feat(www): SEO/AEO audit fixes

- Add site URL config to enable sitemap generation and canonical URLs
- Add robots.txt with sitemap reference
- Add Organization and WebSite JSON-LD structured data
- Add Open Graph and Twitter Card meta tags
- Improve homepage title and description for search engines
- Improve meta descriptions across all documentation pages
- Clean up emoji-only page titles for better SERP display

Co-Authored-By: Oz <oz-agent@warp.dev>

Author: bholmesdev

www/astro.config.mjs

@@ -2,6 +2,7 @@ import starlight from "@astrojs/starlight";
 import { defineConfig } from "astro/config";
 
 export default defineConfig({
+	site: "https://simple-stack.dev",
 	integrations: [
 		starlight({
 			title: "Simple Stack 🌱",
@@ -13,6 +14,45 @@ export default defineConfig({
 				},
 				{ icon: "discord", label: "Discord", href: "https://wtw.dev/chat" },
 			],
+			head: [
+				{
+					tag: "meta",
+					attrs: { property: "og:type", content: "website" },
+				},
+				{
+					tag: "meta",
+					attrs: { property: "og:site_name", content: "Simple Stack" },
+				},
+				{
+					tag: "meta",
+					attrs: { name: "twitter:card", content: "summary" },
+				},
+				{
+					tag: "script",
+					attrs: { type: "application/ld+json" },
+					content: JSON.stringify({
+						"@context": "https://schema.org",
+						"@type": "WebSite",
+						name: "Simple Stack",
+						url: "https://simple-stack.dev",
+						description:
+							"A suite of lightweight tools built for Astro and React to simplify your web development workflow.",
+					}),
+				},
+				{
+					tag: "script",
+					attrs: { type: "application/ld+json" },
+					content: JSON.stringify({
+						"@context": "https://schema.org",
+						"@type": "Organization",
+						name: "Simple Stack",
+						url: "https://simple-stack.dev",
+						sameAs: [
+							"https://github.com/bholmesdev/simple-stack",
+						],
+					}),
+				},
+			],
 			sidebar: [
 				{
 					label: "💾 Store",

www/public/robots.txt

@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://simple-stack.dev/sitemap-index.xml

www/src/content/docs/form/client.md

@@ -1,6 +1,6 @@
 ---
-title:  Add client validation
-description: Add client validation to your forms
+title: Add Client Validation
+description: Add client-side form validation to your Astro or React app using Simple Form with the reward-early, punish-late UX pattern.
 sidebar:
   order: 3
 ---

www/src/content/docs/form/index.mdx

@@ -1,6 +1,6 @@
 ---
-title: Simple form
-description: The simple way to validate forms in your fullstack app. 
+title: Simple Form
+description: Simple Form is the easiest way to validate forms in your Astro fullstack app using Zod schemas, with built-in server parsing and client-side validation.
 sidebar:
   label: Get started
   order: 1

www/src/content/docs/form/parse.md

@@ -1,6 +1,6 @@
 ---
-title: Parse form requests 
-description: Validate forms server-side
+title: Parse Form Requests
+description: Validate and parse form submissions server-side using Simple Form with Zod schemas and Astro.locals helpers.
 sidebar:
   order: 2
 ---

www/src/content/docs/index.mdx

@@ -1,15 +1,13 @@
 ---
-title: Simple stack 🌱
-description: A suite of tools built for Astro to simplify your workflow.
+title: Simple Stack 🌱
+description: Simple Stack is a collection of lightweight tools for Astro and React that simplify state management, scoped IDs, and DOM querying with minimal overhead.
 tableOfContents: false
 head:
   - tag: title
-    content: Simple stack 🌱
+    content: Simple Stack – Lightweight Tools for Astro & React
 ---
 
-A collection of tools I've built to **make web development simpler.**
-
-To be honest, there isn't a "story" connecting these packages together (I'm no TanStack). But they follow a common theme: solve a simple use case without too many features.
+Simple Stack is a collection of lightweight, open-source tools built for Astro and React to **make web development simpler.** Each package solves a focused use case with minimal API surface and zero unnecessary complexity.
 
 import { CardGrid, Card, LinkCard } from '@astrojs/starlight/components';
 

www/src/content/docs/stream.md

@@ -1,6 +1,6 @@
 ---
-title: Simple stream 🌊
-description: Suspend Astro components with fallback content. Like React Server Components, but Just HTML ™️
+title: Simple Stream
+description: Suspend Astro components with fallback content using Simple Stream. Like React Server Components, but Just HTML. Deprecated in favor of Astro Server Islands.
 ---
 
 :::caution