@@ -7,7 +7,7 @@ story("separates model capabilities in the Simplified Chinese flyout", async ({
   await page.mouse.move(0, 0)
   await dialog.locator('[data-option-key="openai:gpt-5.6-sol"]').hover()
   const flyout = page.locator('[data-slot="model-dialog-flyout"]')
-  await expect(flyout.getByText("Text、Image和Tools", { exact: true })).toBeVisible()
+  await expect(flyout.getByText("Text、Image、Tools", { exact: true })).toBeVisible()
 })
 
 story("opens a neighbouring tooltip without the open delay", async ({ mount, page }) => {
 
@@ -36,8 +36,9 @@ export function ModelDetails(props: {
 
   const label = (type: Input) => language.t(`model.details.input.${type}`)
 
+  // Narrow conjunction separates labels in Chinese and preserves the comma-only English list.
   const summary = () =>
-    new Intl.ListFormat(language.intl(), { style: "short", type: "conjunction" }).format([
+    new Intl.ListFormat(language.intl(), { style: "narrow", type: "conjunction" }).format([
       ...input().map(label),
       ...(props.model.capabilities.toolcall ? [language.t("model.details.tools")] : []),
     ])