docs: sync with codebase (2026-07-13)

apps/web/content/getting-started/installation.mdx

@@ -56,13 +56,13 @@ The scaffolded project is completely standalone. It has no dependency on the hel
 
 ## Adding to an existing project
 
-If you already have a Next.js + shadcn project, use the registry instead:
+If you already have a Next.js + shadcn project, you can install the full helpbase primitive in one command:
 
 ```bash
-npx shadcn add https://helpbase.dev/r/help-center.json
+pnpm dlx helpbase init
 ```
 
-This adds the help center components, content pipeline, and routes to your existing project without replacing your layout or configuration.
+This adds the help center routes, starter content, MCP server, and sync workflow to your existing project. You can also add individual pieces by installing primitives like `https://helpbase.dev/r/help-center.json` directly via shadcn.
 
 ## Deploy
 

apps/web/content/getting-started/introduction.mdx

@@ -29,7 +29,7 @@ Most help center tools are either closed-source hosted SaaS or generic wikis tha
   <Step title="Scaffold a new project">
     Run the scaffolder to create a new help center project with sample content:
     ```bash
-    npx create-helpbase my-docs
+    pnpm dlx create-helpbase my-docs
     cd my-docs
     ```
   </Step>