docs(blog): add Running Claude Code on Agent Substrate post

src/app/blog/authors.ts

@@ -70,6 +70,13 @@ export const authors: Author[] = [
     photo: "",
     bio: "Petr, Engineer at Solo.io, comes from a background as a solution architect and developer, now focusing on Service Mesh technologies with public clouds.",
   },
+  {
+    id: "hugoguerrero",
+    name: "Hugo Guerrero",
+    title: "Senior AI Architect, Solo.io",
+    photo: "/images/authors/hugoguerrero.jpg",
+    bio: "Hugo Guerrero is an AI architect and open source advocate exploring agentic AI, MCP, and the infrastructure that connects agents to the world.",
+  },
 ];
 
 export const getAuthorById = (id: string): Author | undefined => {

src/app/blog/page.tsx

@@ -14,6 +14,13 @@ function shortDate(date: string) {
 }
 
 const posts = [
+    {
+        slug: 'migrate-openshell-claude-code-to-agent-substrate-kagent',
+        publishDate: '2026-10-07',
+        title: 'Running Claude Code on Agent Substrate: What Changes from OpenShell',
+        description: 'Running Claude Code in an OpenShell sandbox? Move it to kagent 1.x and Agent Substrate with no image to build: the Claude runtime is built in, and idle agents stop holding compute.',
+        authorId: 'hugoguerrero',
+    },
     {
         slug: 'kagent-agent-substrate-sandboxes',
         publishDate: '2026-09-21',

src/mdx-components.tsx

@@ -173,7 +173,7 @@ export function useMDXComponents(components: MDXComponents): MDXComponents {
       ),
       img: ({ ...props }) => (
         <figure>
-          <Image src={props.src} alt={props.title} width="0" height="0" sizes="100vw" className="w-full h-auto" />
+          <Image src={props.src} alt={props.alt ?? props.title ?? ""} width="0" height="0" sizes="100vw" className="w-full h-auto" />
           {props.title && <figcaption className="text-xs text-center italic">{props.title}</figcaption>}
         </figure>
       ),