Storybook stories for the `PageLayout` component, covering layout variants including title-only, subtitle/image combinations, mobile responsive behavior, and action button configurations.
## Key Components
| Export | Description |
|---|---|
| `TitleOnly` | Baseline header with title and content, no extras |
| `WithSubtitleAndImage` | Full org detail page with thumbnail, subtitle, back button, and icon-button actions |
| `MobileActionsMenu` | `WithSubtitleAndImage` at mobile viewport — actions collapse into a `…` dropdown |
| `WithSubtitleOnly` | Title + one-line subtitle with primary-button actions, no image |
| `WithImageOnly` | Branded entity header with thumbnail, no subtitle |
| `WithSelector` | Adds a desktop-only `TabSelector` (table/grid toggle) before action buttons |
| `WithSelectorMobile` | `WithSelector` at mobile viewport — selector is hidden, only `…` dropdown remains |
| `LongTitleTruncates` | Validates ellipsis truncation for overflowing titles and subtitles |
## Usage Example
```typescript
// Minimal title-only layout