @@
 mod binding;
 mod cut;
-mod image_edit;
+mod extract;
 mod patch;
 
 pub use patch::apply_batch_patch;
@@ -128,7 +128,7 @@ pub(crate) async fn separate_ui_impl(
                 tree_index, batch_index, batch.len(), prompt.chars().count(),
                 batch.iter().map(|node| node.rework_count).sum::<u32>()
             );
-            let processed_url = match image_edit::raw_image_edit(
+            let processed_url = match extract::raw_extract(
                 &session,
                 &source_url,
                 &prompt,
@@ -146,15 +146,20 @@ pub(crate) async fn separate_ui_impl(
             };
             let processed_path = sidecar.join(format!("processed-{}.png", separation.bound.len()));
             if let Err(error) =
-                image_edit::write_processed_image(processed_url.clone(), processed_path.clone())
+                extract::write_processed_image(processed_url.clone(), processed_path.clone())
                     .await
             {
                 app_log!("ui_separation.error stage=processed_image_write tree_index={} batch_index={} error={error}", tree_index, batch_index);
                 write_separation_state(&state_path, &separation)?;
                 return Err(error);
             }
-            let binding = match binding::visual_binding(source_url.clone(), processed_url, &batch)
-                .await
+            let binding = match binding::visual_binding(
+                source_url.clone(),
+                processed_url,
+                sidecar.clone(),
+                &batch,
+            )
+            .await
             {
                 Ok(value) => value,
                 Err(error) => {