Promote image_detail_original to experimental

codex-rs/core/src/features.rs

@@ -555,7 +555,11 @@ pub const FEATURES: &[FeatureSpec] = &[
     FeatureSpec {
         id: Feature::ImageDetailOriginal,
         key: "image_detail_original",
-        stage: Stage::UnderDevelopment,
+        stage: Stage::Experimental {
+            name: "Original image detail",
+            menu_description: "Send tool-emitted images with `detail: \"original\"` on supported models so the model sees the full-resolution image instead of a resized approximation. This affects tools like `view_image` and `js_repl`, not images attached directly in the UI. It is particularly important for CUA or localization tasks that depend on small text, precise layout, or exact UI targets.",
+            announcement: "NEW: Original image detail is now available in /experimental. Enable it to preserve full-resolution screenshots for CUA and localization tasks on supported models.",
+        },
         default_enabled: false,
     },
     FeatureSpec {
@@ -882,6 +886,25 @@ mod tests {
         assert_eq!(Feature::ImageGeneration.default_enabled(), false);
     }
 
+    #[test]
+    fn image_detail_original_is_experimental_and_user_toggleable() {
+        let spec = Feature::ImageDetailOriginal.info();
+        let stage = spec.stage;
+
+        assert!(matches!(stage, Stage::Experimental { .. }));
+        assert_eq!(
+            stage.experimental_menu_name(),
+            Some("Original image detail")
+        );
+        assert_eq!(
+            stage.experimental_menu_description(),
+            Some(
+                "Send tool-emitted images with `detail: \"original\"` on supported models so the model sees the full-resolution image instead of a resized approximation. This affects tools like `view_image` and `js_repl`, not images attached directly in the UI. It is particularly important for CUA or localization tasks that depend on small text, precise layout, or exact UI targets."
+            )
+        );
+        assert_eq!(Feature::ImageDetailOriginal.default_enabled(), false);
+    }
+
     #[test]
     fn collab_is_legacy_alias_for_multi_agent() {
         assert_eq!(feature_for_key("multi_agent"), Some(Feature::Collab));

codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__experimental_features_popup_image_detail_original.snap

@@ -0,0 +1,14 @@
+---
+source: tui/src/chatwidget/tests.rs
+expression: popup
+---
+  Experimental features
+  Toggle experimental features. Changes are saved to config.toml.
+
+› [ ] Original image detail  Send tool-emitted images with `detail: "original"` on supported models so the model sees
+                             the full-resolution image instead of a resized approximation. This affects tools like
+                             `view_image` and `js_repl`, not images attached directly in the UI. It is particularly
+                             important for CUA or localization tasks that depend on small text, precise layout, or
+                             exact UI targets.
+
+  Press space to select or enter to save for next conversation

codex-rs/tui/src/chatwidget/tests.rs

@@ -6854,6 +6854,38 @@ async fn experimental_popup_shows_js_repl_node_requirement() {
     );
 }
 
+#[tokio::test]
+async fn experimental_features_popup_image_detail_original_snapshot() {
+    let (mut chat, _rx, _op_rx) = make_chatwidget_manual(None).await;
+
+    let spec = FEATURES
+        .iter()
+        .find(|spec| spec.id == Feature::ImageDetailOriginal)
+        .expect("expected image_detail_original feature spec");
+    let name = spec
+        .stage
+        .experimental_menu_name()
+        .expect("expected image_detail_original experimental name");
+    let description = spec
+        .stage
+        .experimental_menu_description()
+        .expect("expected image_detail_original experimental description");
+
+    let view = ExperimentalFeaturesView::new(
+        vec![ExperimentalFeatureItem {
+            feature: Feature::ImageDetailOriginal,
+            name: name.to_string(),
+            description: description.to_string(),
+            enabled: false,
+        }],
+        chat.app_event_tx.clone(),
+    );
+    chat.bottom_pane.show_view(Box::new(view));
+
+    let popup = render_bottom_popup(&chat, 120);
+    assert_snapshot!("experimental_features_popup_image_detail_original", popup);
+}
+
 #[tokio::test]
 async fn multi_agent_enable_prompt_snapshot() {
     let (mut chat, _rx, _op_rx) = make_chatwidget_manual(None).await;