Discovery task: First draft on temporary siginedin preview for guest users

POC-GUEST-PREVIEW-README.md

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+# Temporary Guest My News POC
+
+This POC implements a temporary signed-in preview experience for guest users to test the hypothesis that allowing non-registered users to build a temporary My News experience will increase BBC account registrations.
+
+## Features Implemented
+
+### 1. Enhanced Save Button for Guests
+- **Location**: `src/app/components/SaveArticleButton/SaveArticleButtonGuestWithPreview/`
+- **Features**:
+  - Hover tooltip on save button with info: "Save this article for later. It will appear in your My News page."
+  - Save/unsave functionality using localStorage
+  - Confirmation notification after saving with link to My News
+  - Visual feedback showing saved state
+
+### 2. Temporary Article Storage
+- **Location**: `src/app/hooks/useTemporarySavedArticles/`
+- **Features**:
+  - Stores articles in browser localStorage
+  - 2-day expiry period
+  - Auto-cleanup on expiry
+  - Tracks save timestamp and article metadata
+
+### 3. Temporary My News Page
+- **Location**: `ws-nextjs-app/pages/[service]/my-news/MyNewsPage/MyNewsPageTemporary/`
+- **Features**:
+  - Displays saved articles in a grid
+  - Prominent banner explaining temporary nature
+  - Shows countdown to expiry
+  - Prompts for registration/sign-in with call-to-action buttons
+  - Integrates with existing AccountActionButtons component
+
+### 4. Integration Points
+- **Article Pages**: Save button now uses `enableGuestPreview` prop to activate POC
+- **My News Page**: Automatically shows temporary view when user has saved articles but isn't signed in
+- **Smooth transition**: When user signs in, they see their temporary saves migrate to permanent storage
+
+## Usage
+
+### Enable on Article Pages
+The POC is enabled by default on article pages. The `SaveArticleButton` component accepts an `enableGuestPreview` prop:
+
+```tsx
+<SaveArticleButton
+  saveArticlePageData={extractSaveArticleProps(articlePageData)}
+  enableGuestPreview={true}
+/>
+```
+
+### User Flow
+
+1. **Article with Save Button**
+   - Guest user sees "Save for later" button
+   - Hovering shows tooltip explaining the feature
+
+2. **Clicking Save**
+   - Article is saved to localStorage
+   - Confirmation notification appears with "View My News" link
+
+3. **Visiting My News Page**
+   - Shows temporary My News page with:
+     - Banner: "This is a temporary page available for 2 days"
+     - Expiry countdown
+     - Sign in / Register buttons
+     - Grid of saved articles
+
+4. **Registration/Sign-in**
+   - User clicks register or sign in
+   - Completes account creation
+   - Returns to My News with personalized experience
+   - (Future enhancement: migrate temporary saves to permanent account)
+
+## Technical Details
+
+### Data Storage
+- **Key**: `bbc_temp_saved_articles`
+- **Expiry Key**: `bbc_temp_saved_articles_expiry`
+- **Format**: JSON array of article objects
+- **Lifecycle**: 2 days from first save
+
+### Article Data Structure
+```typescript
+{
+  id: string;
+  title: string;
+  link: string;
+  imageUrl?: string;
+  imageAlt?: string;
+  promoImage?: string;
+  type: string;
+  description: string;
+  savedAt: number;
+}
+```
+
+### Components Reused
+- `SaveButton` - Base save button component
+- `CurationGrid` - Displays article grid
+- `AccountActionButtons` - Sign in/register buttons
+- `AccountSignInModal` - Modal for guest save (original flow)
+- `Heading`, `Text`, `CallToActionLink` - UI primitives
+
+## Files Created/Modified
+
+### New Files
+- `src/app/hooks/useTemporarySavedArticles/index.ts`
+- `src/app/components/SaveArticleButton/SaveArticleButtonGuestWithPreview/index.tsx`
+- `src/app/components/SaveArticleButton/SaveArticleButtonGuestWithPreview/SaveButtonTooltip.tsx`
+- `src/app/components/SaveArticleButton/SaveArticleButtonGuestWithPreview/SaveArticleConfirmation.tsx`
+- `ws-nextjs-app/pages/[service]/my-news/MyNewsPage/MyNewsPageTemporary/index.tsx`
+
+### Modified Files
+- `src/app/components/SaveArticleButton/index.tsx` - Added `enableGuestPreview` prop
+- `ws-nextjs-app/pages/[service]/my-news/MyNewsPage/index.tsx` - Added conditional rendering for temporary view
+- `src/app/pages/ArticlePage/ArticlePage.tsx` - Enabled guest preview on article pages
+
+## Future Enhancements
+
+1. **Migration on Sign-in**: Transfer temporary saves to permanent UAS storage when user creates account
+2. **Analytics**: Track conversion rates from temporary saves to registrations
+3. **Recommendations**: Show personalized recommendations based on temporary saves
+4. **Persistence Warning**: Show warning before expiry (e.g., "1 hour left")
+5. **Cross-device**: Sync temporary saves using anonymous token
+6. **Topic/Place Following**: Extend to topics and places, not just articles
+
+## Testing
+
+This POC does not include test suites as requested. For manual testing:
+
+1. Open any article page as a guest user
+2. Hover over the save button to see tooltip
+3. Click save and verify confirmation appears
+4. Navigate to My News page
+5. Verify temporary banner and articles display
+6. Wait 2 days or manually clear localStorage to test expiry
+7. Sign in to test transition (saves will not migrate in POC)
+
+[copilot]

src/app/components/SaveArticleButton/SaveArticleButtonGuestWithPreview/SaveArticleConfirmation.tsx

