diff --git a/apps/web/next.config.ts b/apps/web/next.config.ts
index 481c822..75517ff 100644
--- a/apps/web/next.config.ts
+++ b/apps/web/next.config.ts
@@ -3,6 +3,7 @@ import type { NextConfig } from 'next';
 const nextConfig: NextConfig = {
   transpilePackages: ['@tpmjs/ui', '@tpmjs/utils', '@tpmjs/db', '@tpmjs/types', '@tpmjs/env'],
   reactStrictMode: true,
+  serverExternalPackages: ['vm2', '@tpmjs/package-executor'],
 };
 
 export default nextConfig;
diff --git a/apps/web/src/app/api/tools/[...slug]/execute/route.ts b/apps/web/src/app/api/tools/execute/[...slug]/route.ts
similarity index 100%
rename from apps/web/src/app/api/tools/[...slug]/execute/route.ts
rename to apps/web/src/app/api/tools/execute/[...slug]/route.ts
diff --git a/apps/web/src/app/api/tools/[...slug]/simulations/route.ts b/apps/web/src/app/api/tools/simulations/[...slug]/route.ts
similarity index 100%
rename from apps/web/src/app/api/tools/[...slug]/simulations/route.ts
rename to apps/web/src/app/api/tools/simulations/[...slug]/route.ts
diff --git a/apps/web/src/components/ToolPlayground.tsx b/apps/web/src/components/ToolPlayground.tsx
index a04685f..0cacc3b 100644
--- a/apps/web/src/components/ToolPlayground.tsx
+++ b/apps/web/src/components/ToolPlayground.tsx
@@ -32,6 +32,7 @@ export function ToolPlayground({ tool }: ToolPlaygroundProps): React.ReactElemen
   const [error, setError] = useState<string | null>(null);
   const [rateLimitInfo, setRateLimitInfo] = useState<{ remaining: number } | null>(null);
 
+  // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: SSE stream handling requires sequential logic
   const handleExecute = async () => {
     if (!prompt.trim() || isExecuting) return;
 
@@ -44,7 +45,7 @@ export function ToolPlayground({ tool }: ToolPlaygroundProps): React.ReactElemen
 
     try {
       const response = await fetch(
-        `/api/tools/${encodeURIComponent(tool.npmPackageName)}/execute`,
+        `/api/tools/execute/${encodeURIComponent(tool.npmPackageName)}`,
         {
           method: 'POST',
           headers: {
@@ -253,6 +254,7 @@ export function ToolPlayground({ tool }: ToolPlaygroundProps): React.ReactElemen
             >
               {isExecuting ? (
                 <span className="flex items-center">
+                  {/* biome-ignore lint/a11y/noSvgWithoutTitle: decorative loading spinner */}
                   <svg
                     className="animate-spin -ml-1 mr-3 h-5 w-5"
                     xmlns="http://www.w3.org/2000/svg"
@@ -298,6 +300,7 @@ export function ToolPlayground({ tool }: ToolPlaygroundProps): React.ReactElemen
             ) : isExecuting ? (
               <div className="flex items-center justify-center py-12">
                 <div className="text-center">
+                  {/* biome-ignore lint/a11y/noSvgWithoutTitle: decorative loading spinner */}
                   <svg
                     className="animate-spin h-8 w-8 text-primary mx-auto mb-4"
                     xmlns="http://www.w3.org/2000/svg"
diff --git a/packages/package-executor/src/index.ts b/packages/package-executor/src/index.ts
index 2d9dc8d..6b69949 100644
--- a/packages/package-executor/src/index.ts
+++ b/packages/package-executor/src/index.ts
@@ -3,5 +3,5 @@
  * @packageDocumentation
  */
 
-export * from './types.js';
-export * from './executor.js';
+export * from './types';
+export * from './executor';