fix: prompt enhancer [object] issue

app/lib/hooks/usePromptEnhancer.ts

@@ -1,6 +1,7 @@
 import { useState } from 'react';
 import { createScopedLogger } from '~/utils/logger';
-import { providerStore } from '~/lib/stores/provider';
+import { providerStore } from '../stores/provider';
+import { useStore } from '@nanostores/react';
 
 const logger = createScopedLogger('usePromptEnhancement');
 
@@ -13,15 +14,19 @@ export function usePromptEnhancer() {
     setPromptEnhanced(false);
   };
 
+  const provider = useStore(providerStore);
+
   const enhancePrompt = async (input: string, setInput: (value: string) => void) => {
     setEnhancingPrompt(true);
     setPromptEnhanced(false);
 
+    const providerValue = provider === 'anthropic' ? 'anthropic' : { type: 'together', model: provider.model };
+
     const response = await fetch('/api/enhancer', {
       method: 'POST',
       body: JSON.stringify({
         message: input,
-        provider: providerStore.get(),
+        provider: providerValue,
       }),
     });
 

app/routes/api.enhancer.ts

@@ -41,8 +41,15 @@ async function enhancerAction({ context, request }: ActionFunctionArgs) {
           .split('\n')
           .filter((line) => line !== '')
           .map(parseStreamPart)
-          .map((part) => part.value)
+          .map((part) => {
+            if (typeof part.value === 'string') {
+              return part.value;
+            }
+            // If it's an object, it's likely metadata we don't want to send to the client
+            return '';
+          })
           .join('');
+
         controller.enqueue(encoder.encode(processedChunk));
       },
     });
@@ -51,7 +58,7 @@ async function enhancerAction({ context, request }: ActionFunctionArgs) {
 
     return new StreamingTextResponse(transformedStream);
   } catch (error) {
-    console.log(error);
+    console.error("Error in enhancerAction:", error);
 
     throw new Response(null, {
       status: 500,