feat(registry): Add blog post grid block

app/components/demo/BlogPostGridDemo.vue

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+<script setup lang="ts">
+import { BlogPostGrid, type BlogPostGridPost } from "~/registry/blocks/blog-post-grid";
+
+const posts: BlogPostGridPost[] = [
+  {
+    id: "design-process",
+    to: "/docs/components",
+    title: "From mockup to market: a practical design process",
+    description: "A field guide to moving from research and wireframes into shippable Nuxt interfaces without losing product context.",
+    dateLabel: "Apr 23, 2026",
+    badge: "Design",
+    readTime: "8 min read",
+    image: {
+      src: "https://images.unsplash.com/photo-1497366754035-f200968a6e72?q=80&w=1200&auto=format&fit=crop",
+      alt: "A bright workspace with design notes and a laptop",
+    },
+    authors: [
+      {
+        name: "Emma Thompson",
+        avatar: {
+          src: "https://images.unsplash.com/photo-1494790108377-be9c29b29330?q=80&w=128&auto=format&fit=crop",
+          alt: "Emma Thompson",
+        },
+      },
+    ],
+  },
+  {
+    id: "color-systems",
+    href: "https://ui.stackhacker.io/docs/components",
+    target: "_blank",
+    title: "Color systems that survive implementation",
+    description: "How semantic tokens keep visual decisions portable across marketing pages, docs, and product surfaces.",
+    dateLabel: "Mar 15, 2026",
+    badge: "Systems",
+    image: {
+      src: "https://images.unsplash.com/photo-1513542789411-b6a5d4f31634?q=80&w=1200&auto=format&fit=crop",
+      alt: "Color swatches and design materials",
+    },
+  },
+  {
+    id: "slow-design",
+    to: "/docs/components/feature-grid",
+    title: "The case for slow design in fast interfaces",
+    description: "Designing moments of pause can help content-heavy products feel more intentional and easier to scan.",
+    dateLabel: "Jan 28, 2026",
+    badge: "UX",
+    readTime: "7 min read",
+  },
+];
+</script>
+
+<template>
+  <div class="rounded-xl border bg-muted/20 p-4 sm:p-6">
+    <BlogPostGrid
+      title="Latest articles"
+      description="Render display-ready post cards while your app owns routes, dates, images, authors, and content loading."
+      :posts="posts"
+      class="py-0"
+    />
+  </div>
+</template>

