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Adds hole image display in course banner
Enhances the user experience by embedding a visual hole layout below course info Ensures accessibility with alt text and graceful error handling for broken images References new documentation covering future enhancements
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‎.ai-context.md‎

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| Event handling | [ACTIVITY_SESSION_STATE.md](./docs/technical/ACTIVITY_SESSION_STATE.md) |
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| Measurement display | [MEASUREMENT_TILES_MULTI_EVENT.md](./docs/technical/MEASUREMENT_TILES_MULTI_EVENT.md) |
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| Hole/shot tracking | [SHOT_NUMBER_CARRY_FORWARD_FIX.md](./docs/technical/SHOT_NUMBER_CARRY_FORWARD_FIX.md) |
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| Course info & images | [HOLE_IMAGE_DISPLAY.md](./docs/technical/HOLE_IMAGE_DISPLAY.md) |
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| Unit conversion | [UNIT_CONVERSION_SYSTEM.md](./docs/technical/UNIT_CONVERSION_SYSTEM.md) |
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| Filtering events | [DEVICE_ID_FILTERING.md](./docs/technical/DEVICE_ID_FILTERING.md) |
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| Local development | [WEBHOOK_LOCAL_FIX.md](./docs/technical/WEBHOOK_LOCAL_FIX.md) |

