fixes

src/pages/api/search/semantic.ts

@@ -6,7 +6,7 @@ export const prerender = false;
 
 export const POST: APIRoute = async ({ request }) => {
   try {
-    const { query, maxResults = 50, threshold = 0.15 } = await request.json();
+    const { query, maxResults = 50, threshold = 0.45 } = await request.json();
     
     if (!query || typeof query !== 'string') {
       return new Response(JSON.stringify({
@@ -47,16 +47,19 @@ export const POST: APIRoute = async ({ request }) => {
     
     // Map similarity results back to full tool objects, preserving similarity ranking
     const rankedTools = similarItems
-      .map(similarItem => {
+      .map((similarItem, index) => {
         const tool = toolsData.tools.find(t => t.name === similarItem.name);
-        return tool ? { 
-          ...tool, 
-          _semanticSimilarity: similarItem.similarity,
-          _semanticRank: similarItems.indexOf(similarItem) + 1
-        } : null;
+        return tool
+          ? {
+              ...tool,
+              _semanticSimilarity: similarItem.similarity,
+              _semanticRank: index + 1, // already sorted
+            }
+          : null;
       })
       .filter(Boolean);
 
+
     return new Response(JSON.stringify({
       success: true,
       query: query.trim(),