app/registry/blocks/blog-post-grid/BlogPostGrid.vue

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+<script setup lang="ts">
+import type { HTMLAttributes } from "vue";
+import { computed } from "vue";
+import { cn } from "@/lib/utils";
+
+export interface BlogPostGridImage {
+  /** Image source supplied by the consuming app. */
+  src: string;
+  /** Accessible image alt text. */
+  alt?: string;
+}
+
+export interface BlogPostGridAuthor {
+  /** Visible author name. */
+  name: string;
+  /** Optional author avatar image. */
+  avatar?: BlogPostGridImage;
+}
+
+export interface BlogPostGridPost {
+  /** Stable id for rendering. Falls back to title and index when omitted. */
+  id?: string;
+  /** Internal Nuxt route. */
+  to?: string;
+  /** External or plain anchor href. */
+  href?: string;
+  /** Anchor target used when href is supplied. */
+  target?: HTMLAnchorElement["target"];
+  /** Anchor rel used when href is supplied. */
+  rel?: string;
+  /** Post title. */
+  title: string;
+  /** Supporting excerpt supplied by the consuming app. */
+  description?: string;
+  /** App-formatted date label. */
+  dateLabel?: string;
+  /** Optional badge or category label. */
+  badge?: string;
+  /** Optional read-time label. */
+  readTime?: string;
+  /** Optional post image. */
+  image?: BlogPostGridImage;
+  /** Optional authors supplied by the consuming app. */
+  authors?: BlogPostGridAuthor[];
+}
+
+export interface BlogPostGridProps {
+  /** Optional section title. */
+  title?: string;
+  /** Optional supporting section copy. */
+  description?: string;
+  /** Display-ready posts supplied by the consuming app. */
+  posts?: BlogPostGridPost[] | null;
+  /** Feature the first card on medium and larger screens. */
+  featuredFirst?: boolean;
+  /** Additional CSS classes for the section. */
+  class?: HTMLAttributes["class"];
+}
+
+const props = withDefaults(defineProps<BlogPostGridProps>(), {
+  posts: () => [],
+  featuredFirst: true,
+});
+
+const postItems = computed(() => props.posts ?? []);
+const hasHeader = computed(() => Boolean(props.title || props.description));
+const hasContent = computed(() => hasHeader.value || postItems.value.length > 0);
+
+function postKey(post: BlogPostGridPost, index: number) {
+  return post.id ?? post.to ?? post.href ?? `${post.title}-${index}`;
+}
+
+function linkRel(post: BlogPostGridPost) {
+  if (post.rel) return post.rel;
+  if (post.target === "_blank") return "noopener noreferrer";
+  return undefined;
+}
+
+function linkComponent(post: BlogPostGridPost) {
+  if (post.to) return "NuxtLink";
+  if (post.href) return "a";
+  return "article";
+}
+
+function metaItems(post: BlogPostGridPost) {
+  return [post.badge, post.dateLabel, post.readTime].filter(Boolean);
+}
+</script>
+
+<template>
+  <section
+    v-if="hasContent"
+    data-slot="blog-post-grid"
+    :class="cn('py-12 md:py-16', props.class)"
+  >
+    <div class="mx-auto w-full max-w-7xl px-4 sm:px-6 lg:px-8">
+      <div
+        v-if="hasHeader"
+        data-slot="blog-post-grid-header"
+        class="mx-auto max-w-3xl text-center"
+      >
+        <h2
+          v-if="title"
+          data-slot="blog-post-grid-title"
+          class="text-balance text-3xl font-semibold tracking-tight sm:text-4xl"
+        >
+          {{ title }}
+        </h2>
+        <p
+          v-if="description"
+          data-slot="blog-post-grid-description"
+          class="mt-4 text-pretty text-base/7 text-muted-foreground sm:text-lg/8"
+        >
+          {{ description }}
+        </p>
+      </div>
+
+      <div
+        v-if="postItems.length"
+        data-slot="blog-post-grid-posts"
+        :class="cn(
+          'grid gap-5 md:grid-cols-2 lg:grid-cols-3',
+          hasHeader && 'mt-10 md:mt-12',
+        )"
+      >
+        <component
+          :is="linkComponent(post)"
+          v-for="(post, index) in postItems"
+          :key="postKey(post, index)"
+          data-slot="blog-post-grid-post"
+          :to="post.to"
+          :href="post.href"
+          :target="post.href ? post.target : undefined"
+          :rel="post.href ? linkRel(post) : undefined"
+          :class="cn(
+            'group overflow-hidden rounded-2xl border bg-card/70 text-card-foreground transition-colors',
+            (post.to || post.href) && 'block hover:bg-card focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2',
+            featuredFirst && index === 0 && 'md:col-span-2 md:grid md:grid-cols-2 lg:col-span-3',
+          )"
+        >
+          <div
+            v-if="post.image?.src"
+            data-slot="blog-post-grid-post-image"
+            :class="cn(
+              'aspect-video overflow-hidden bg-muted',
+              featuredFirst && index === 0 && 'md:h-full',
+            )"
+          >
+            <img
+              :src="post.image.src"
+              :alt="post.image.alt ?? post.title"
+              class="size-full object-cover transition-transform duration-300 group-hover:scale-105"
+            >
+          </div>
+
+          <div
+            data-slot="blog-post-grid-post-body"
+            class="p-6"
+          >
+            <div
+              v-if="metaItems(post).length"
+              data-slot="blog-post-grid-post-meta"
+              class="flex flex-wrap items-center gap-2 text-sm text-muted-foreground"
+            >
+              <span
+                v-for="item in metaItems(post)"
+                :key="item"
+                class="rounded-full bg-secondary px-2.5 py-1 text-xs font-medium text-secondary-foreground first:bg-primary/10 first:text-primary"
+              >
+                {{ item }}
+              </span>
+            </div>
+
+            <h3
+              data-slot="blog-post-grid-post-title"
+              :class="cn(
+                'text-pretty text-xl font-semibold tracking-tight group-hover:text-primary',
+                metaItems(post).length && 'mt-4',
+                featuredFirst && index === 0 && 'md:text-3xl',
+              )"
+            >
+              {{ post.title }}
+            </h3>
+
+            <p
+              v-if="post.description"
+              data-slot="blog-post-grid-post-description"
+              class="mt-3 line-clamp-3 text-sm/6 text-muted-foreground"
+            >
+              {{ post.description }}
+            </p>
+
+            <div
+              v-if="post.authors?.length"
+              data-slot="blog-post-grid-post-authors"
+              class="mt-5 flex flex-wrap gap-3"
+            >
+              <div
+                v-for="author in post.authors"
+                :key="author.name"
+                class="flex items-center gap-2 text-sm text-muted-foreground"
+              >
+                <img
+                  v-if="author.avatar?.src"
+                  :src="author.avatar.src"
+                  :alt="author.avatar.alt ?? author.name"
+                  class="size-6 rounded-full object-cover"
+                >
+                <span class="text-foreground">{{ author.name }}</span>
+              </div>
+            </div>
+          </div>
+        </component>
+      </div>
+    </div>
+  </section>
+</template>

