feat(app): add Vercel AI Gateway provider description

packages/app/src/components/settings-providers.tsx

@@ -153,6 +153,11 @@ export const SettingsProviders: Component = () => {
                         {language.t("dialog.provider.openrouter.note")}
                       </span>
                     </Show>
+                    <Show when={item.id === "vercel"}>
+                      <span class="text-12-regular text-text-weak pl-8">
+                        {language.t("dialog.provider.vercel.note")}
+                      </span>
+                    </Show>
                   </div>
                   <Button
                     size="large"

packages/app/src/i18n/en.ts

@@ -97,6 +97,7 @@ export const dict = {
   "dialog.provider.openai.note": "GPT models for fast, capable general AI tasks",
   "dialog.provider.google.note": "Gemini models for fast, structured responses",
   "dialog.provider.openrouter.note": "Access all supported models from one provider",
+  "dialog.provider.vercel.note": "Unified access to AI models with smart routing",
 
   "dialog.model.select.title": "Select model",
   "dialog.model.search.placeholder": "Search models",