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Barrel file that consolidates all chat-surface entity card components, primitives, and utilities into a single import path for consumers.

## Key Components

### Supporting Primitives
- **`EntityAuthorCard`** — Author display card with metadata cells (`EntityMetadataValueCell`, `EntityMetadataAuthorCell`)
- **`EntityPortraitCard`** — Portrait-style entity card with person data
- **`BlogImagePlaceholder`** — Placeholder component for blog cover images
- **`useCoverImageFallback` / `hideOnError`** — Hook and utility for cover image error handling
- **`AdminContentCard`** — Admin-facing content card
- **`WhatIShippedCard`** — Shipped-item card with skeleton loader

### Chat Surface Cards
- **`BlockCard`**, **`ChatTicketItem`**, **`ChatVideoEntityCard`** — Flat inline chat cards
- **`ProductReleaseCard`** — Release card with size variants and prop builders (`defaultBuildProductReleaseCardProps`, `buildProductReleaseCardProps`)
- **`BlogCard`**, **`CaseStudyCard`**, **`CustomerInterviewCard`**, **`InvestorUpdateCard`** — Content-type cards with skeleton loaders
- **`OnboardingGuideCard`**, **`RoadmapCard`**, **`GitHubActivityCard`**, **`SlackMessageCard`** — Operational entity cards
- **`HubspotTicketCard`**, **`DataRoomDocCard`**, **`ProgramCard`**, **`CampaignCardAdmin`**, **`GenericEntityCard`** — Integration and generic cards

### Dispatch System
- **`renderChatInlineEntityCard`** — Function that resolves and renders the correct card for a given entity type
- **`ChatCardLoader`** — Component wrapper driven by `CHAT_CARD_REGISTRY` in `dispatch.tsx`

### Utilities
- **`programItemToStripProfile`** — Adapter converting program items to strip profile format
- **`TaskTypeIcon`**, **`RoadmapVoteButton`** — Shared UI primitives used across card types

## Usage Example

```typescript
import {
  BlogCard,
  BlogCardSkeleton,
  ProductReleaseCard,
  buildProductReleaseCardProps,
  ChatCardLoader,
  renderChatInlineEntityCard,
  type BlogCardProps,
} from '@openframe/lib/entity-cards'

// Render a blog card — consumer provides the anchor wrapper
const props: BlogCardProps = { href: '/blog/my-post', title: 'Hello', coverUrl: '...' }
;<NavLinkAnchor href={props.href}>
  <BlogCard {...props} />
</NavLinkAnchor>

// Dispatch a card by entity type in a chat surface
renderChatInlineEntityCard({ type: 'blog', entity: blogEntity }, options)

// Build rich product release card props
const cardProps = buildProductReleaseCardProps(release, { size: 'lg' })
```

> **Design contract:** All cards in this directory are pure-presentation components — they accept a pre-resolved `href` and entity data as props and contain no internal navigation logic. Consumers are responsible for wrapping cards with their own anchor components (`NavLinkAnchor` or `NavLinkAnchorViaRuntime`).