app/registry/blocks/blog-post-grid/index.ts

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+export { default as BlogPostGrid, type BlogPostGridAuthor, type BlogPostGridImage, type BlogPostGridPost, type BlogPostGridProps } from "./BlogPostGrid.vue";

content/docs/2.components/16.blog-post-grid.md

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+---
+title: BlogPostGrid
+description: Render responsive blog and content teaser grids from display-ready post data.
+category: content
+---
+
+::component-preview
+---
+name: BlogPostGridDemo
+---
+::
+
+## Installation
+
+```bash
+npx shadcn-vue@latest add "https://ui.stackhacker.io/r/blog-post-grid.json"
+```
+
+## Usage
+
+```vue
+<script setup lang="ts">
+import { BlogPostGrid, type BlogPostGridPost } from '@/components/blog-post-grid'
+
+const posts: BlogPostGridPost[] = [
+  {
+    id: 'design-process',
+    to: '/blog/design-process',
+    title: 'From mockup to market',
+    description: 'A field guide to moving from research into shippable interfaces.',
+    dateLabel: 'Apr 23, 2026',
+    badge: 'Design',
+    readTime: '8 min read',
+    image: {
+      src: '/images/design-process.jpg',
+      alt: 'Design notes and a laptop'
+    },
+    authors: [
+      { name: 'Emma Thompson' }
+    ]
+  }
+]
+</script>
+
+<template>
+  <BlogPostGrid
+    title="Latest articles"
+    description="Render display-ready post cards while your app owns routing and formatting."
+    :posts="posts"
+  />
+</template>
+```
+
+## App-Owned Post Data
+
+`BlogPostGrid` renders display-ready data. Your app owns fetching, sorting, slicing, localization, date formatting, route construction, image policy, and analytics.
+
+Pass formatted strings such as `Apr 23, 2026` through `dateLabel`. The component does not call `new Date()`, generate routes from slugs, import global post data, or install icon/button/avatar dependencies.
+
+Use `to` for internal Nuxt routes and `href` for external links. For `target="_blank"`, the component adds `rel="noopener noreferrer"` unless you provide a custom `rel` value.
+
+## Examples
+
+### Featured first post
+
+::component-preview
+---
+name: BlogPostGridDemo
+---
+::
+
+## API Reference
+
+### Props
+
+| Prop | Type | Default | Description |
+|------|------|---------|-------------|
+| `title` | `string` | — | Optional section title. |
+| `description` | `string` | — | Optional supporting section copy. |
+| `posts` | `BlogPostGridPost[] \| null` | `[]` | Display-ready post data supplied by your app. |
+| `featuredFirst` | `boolean` | `true` | Feature the first card on medium and larger screens. |
+| `class` | `string` | — | Additional CSS classes for the section. |
+
+### Types
+
+```ts
+interface BlogPostGridImage {
+  src: string
+  alt?: string
+}
+
+interface BlogPostGridAuthor {
+  name: string
+  avatar?: BlogPostGridImage
+}
+
+interface BlogPostGridPost {
+  id?: string
+  to?: string
+  href?: string
+  target?: HTMLAnchorElement['target']
+  rel?: string
+  title: string
+  description?: string
+  dateLabel?: string
+  badge?: string
+  readTime?: string
+  image?: BlogPostGridImage
+  authors?: BlogPostGridAuthor[]
+}
+```