docs: align runtime requirements with current setup

SELF-HOSTING.md

@@ -32,9 +32,9 @@ This guide explains how to deploy **prompts.chat** on your own private server fo
 
 ## Prerequisites
 
-- **Node.js** 18+ 
+- **Node.js** 24.x
 - **PostgreSQL** database
-- **npm** or **yarn**
+- **npm**
 
 ## Environment Variables
 

packages/prompts.chat/README.md

@@ -2375,7 +2375,7 @@ import type {
 
 ## Requirements
 
-- **Node.js** 18+
+- **Node.js** 24.x
 - **TypeScript** 5+ (optional, for type checking)
 
 ---

src/app/docs/self-hosting/page.tsx

@@ -110,9 +110,9 @@ export default function SelfHostingPage() {
               Prerequisites
             </h3>
             <ul className="list-disc list-inside text-muted-foreground space-y-1">
-              <li>Node.js 18+</li>
+              <li>Node.js 24.x</li>
               <li>PostgreSQL database</li>
-              <li>npm or yarn</li>
+              <li>npm</li>
             </ul>
           </div>