feat(web): blog-post ingestion webhook + /blog, dynamic RSS & sitemap

Add an autoblog webhook receiver and a Supabase-backed blog to logicsrc-web
(the app had no Supabase usage before).

- Migration: blog_posts table (RLS: public reads published, service-role
  writes). Applied to the linked project.
- POST /api/webhooks/blog: verifies the Standard Webhooks signature against
  BLOG_WEBHOOK_SECRET via @profullstack/autoblog verifyAndParse (no admin
  user — shared secret only) and upserts the post by slug.
- /blog index + /blog/[slug] render published posts from the table.
- /blog/rss.xml and /sitemap.xml are now dynamic, generated from the table;
  removed the static public/sitemap.xml and public/blog/rss.xml.
- BLOG_WEBHOOK_SECRET added to .env.example.

Verified end-to-end: a signed sample post delivered 200 and appeared in the
index, post page, RSS, and sitemap; build + typecheck pass.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Anthony Ettinger 2026-06-08 11:53:34 +00:00
parent ade606c157
commit cf99e93c53
13 changed files with 549 additions and 82 deletions

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@ -28,3 +28,8 @@ UGIG_WEBHOOK_SECRET=
SH1PT_API_URL=
SH1PT_API_KEY=
SH1PT_WEBHOOK_SECRET=
# Shared secret for the blog-post ingestion webhook (no admin user; the
# webhook authenticates callers by this secret instead). Generate with:
# openssl rand -hex 32
BLOG_WEBHOOK_SECRET=

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@ -12,6 +12,8 @@
"test:e2e": "playwright test"
},
"dependencies": {
"@profullstack/autoblog": "github:profullstack/autoblog#75e54af",
"@supabase/supabase-js": "^2.105.4",
"next": "16.2.6",
"react": "19.2.0",
"react-dom": "19.2.0"

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@ -1,24 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title>LogicSRC Blog</title>
<link>https://logicsrc.com/blog</link>
<description>Project notes for LogicSRC OpenSpec standards, AgentSwarm, AgentByte, SDKs, MCP, and reference implementations.</description>
<language>en-us</language>
<atom:link href="https://logicsrc.com/blog/rss.xml" rel="self" type="application/rss+xml" />
<item>
<title>LogicSRC OpenSpec Compatibility</title>
<link>https://logicsrc.com/openspec</link>
<guid>https://logicsrc.com/openspec</guid>
<description>LogicSRC adds an OpenSpec.dev comparison and compatibility mode for repo-local specs, proposals, tasks, and deltas.</description>
<pubDate>Sat, 06 Jun 2026 00:00:00 GMT</pubDate>
</item>
<item>
<title>LogicSRC Credential Sharing OpenSpec</title>
<link>https://logicsrc.com/credential-sharing</link>
<guid>https://logicsrc.com/credential-sharing</guid>
<description>LogicSRC adds a credential-sharing OpenSpec for .env, Doppler, Railway variables, GitHub Secrets, and future provider adapters.</description>
<pubDate>Sat, 06 Jun 2026 00:00:00 GMT</pubDate>
</item>
</channel>
</rss>

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@ -1,58 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>https://logicsrc.com/</loc>
<changefreq>weekly</changefreq>
<priority>1.0</priority>
</url>
<url>
<loc>https://logicsrc.com/docs</loc>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
</url>
<url>
<loc>https://logicsrc.com/openspec</loc>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://logicsrc.com/agent-swarm</loc>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://logicsrc.com/agentbyte</loc>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://logicsrc.com/credential-sharing</loc>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://logicsrc.com/hire-us</loc>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://logicsrc.com/blog</loc>
<changefreq>weekly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://logicsrc.com/about</loc>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://logicsrc.com/terms</loc>
<changefreq>monthly</changefreq>
<priority>0.4</priority>
</url>
<url>
<loc>https://logicsrc.com/privacy</loc>
<changefreq>monthly</changefreq>
<priority>0.4</priority>
</url>
</urlset>