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+import { use, useEffect } from 'react';
+import { ServiceContext } from '#contexts/ServiceContext';
+import Text from '#app/components/Text';
+import CallToActionLink from '#app/components/CallToActionLink';
+import { Close } from '#app/components/icons';
+import { css } from '@emotion/react';
+
+const styles = {
+  overlay: css({
+    position: 'absolute',
+    top: '100%',
+    left: '0',
+    marginTop: '0.75rem',
+    backgroundColor: '#fff',
+    border: '1px solid #ccc',
+    borderRadius: '4px',
+    padding: '1rem',
+    minWidth: '280px',
+    maxWidth: '350px',
+    boxShadow: '0 4px 12px rgba(0,0,0,0.15)',
+    zIndex: 1000,
+    animation: 'fadeIn 0.3s ease-out',
+    '@keyframes fadeIn': {
+      from: {
+        opacity: 0,
+        transform: 'translateY(-10px)',
+      },
+      to: {
+        opacity: 1,
+        transform: 'translateY(0)',
+      },
+    },
+  }),
+  header: css({
+    display: 'flex',
+    justifyContent: 'space-between',
+    alignItems: 'flex-start',
+    marginBottom: '0.5rem',
+  }),
+  closeButton: css({
+    background: 'none',
+    border: 'none',
+    padding: '0.25rem',
+    cursor: 'pointer',
+    display: 'flex',
+    alignItems: 'center',
+    '&:hover': {
+      opacity: 0.7,
+    },
+  }),
+  content: css({
+    marginTop: '0.5rem',
+  }),
+  link: css({
+    marginTop: '0.75rem',
+    display: 'inline-block',
+  }),
+};
+
+interface SaveArticleConfirmationProps {
+  onClose: () => void;
+}
+
+const SaveArticleConfirmation = ({ onClose }: SaveArticleConfirmationProps) => {
+  const { service } = use(ServiceContext);
+
+  const confirmationText = 'Article saved to My News';
+  const linkText = 'View My News';
+
+  const myNewsPath = `/${service}/my-news`;
+
+  useEffect(() => {
+    const timer = setTimeout(() => {
+      onClose();
+    }, 5000);
+
+    return () => clearTimeout(timer);
+  }, [onClose]);
+
+  return (
+    <div css={styles.overlay} role="alert">
+      <div css={styles.header}>
+        <Text size="pica" fontVariant="sansBold">
+          {confirmationText}
+        </Text>
+        <button
+          type="button"
+          onClick={onClose}
+          css={styles.closeButton}
+          aria-label="Close"
+        >
+          <Close width="16" height="16" />
+        </button>
+      </div>
+      <div css={styles.content}>
+        <CallToActionLink
+          url={myNewsPath}
+          css={styles.link}
+          eventTrackingData={{
+            componentName: 'save-article-confirmation-link',
+          }}
+        >
+          <CallToActionLink.Text shouldUnderlineOnHoverFocus>
+            {linkText}
+          </CallToActionLink.Text>
+        </CallToActionLink>
+      </div>
+    </div>
+  );
+};
+
+export default SaveArticleConfirmation;

src/app/components/SaveArticleButton/SaveArticleButtonGuestWithPreview/SaveButtonTooltip.tsx

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+import { css } from '@emotion/react';
+import Text from '#app/components/Text';
+
+interface SaveButtonTooltipProps {
+  isSaved?: boolean;
+}
+
+const styles = {
+  tooltip: css({
+    position: 'absolute',
+    bottom: '100%',
+    left: '50%',
+    transform: 'translateX(-50%)',
+    marginBottom: '0.5rem',
+    padding: '0.75rem 1rem',
+    backgroundColor: '#fff',
+    color: '#222',
+    border: '1px solid #ccc',
+    borderRadius: '4px',
+    whiteSpace: 'normal',
+    maxWidth: '280px',
+    width: 'max-content',
+    minWidth: '200px',
+    zIndex: 1000,
+    boxShadow: '0 2px 12px rgba(0,0,0,0.15)',
+    textAlign: 'center',
+    '&::after': {
+      content: '""',
+      position: 'absolute',
+      top: '100%',
+      left: '50%',
+      marginLeft: '-8px',
+      borderWidth: '8px',
+      borderStyle: 'solid',
+      borderColor: '#fff transparent transparent transparent',
+    },
+    '&::before': {
+      content: '""',
+      position: 'absolute',
+      top: '100%',
+      left: '50%',
+      marginLeft: '-9px',
+      borderWidth: '9px',
+      borderStyle: 'solid',
+      borderColor: '#ccc transparent transparent transparent',
+      zIndex: -1,
+    },
+  }),
+};
+
+const SaveButtonTooltip = ({ isSaved = false }: SaveButtonTooltipProps) => {
+  const unsavedText =
+    'Save this article for later. It will appear in your My News page.';
+  const savedText = 'This article is saved temporarily in your My News page.';
+
+  const tooltipText = isSaved ? savedText : unsavedText;
+
+  return (
+    <div css={styles.tooltip} role="tooltip">
+      <Text size="brevier" fontVariant="sansRegular" css={{ color: '#222' }}>
+        {tooltipText}
+      </Text>
+    </div>
+  );
+};
+
+export default SaveButtonTooltip;