# XWUIErrorBoundary

Framework-agnostic fallback. Host calls fail(); Retry restores content. Do not nest NonIdealState.

## Basic Usage

Healthy subtree.

```example
file: examples/BasicUsage.ts
html: examples/BasicUsage.html
title: Basic Usage
description: Healthy subtree.
```

## Failed

Alert + retry.

```example
file: examples/Failed.ts
html: examples/Failed.html
title: Failed
description: Alert + retry.
```

## Content

Text child, never HTML.

```example
file: examples/Content.ts
html: examples/Content.html
title: Content
description: Text child, never HTML.
```

## Retry

Host clears the failure.

```example
file: examples/Retry.ts
html: examples/Retry.html
title: Retry
description: Host clears the failure.
```

```api
```