diff --git a/inventory-server/src/routes/ai-validation.js b/inventory-server/src/routes/ai-validation.js
index 28b6aa8..5dd1684 100644
--- a/inventory-server/src/routes/ai-validation.js
+++ b/inventory-server/src/routes/ai-validation.js
@@ -53,7 +53,7 @@ router.get('/debug', async (req, res) => {
     console.log('Loading prompt...');
     const currentPrompt = await loadPrompt(pool);
     const sampleData = [{ name: "Sample Product" }];
-    const fullPrompt = currentPrompt + '\n' + JSON.stringify(sampleData, null, 2);
+    const fullPrompt = currentPrompt + '\n' + JSON.stringify(sampleData);
 
     const response = {
       cacheStatus: {
@@ -173,10 +173,9 @@ async function getTaxonomyData(pool) {
       .filter(item => item.level_order === level && item.master_cat_id === parentId)
       .map(item => {
         const children = formatHierarchy(items, level + 1, item.cat_id);
-        return {
-          name: item.name,
-          ...(children.length > 0 ? { subcategories: children } : {})
-        };
+        return children.length > 0 ? 
+          [item.cat_id, item.name, children] :
+          [item.cat_id, item.name];
       });
   };
 
@@ -187,20 +186,19 @@ async function getTaxonomyData(pool) {
       .map(item => {
         const subthemes = items
           .filter(subitem => subitem.master_cat_id === item.cat_id)
-          .map(subitem => subitem.name);
-        return {
-          name: item.name,
-          ...(subthemes.length > 0 ? { subthemes } : {})
-        };
+          .map(subitem => [subitem.cat_id, subitem.name]);
+        return subthemes.length > 0 ? 
+          [item.cat_id, item.name, subthemes] :
+          [item.cat_id, item.name];
       });
   };
 
   cache.taxonomyData = {
     categories: formatHierarchy(categories),
     themes: formatThemes(themes),
-    colors: colors.map(c => c.name),
-    taxCodes: (taxCodes || []).map(tc => ({ id: tc.tax_code_id, name: tc.name })),
-    sizeCategories: (sizeCategories || []).map(sc => ({ id: sc.cat_id, name: sc.name }))
+    colors: colors.map(c => [c.color, c.name]),
+    taxCodes: (taxCodes || []).map(tc => [tc.tax_code_id, tc.name]),
+    sizeCategories: (sizeCategories || []).map(sc => [sc.cat_id, sc.name])
   };
   cache.lastUpdated = Date.now();
 
@@ -260,7 +258,7 @@ router.post('/validate', async (req, res) => {
 
     // Load the prompt and append the products data
     const basePrompt = await loadPrompt(req.app.locals.pool);
-    const fullPrompt = basePrompt + '\n' + JSON.stringify(products, null, 2);
+    const fullPrompt = basePrompt + '\n' + JSON.stringify(products);
     console.log('📝 Generated prompt:', fullPrompt);
 
     console.log('🤖 Sending request to OpenAI...');
diff --git a/inventory/src/pages/AiValidationDebug.tsx b/inventory/src/pages/AiValidationDebug.tsx
index 31d40f1..23c8f0b 100644
--- a/inventory/src/pages/AiValidationDebug.tsx
+++ b/inventory/src/pages/AiValidationDebug.tsx
@@ -168,7 +168,7 @@ export function AiValidationDebug() {
                     id="costPerMillion"
                     type="number"
                     className="w-full px-3 py-2 border rounded-md"
-                    defaultValue="3"
+                    defaultValue="2.50"
                     onChange={(e) => {
                       const costPerMillion = parseFloat(e.target.value)
                       if (!isNaN(costPerMillion)) {