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@ -0,0 +1,59 @@
import type { NextRequest } from "next/server";
import { verifyAndParse } from "@profullstack/autoblog";
import { json } from "@/lib/http";
import { serviceClient } from "@/lib/supabase";
export const runtime = "nodejs";
export const dynamic = "force-dynamic";
// POST /api/webhooks/blog — receive an autoblog `post.published` webhook,
// verify the Standard Webhooks signature against BLOG_WEBHOOK_SECRET, and
// upsert the post into blog_posts. There is no admin user: the shared
// secret is the only credential, identical to the other Profullstack
// autoblog receivers.
export async function POST(request: NextRequest) {
const secret = process.env.BLOG_WEBHOOK_SECRET;
if (!secret) {
return json({ success: false, error: "Blog webhook is not configured" }, 503);
}
// Raw bytes — the signature is computed over the body as received.
const body = await request.text();
const headers: Record<string, string> = {};
request.headers.forEach((value, key) => {
headers[key] = value;
});
const result = verifyAndParse({ headers, body, opts: { secret } });
if (!result.ok) {
return json({ success: false, error: result.reason }, result.status);
}
const post = result.post;
const supabase = serviceClient();
const { error } = await supabase.from("blog_posts").upsert(
{
external_id: post.id,
slug: post.slug,
title: post.title,
excerpt: post.excerpt ?? null,
html: post.html,
markdown: post.markdown ?? null,
url: post.url ?? null,
canonical_url: post.canonical_url ?? null,
author: post.author ?? null,
tags: post.tags ?? [],
categories: post.categories ?? [],
featured_image: post.featured_image ?? null,
status: post.status ?? "published",
published_at: post.published_at,
updated_at: post.updated_at,
},
{ onConflict: "slug" },
);
if (error) {
return json({ success: false, error: error.message }, 500);
}
return json({ received: true, slug: post.slug });
}

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@ -0,0 +1,96 @@
import Link from "next/link";
import { notFound } from "next/navigation";
import type { ReactNode } from "react";
import type { Metadata } from "next";
import { publicClient } from "@/lib/supabase";
export const dynamic = "force-dynamic";
type PostRow = {
slug: string;
title: string;
excerpt: string | null;
html: string;
featured_image: { url?: string } | null;
published_at: string;
};
async function loadPost(slug: string): Promise<PostRow | null> {
const supabase = publicClient();
const { data } = await supabase
.from("blog_posts")
.select("slug, title, excerpt, html, featured_image, published_at")
.eq("slug", slug)
.eq("status", "published")
.maybeSingle();
return (data as PostRow | null) ?? null;
}
export async function generateMetadata({
params,
}: {
params: Promise<{ slug: string }>;
}): Promise<Metadata> {
const { slug } = await params;
const post = await loadPost(slug);
if (!post) return { title: "Not found · LogicSRC" };
return {
title: `${post.title} · LogicSRC`,
description: post.excerpt ?? undefined,
alternates: { canonical: `/blog/${post.slug}` },
openGraph: {
title: post.title,
description: post.excerpt ?? undefined,
type: "article",
images: post.featured_image?.url ? [post.featured_image.url] : undefined,
},
};
}
function formatDate(value: string): string {
return new Date(value).toLocaleDateString("en-US", {
year: "numeric",
month: "long",
day: "numeric",
});
}
export default async function BlogPostPage({
params,
}: {
params: Promise<{ slug: string }>;
}): Promise<ReactNode> {
const { slug } = await params;
const post = await loadPost(slug);
if (!post) notFound();
return (
<main style={{ maxWidth: 760, margin: "0 auto", padding: "64px 24px" }}>
<p style={{ marginBottom: 32 }}>
<Link href="/blog" style={{ color: "#5b6b7a", textDecoration: "none" }}>
Blog
</Link>
</p>
<article>
<h1 style={{ fontSize: 38, fontWeight: 800, margin: "0 0 8px" }}>
{post.title}
</h1>
<div style={{ color: "#8a95a0", fontSize: 14, marginBottom: 32 }}>
{formatDate(post.published_at)}
</div>
{post.featured_image?.url ? (
// eslint-disable-next-line @next/next/no-img-element
<img
src={post.featured_image.url}
alt={post.title}
style={{ width: "100%", borderRadius: 12, margin: "0 0 32px" }}
/>
) : null}
<div
className="blog-content"
dangerouslySetInnerHTML={{ __html: post.html }}
/>
</article>
</main>
);
}

