Fix Astro 6 build errors: image imports and anchor link slugs

- _mcp-auth-claude-code.mdx: Import skill-activation.png and use imported variable for src (Astro 6 requires imported images)
- add-modular-sso.mdx, quickstart.mdx, group-based-role-assignment.mdx: Update anchor links to account for Badge component context in heading IDs (#embed-the-admin-portal- and #generate-shareable-portal-link-)

Author: ravibits

src/components/templates/coding-agents/_mcp-auth-claude-code.mdx

@@ -1,6 +1,7 @@
 import { Steps, Aside, Tabs, TabItem } from '@astrojs/starlight/components'
 import { Image } from 'astro:assets'
 import enableClaudePluginGif from '@/assets/docs/ai-assisted-mcp-quickstart/2.gif'
+import skillActivation from '@/assets/docs/ai-assisted-mcp-quickstart/skill-activation.png'
 
 <Steps>
 
@@ -79,7 +80,7 @@ import enableClaudePluginGif from '@/assets/docs/ai-assisted-mcp-quickstart/2.gi
     When you submit this prompt, Claude Code loads the MCP authentication skill from the marketplace -> analyzes your existing MCP server structure -> generates authentication middleware with token validation -> creates the OAuth discovery endpoint -> configures environment variable handling.
 
     <Image
-      src="@/assets/docs/ai-assisted-mcp-quickstart/skill-activation.png"
+      src={skillActivation}
       alt="Claude Code activating MCP authentication skill"
     />
 

src/content/docs/authenticate/sso/add-modular-sso.mdx

@@ -824,7 +824,7 @@ Choose Modular SSO when you:
 
    Customers configure SSO without leaving your application, maintaining a consistent user experience. Listen for UI events from the embedded portal to respond to configuration changes, such as when SSO is enabled or the session expires. See the [Admin portal UI events reference](/reference/admin-portal/ui-events/) for details on handling these events.
 
-   Learn more: [Embedded Admin Portal guide](/guides/admin-portal/#embed-the-admin-portal)
+   Learn more: [Embedded Admin Portal guide](/guides/admin-portal/#embed-the-admin-portal-)
 
    </TabItem>
    </Tabs>

src/content/docs/directory/guides/group-based-role-assignment.mdx

@@ -84,7 +84,7 @@ After you create roles, they represent the roles in your app that you want direc
 You can set up this mapping in two ways:
 
 1. Configure mappings in the Scalekit dashboard on behalf of organization administrators. Select the organization and go to the **SCIM provisioning** tab.
-2. Share the [admin portal link](/guides/admin-portal#generate-shareable-portal-link) with organization administrators so they can configure the mappings themselves.
+2. Share the [admin portal link](/guides/admin-portal/#generate-shareable-portal-link-) with organization administrators so they can configure the mappings themselves.
 
 Scalekit automatically displays mapping options in both the Scalekit dashboard and the admin portal. This allows administrators to connect organization groups to app roles without custom logic in your application.
 

src/content/docs/sso/quickstart.mdx

@@ -859,7 +859,7 @@ Choose Modular SSO when you:
 
    Customers configure SSO without leaving your application, maintaining a consistent user experience.
 
-   Learn more: [Embedded Admin Portal guide](/guides/admin-portal/#embed-the-admin-portal)
+   Learn more: [Embedded Admin Portal guide](/guides/admin-portal/#embed-the-admin-portal-)
 
    </TabItem>
    </Tabs>