feat: add tests (#843)

lib/ai/models.ts

@@ -1,30 +1,5 @@
-import { openai } from '@ai-sdk/openai';
-import { fireworks } from '@ai-sdk/fireworks';
-import {
-  customProvider,
-  extractReasoningMiddleware,
-  wrapLanguageModel,
-} from 'ai';
-
 export const DEFAULT_CHAT_MODEL: string = 'chat-model-small';
 
-export const myProvider = customProvider({
-  languageModels: {
-    'chat-model-small': openai('gpt-4o-mini'),
-    'chat-model-large': openai('gpt-4o'),
-    'chat-model-reasoning': wrapLanguageModel({
-      model: fireworks('accounts/fireworks/models/deepseek-r1'),
-      middleware: extractReasoningMiddleware({ tagName: 'think' }),
-    }),
-    'title-model': openai('gpt-4-turbo'),
-    'artifact-model': openai('gpt-4o-mini'),
-  },
-  imageModels: {
-    'small-model': openai.image('dall-e-2'),
-    'large-model': openai.image('dall-e-3'),
-  },
-});
-
 interface ChatModel {
   id: string;
   name: string;