docs: add a TanStack Query value card to the home page

prototypes/docusaurus/src/constants/prompts.ts

@@ -26,7 +26,7 @@ export const prompts: Prompt[] = [
   {
     "id": "create-app",
     "title": "Start a new app",
-    "prompt": "Set up a new Rails app with React on Rails, using TypeScript and server-side rendering. Follow the official guide at https://reactonrails.com/docs/getting-started/create-react-on-rails-app and use the exact commands and versions it specifies — don't improvise.",
+    "prompt": "Set up a new Rails app using the default React on Rails Pro path (no token required for development, test, CI/CD, or staging; production requires a paid license) with TypeScript and server-side rendering. Follow the official guide at https://reactonrails.com/docs/getting-started/create-react-on-rails-app exactly; don't improvise commands or versions. Use --standard only when you intentionally want an open-source-only scaffold.",
     "href": "/docs/getting-started/create-react-on-rails-app",
     "category": "get-started"
   },

prototypes/docusaurus/src/pages/index.tsx

@@ -28,6 +28,11 @@ const valueCards = [
     description:
       'Start with open source docs, then add Pro when SSR throughput, RSC support, or guided support matters.',
   },
+  {
+    title: 'Modern data fetching',
+    description:
+      'Pair Rails JSON APIs with TanStack Query for client-side caching, mutations, and first-paint data, without adding a second backend.',
+  },
 ];
 
 const migrationGuides = [

prototypes/docusaurus/static/prompts.json

@@ -41,7 +41,7 @@
       "category": "get-started",
       "doc_route": "/docs/getting-started/create-react-on-rails-app",
       "doc_url": "https://reactonrails.com/docs/getting-started/create-react-on-rails-app",
-      "prompt": "Set up a new Rails app with React on Rails, using TypeScript and server-side rendering. Follow the official guide at https://reactonrails.com/docs/getting-started/create-react-on-rails-app and use the exact commands and versions it specifies — don't improvise."
+      "prompt": "Set up a new Rails app using the default React on Rails Pro path (no token required for development, test, CI/CD, or staging; production requires a paid license) with TypeScript and server-side rendering. Follow the official guide at https://reactonrails.com/docs/getting-started/create-react-on-rails-app exactly; don't improvise commands or versions. Use --standard only when you intentionally want an open-source-only scaffold."
     },
     {
       "id": "install-existing",

prototypes/docusaurus/static/prompts/llms.txt

@@ -13,7 +13,7 @@ ID: create-app
 Category: get-started
 Doc: https://reactonrails.com/docs/getting-started/create-react-on-rails-app
 
-Set up a new Rails app with React on Rails, using TypeScript and server-side rendering. Follow the official guide at https://reactonrails.com/docs/getting-started/create-react-on-rails-app and use the exact commands and versions it specifies — don't improvise.
+Set up a new Rails app using the default React on Rails Pro path (no token required for development, test, CI/CD, or staging; production requires a paid license) with TypeScript and server-side rendering. Follow the official guide at https://reactonrails.com/docs/getting-started/create-react-on-rails-app exactly; don't improvise commands or versions. Use --standard only when you intentionally want an open-source-only scaffold.
 
 ### Add to an existing Rails app