integrate ai gateway and improve ui components (#1145)

lib/ai/models.ts

@@ -9,12 +9,12 @@ export interface ChatModel {
 export const chatModels: Array<ChatModel> = [
   {
     id: 'chat-model',
-    name: 'Chat model',
-    description: 'Primary model for all-purpose chat',
+    name: 'Grok Vision',
+    description: 'Advanced multimodal model with vision and text capabilities',
   },
   {
     id: 'chat-model-reasoning',
-    name: 'Reasoning model',
-    description: 'Uses advanced reasoning',
+    name: 'Grok Reasoning',
+    description: 'Uses advanced chain-of-thought reasoning for complex problems',
   },
 ];