Update app.js

app.js

@@ -229,7 +229,7 @@ app.post('/onboarding/create', validateRequest, async (req, res) => {
             if (imgResult) {
                 thumbnailBase64 = imgResult.image;
                 // Add token usage for text + fixed cost
-                basicTokens += (imgResult.usage?.totalTokenCount || 0); 
+                basicTokens += (imgResult.usage || 0); 
                 if (imgResult.image) basicTokens += IMAGE_COST_BASIC;
             }
         }