fix: integrate Claude CLI provider state

packages/ui/src/lib/smallModelRequest.ts

@@ -0,0 +1,27 @@
+import { toast } from 'sonner';
+import { runtimeFetch } from '@/lib/runtime-fetch';
+
+const SMALL_MODEL_TOAST_ID = 'small-model-unavailable';
+
+const notifySmallModelUnavailable = (): void => {
+  toast.error('Small Model unavailable', {
+    id: SMALL_MODEL_TOAST_ID,
+    description: 'Choose another model in Settings → Sessions → Small Model and try again.',
+  });
+};
+
+export async function requestSmallModel(
+  init: RequestInit,
+  options: { silentStatuses?: number[] } = {},
+): Promise<Response> {
+  try {
+    const response = await runtimeFetch('/api/small-model/generate', init);
+    if (!response.ok && !options.silentStatuses?.includes(response.status)) {
+      notifySmallModelUnavailable();
+    }
+    return response;
+  } catch (error) {
+    notifySmallModelUnavailable();
+    throw error;
+  }
+}