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@ -0,0 +1,84 @@
import Link from "next/link";
import type { ReactNode } from "react";
import type { Metadata } from "next";
import { publicClient } from "@/lib/supabase";
export const dynamic = "force-dynamic";
export const metadata: Metadata = {
title: "Blog · LogicSRC",
description:
"Project notes for LogicSRC OpenSpec standards, AgentSwarm, AgentByte, SDKs, MCP, and reference implementations.",
alternates: { types: { "application/rss+xml": "/blog/rss.xml" } },
};
type PostRow = {
slug: string;
title: string;
excerpt: string | null;
published_at: string;
};
function formatDate(value: string): string {
return new Date(value).toLocaleDateString("en-US", {
year: "numeric",
month: "long",
day: "numeric",
});
}
export default async function BlogIndex(): Promise<ReactNode> {
const supabase = publicClient();
const { data } = await supabase
.from("blog_posts")
.select("slug, title, excerpt, published_at")
.eq("status", "published")
.order("published_at", { ascending: false });
const posts = (data ?? []) as PostRow[];
return (
<main style={{ maxWidth: 760, margin: "0 auto", padding: "64px 24px" }}>
<p style={{ marginBottom: 32 }}>
<Link href="/" style={{ color: "#5b6b7a", textDecoration: "none" }}>
LogicSRC
</Link>
</p>
<h1 style={{ fontSize: 40, fontWeight: 800, margin: "0 0 8px" }}>Blog</h1>
<p style={{ color: "#5b6b7a", margin: "0 0 40px" }}>
Project notes for LogicSRC OpenSpec standards, AgentSwarm, AgentByte,
SDKs, MCP, and reference implementations.{" "}
<a href="/blog/rss.xml" style={{ color: "#5b6b7a" }}>
RSS
</a>
</p>
{posts.length === 0 ? (
<p style={{ color: "#5b6b7a" }}>No posts yet.</p>
) : (
<ul style={{ listStyle: "none", margin: 0, padding: 0 }}>
{posts.map((post) => (
<li
key={post.slug}
style={{ padding: "20px 0", borderTop: "1px solid #e3e6e0" }}
>
<Link
href={`/blog/${post.slug}`}
style={{ color: "#101418", textDecoration: "none" }}
>
<h2 style={{ fontSize: 22, fontWeight: 700, margin: "0 0 6px" }}>
{post.title}
</h2>
</Link>
<div style={{ color: "#8a95a0", fontSize: 14, marginBottom: 8 }}>
{formatDate(post.published_at)}
</div>
{post.excerpt ? (
<p style={{ color: "#41505d", margin: 0 }}>{post.excerpt}</p>
) : null}
</li>
))}
</ul>
)}
</main>
);
}

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@ -0,0 +1,70 @@
import { publicClient } from "@/lib/supabase";
export const runtime = "nodejs";
export const dynamic = "force-dynamic";
type PostRow = {
slug: string;
title: string;
excerpt: string | null;
published_at: string;
};
function baseUrl(): string {
return (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
}
function escapeXml(value: string): string {
return value
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&apos;");
}
// GET /blog/rss.xml — RSS 2.0 feed generated from published blog_posts.
export async function GET(): Promise<Response> {
const base = baseUrl();
const supabase = publicClient();
const { data } = await supabase
.from("blog_posts")
.select("slug, title, excerpt, published_at")
.eq("status", "published")
.order("published_at", { ascending: false })
.limit(50);
const posts = (data ?? []) as PostRow[];
const items = posts
.map((post) => {
const link = `${base}/blog/${post.slug}`;
return ` <item>
<title>${escapeXml(post.title)}</title>
<link>${escapeXml(link)}</link>
<guid>${escapeXml(link)}</guid>
<description>${escapeXml(post.excerpt ?? "")}</description>
<pubDate>${new Date(post.published_at).toUTCString()}</pubDate>
</item>`;
})
.join("\n");
const xml = `<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title>LogicSRC Blog</title>
<link>${base}/blog</link>
<description>Project notes for LogicSRC OpenSpec standards, AgentSwarm, AgentByte, SDKs, MCP, and reference implementations.</description>
<language>en-us</language>
<atom:link href="${base}/blog/rss.xml" rel="self" type="application/rss+xml" />
${items}
</channel>
</rss>
`;
return new Response(xml, {
headers: {
"content-type": "application/rss+xml; charset=utf-8",
"cache-control": "public, max-age=300, s-maxage=300",
},
});
}

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@ -0,0 +1,58 @@
import type { MetadataRoute } from "next";
import { publicClient } from "@/lib/supabase";
export const dynamic = "force-dynamic";
function baseUrl(): string {
return (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
}
// Static routes preserved from the legacy public/sitemap.xml.
const STATIC_ROUTES: Array<{
path: string;
changeFrequency: MetadataRoute.Sitemap[number]["changeFrequency"];
priority: number;
}> = [
{ path: "/", changeFrequency: "weekly", priority: 1.0 },
{ path: "/docs", changeFrequency: "weekly", priority: 0.9 },
{ path: "/openspec", changeFrequency: "weekly", priority: 0.8 },
{ path: "/agent-swarm", changeFrequency: "weekly", priority: 0.8 },
{ path: "/agentbyte", changeFrequency: "weekly", priority: 0.8 },
{ path: "/credential-sharing", changeFrequency: "weekly", priority: 0.8 },
{ path: "/hire-us", changeFrequency: "weekly", priority: 0.8 },
{ path: "/blog", changeFrequency: "daily", priority: 0.7 },
{ path: "/about", changeFrequency: "monthly", priority: 0.6 },
{ path: "/terms", changeFrequency: "monthly", priority: 0.4 },
{ path: "/privacy", changeFrequency: "monthly", priority: 0.4 },
];
export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
const base = baseUrl();
const staticEntries: MetadataRoute.Sitemap = STATIC_ROUTES.map((route) => ({
url: `${base}${route.path}`,
changeFrequency: route.changeFrequency,
priority: route.priority,
}));
let postEntries: MetadataRoute.Sitemap = [];
try {
const supabase = publicClient();
const { data } = await supabase
.from("blog_posts")
.select("slug, published_at, updated_at")
.eq("status", "published")
.order("published_at", { ascending: false });
postEntries = (data ?? []).map((post) => ({
url: `${base}/blog/${post.slug}`,
lastModified: new Date(post.updated_at ?? post.published_at),
changeFrequency: "weekly",
priority: 0.6,
}));
} catch {
// If the DB is unreachable, still serve the static sitemap.
postEntries = [];
}
return [...staticEntries, ...postEntries];
}

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@ -0,0 +1,34 @@
import { createClient, type SupabaseClient } from "@supabase/supabase-js";
const url = process.env.SUPABASE_URL;
const anonKey = process.env.SUPABASE_ANON_KEY ?? process.env.SUPABASE_PUBLISHABLE_KEY;
const serviceKey = process.env.SUPABASE_SECRET_KEY;
// Public read client (anon key) — used by /blog, /blog/[slug], the RSS feed,
// and the sitemap. RLS limits it to published posts.
export function publicClient(): SupabaseClient {
if (!url || !anonKey) {
throw new Error("SUPABASE_URL and SUPABASE_ANON_KEY (or SUPABASE_PUBLISHABLE_KEY) are required");
}
return createClient(url, anonKey, { auth: { persistSession: false } });
}
// Privileged client (service-role key) — used by the blog webhook to upsert
// posts. Bypasses RLS, so keep it server-only.
export function serviceClient(): SupabaseClient {
if (!url || !serviceKey) {
throw new Error("SUPABASE_URL and SUPABASE_SECRET_KEY are required");
}
return createClient(url, serviceKey, { auth: { persistSession: false } });
}
export type BlogPost = {
slug: string;
title: string;
excerpt: string | null;
html: string;
tags: string[];
featured_image: { url?: string } | null;
published_at: string;
updated_at: string;
};

103
package-lock.json generated
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@ -126,6 +126,8 @@
"name": "@logicsrc/web",
"version": "0.1.0",
"dependencies": {
"@profullstack/autoblog": "github:profullstack/autoblog#75e54af",
"@supabase/supabase-js": "^2.105.4",
"next": "16.2.6",
"react": "19.2.0",
"react-dom": "19.2.0"
@ -1701,6 +1703,14 @@
"node": ">=18"
}
},
"node_modules/@profullstack/autoblog": {
"version": "0.4.0",
"resolved": "git+ssh://git@github.com/profullstack/autoblog.git#75e54af77cbcf61dbd90fb3ed529c1b2dad1ed6f",
"license": "MIT",
"engines": {
"node": ">=18"
}
},
"node_modules/@profullstack/logicsrc-mcp": {
"resolved": "packages/logicsrc-mcp",
"link": true
@ -2342,6 +2352,90 @@
"dev": true,
"license": "MIT"
},
"node_modules/@supabase/auth-js": {
"version": "2.107.0",
"resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.107.0.tgz",
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"license": "MIT",
"dependencies": {
"tslib": "2.8.1"
},
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/@supabase/functions-js": {
"version": "2.107.0",
"resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.107.0.tgz",
"integrity": "sha512-iMtRUmEj1KOgQd/a3MR4hnBlPnZc62DW8+z8aPpnzbxWkexEZUVL2fSgvvp15gqFg1V55e2yMGqgK+yhSQxp5w==",
"license": "MIT",
"dependencies": {
"tslib": "2.8.1"
},
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/@supabase/phoenix": {
"version": "0.4.2",
"resolved": "https://registry.npmjs.org/@supabase/phoenix/-/phoenix-0.4.2.tgz",
"integrity": "sha512-YSAGnmDAfuleFCVt3CeurQZAhxRfXWeZIIkwp7NhYzQ1UwW6ePSnzsFAiUm/mbCkfoCf70QQHKW/K6RKh52a4A==",
"license": "MIT"
},
"node_modules/@supabase/postgrest-js": {
"version": "2.107.0",
"resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-2.107.0.tgz",
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"license": "MIT",
"dependencies": {
"tslib": "2.8.1"
},
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/@supabase/realtime-js": {
"version": "2.107.0",
"resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.107.0.tgz",
"integrity": "sha512-cF2KYdR3JIn9YlWGeluY9S0G+otqTdL6hB8GzpatlEIY6fZudCcyFo6Dc3+X9tjeb+x9XcIyNAk9qhNAknjH1A==",
"license": "MIT",
"dependencies": {
"@supabase/phoenix": "^0.4.2",
"tslib": "2.8.1"
},
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/@supabase/storage-js": {
"version": "2.107.0",
"resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.107.0.tgz",
"integrity": "sha512-/X8OOVwKBn8aVKuHAGOz2yLA0d2OauqhVuy4mNtN+o7wttHOgx1/j+pqOzlsjmhOHrYykF6AJNZhs3gKZzcMUw==",
"license": "MIT",
"dependencies": {
"iceberg-js": "^0.8.1",
"tslib": "2.8.1"
},
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/@supabase/supabase-js": {
"version": "2.107.0",
"resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.107.0.tgz",
"integrity": "sha512-ChKzdlWVweMUUhr0U79JhMmgm1haS/C5JquaiCDr70JaGARRtjjoY9rkIheXWybXxTSNzRiQs3Sk8IAg1HS3ZA==",
"license": "MIT",
"dependencies": {
"@supabase/auth-js": "2.107.0",
"@supabase/functions-js": "2.107.0",
"@supabase/postgrest-js": "2.107.0",
"@supabase/realtime-js": "2.107.0",
"@supabase/storage-js": "2.107.0"
},
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/@swc/helpers": {
"version": "0.5.15",
"resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.15.tgz",
@ -3367,6 +3461,15 @@
"url": "https://opencollective.com/express"
}
},
"node_modules/iceberg-js": {
"version": "0.8.1",
"resolved": "https://registry.npmjs.org/iceberg-js/-/iceberg-js-0.8.1.tgz",
"integrity": "sha512-1dhVQZXhcHje7798IVM+xoo/1ZdVfzOMIc8/rgVSijRK38EDqOJoGula9N/8ZI5RD8QTxNQtK/Gozpr+qUqRRA==",
"license": "MIT",
"engines": {
"node": ">=20.0.0"
}
},
"node_modules/iconv-lite": {
"version": "0.7.2",
"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.7.2.tgz",

1
supabase/config.toml Normal file
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@ -0,0 +1 @@
project_id = "qgytusjwuvlynkdknype"

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@ -0,0 +1,37 @@
-- Blog posts ingested via the autoblog webhook (/api/webhooks/blog).
-- Source of truth for /blog, /blog/[slug], /blog/rss.xml, and sitemap.xml.
-- Writes happen only through the service-role key (the webhook); the public
-- (anon) key can read published posts.
create table if not exists public.blog_posts (
id uuid primary key default gen_random_uuid(),
external_id text unique, -- autoblog Post.id (idempotency)
slug text not null unique,
title text not null,
excerpt text,
html text not null,
markdown text,
url text,
canonical_url text,
author jsonb,
tags text[] not null default '{}',
categories text[] not null default '{}',
featured_image jsonb,
status text not null default 'published',
published_at timestamptz not null default now(),
updated_at timestamptz not null default now(),
created_at timestamptz not null default now()
);
create index if not exists blog_posts_published_idx
on public.blog_posts (published_at desc)
where status = 'published';
alter table public.blog_posts enable row level security;
-- Public can read published posts; everything else is service-role only
-- (service_role bypasses RLS, so no insert/update policy is needed).
drop policy if exists "blog_posts public read" on public.blog_posts;
create policy "blog_posts public read"
on public.blog_posts for select
using (status = 'published');