‎docs/technical/HOLE_IMAGE_DISPLAY.md‎

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# Hole Image Display Feature
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## Overview
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Added visual hole layout image to the CourseInfoBanner component. When viewing events from a course play activity, the banner now displays the hole layout image below the course information and progress section.
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## Implementation
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### Data Source
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Course information is fetched via GraphQL using the `GET_COURSE_INFORMATION` query which includes:
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```graphql
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query GetCourseInformation($courseId: ID!) {
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node(id: $courseId) {
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... on Course {
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displayName
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difficulty
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description
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holes {
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holeNumber
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images {
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url
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metaDataUrl
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}
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}
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}
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}
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}
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```
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Each hole can have multiple images with:
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- `url` - Direct image URL
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- `metaDataUrl` - Optional metadata URL
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### Component Changes
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#### CourseInfoBanner.tsx
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Added a new section at the bottom of the banner:
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```tsx
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{/* Display hole image if available */}
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{eventHole !== undefined && courseInfo?.holes && (
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<div className="hole-image-container">
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{(() => {
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// Find the hole matching the current event's hole number
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const hole = courseInfo.holes.find(h => h.holeNumber === eventHole);
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if (hole?.images && hole.images.length > 0) {
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return (
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<img
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src={hole.images[0].url}
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alt={`Hole ${eventHole} layout`}
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className="hole-image"
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onError={(e) => {
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// Hide image if it fails to load
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(e.target as HTMLElement).style.display = 'none';
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}}
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/>
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);
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}
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return null;
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})()}
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</div>
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)}
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```
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**Key Features**:
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1. **Conditional Display**: Only shows when `eventHole` is available and course has hole data
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2. **Hole Matching**: Finds the hole by matching `holeNumber` with `eventHole`
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3. **First Image**: Uses the first image in the `images` array
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4. **Error Handling**: Hides image if URL fails to load (broken link, CORS, etc.)
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5. **Accessibility**: Includes descriptive `alt` text
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### Styling
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#### CourseInfoBanner.css
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Added styles for the image container and image:
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```css
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/* Hole Image Styles */
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.hole-image-container {
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margin-top: 12px;
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padding-top: 12px;
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border-top: 1px solid rgba(255, 255, 255, 0.2);
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.hole-image {
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max-width: 100%;
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max-height: 300px;
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border-radius: 6px;
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
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object-fit: contain;
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background: white;
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padding: 4px;
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}
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```
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**Design Choices**:
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- **Separator**: Subtle top border separates image from text content
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- **Centering**: Image is centered horizontally
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- **Max Height**: 300px prevents overly large images
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- **Responsive**: `max-width: 100%` ensures it fits on smaller screens
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- **Object Fit**: `contain` preserves aspect ratio without cropping
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- **White Background**: Provides clean frame for the image
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- **Shadow**: Adds depth and visual separation from banner background
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## Visual Layout
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```
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┌─────────────────────────────────────────────────────┐
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│ 🏌️ Adare Manor │
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│ Difficulty: 4 │
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│ The Golf Course at Adare Manor... │
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│ 18 holes │
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│ ─────────────────────────────────────── │
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│ Hole 1 • Shot 1 • Player 1 │
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│ ─────────────────────────────────────── │
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│ [ Hole 1 Layout Image Display ] │
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│ │
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└─────────────────────────────────────────────────────┘
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```
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## Data Flow
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1. **Session Info Event** received
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- `useActivitySessionState` detects Course activity
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- Calls `FIND_COURSE_ID` GraphQL query
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- Calls `GET_COURSE_INFORMATION` with course ID
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- Stores course data including holes in session state
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2. **ChangePlayer Event** received
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- Sets `eventHole` to `ActiveHole` from event
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- Carried forward to subsequent events
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3. **Banner Render**
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- Gets `courseInfo` from session state
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- Gets `eventHole` from event or carry-forward
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- Finds matching hole in `courseInfo.holes`
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- Displays first image if available
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## Error Handling
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### Missing Data Scenarios
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1. **No event hole**: Image section doesn't render
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2. **No course info**: Image section doesn't render
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3. **No holes data**: Image section doesn't render
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4. **Hole not found**: Returns `null`, no error thrown
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5. **No images for hole**: Returns `null`, graceful degradation
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6. **Image load failure**: `onError` hides the image element
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### Network Issues
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- **Broken URL**: Image disappears via `onError` handler
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- **CORS errors**: Image disappears via `onError` handler
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- **Slow loading**: Browser handles loading state
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- **No visual error**: Prevents broken image icon from showing
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## Testing
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To test the feature:
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1. **Prerequisites**:
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- Course play activity with valid course data
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- Course must have hole images configured
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- ActivitySession events must include ChangePlayer
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2. **Test Steps**:
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```
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1. Start course play activity on simulator
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2. View webhook events in inspector
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3. Click on any event from the session
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4. Verify banner shows:
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- Course name and info
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- Current hole and shot number
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- Hole layout image at bottom
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```
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3. **Expected Results**:
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- Image appears below progress section
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- Image is centered and properly sized
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- Image has white frame and shadow
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- Different holes show different images
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4. **Edge Cases to Test**:
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- Events before first ChangePlayer (no hole image)
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- Course with missing hole images (graceful degradation)
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- Different holes (image changes correctly)
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- Browser resize (image remains responsive)
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## Future Enhancements
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Potential improvements:
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1. **Multiple Images**: Show image carousel if hole has multiple images
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2. **Metadata**: Display additional info from `metaDataUrl`
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3. **Zoom**: Click image to view full-size
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4. **Loading State**: Show skeleton/spinner while image loads
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5. **Caching**: Cache images to improve performance
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6. **Lazy Loading**: Only load image when banner is visible
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7. **Image Selection**: Let user choose which image to display (overhead, green view, etc.)
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## Files Modified
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### Frontend Components
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- ✅ `src/components/CourseInfoBanner.tsx` - Added hole image display logic
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- ✅ `src/components/CourseInfoBanner.css` - Added image styling
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### GraphQL Queries
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- ℹ️ `src/graphql/queries.ts` - No changes (already includes hole images in `GET_COURSE_INFORMATION`)
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### State Management
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- ℹ️ `src/hooks/useActivitySessionState.ts` - No changes (already fetches and stores course info)
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## Related Documentation
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- [Activity Session State](./ACTIVITY_SESSION_STATE.md) - How course info is fetched and stored
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- [Shot Number Carry-Forward Fix](./SHOT_NUMBER_CARRY_FORWARD_FIX.md) - How hole number is determined
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- GraphQL schema - Course and Hole type definitions
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## Performance Considerations
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### Image Loading
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- Images are loaded on-demand when banner renders
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- Browser handles caching automatically
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- No lazy loading implemented (images load immediately)
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### Memory
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- Images are not stored in state
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- React re-renders are minimal (only when event changes)
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- Error handling prevents memory leaks from failed loads
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### Network
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- One image request per hole per session
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- Images may be large (course layouts)
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- Consider implementing lazy loading for large galleries
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## Accessibility
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- ✅ **Alt Text**: Descriptive alt text includes hole number
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- ✅ **Semantic HTML**: Uses standard `<img>` element
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- ✅ **Responsive**: Works on all screen sizes
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- ⚠️ **Screen Readers**: Consider adding more context
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- ⚠️ **Keyboard Navigation**: Image is not interactive (good for display)
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## Browser Compatibility
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- ✅ Modern browsers (Chrome, Firefox, Safari, Edge)
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- ✅ CSS features (flexbox, border-radius, box-shadow)
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- ✅ Error handling via `onError` event
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- ✅ Object-fit support (IE11 may need polyfill)
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---
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**Added**: October 3, 2025
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**Purpose**: Enhance visual context for course play events
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**Impact**: Better user understanding of current hole layout

‎docs/technical/README.md‎

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- [Unit Conversion System](./UNIT_CONVERSION_SYSTEM.md) - Imperial/Metric unit conversion
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- [Device ID Filtering](./DEVICE_ID_FILTERING.md) - Device and bay filtering system
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- [Session Indicators Feature](./SESSION_INDICATORS_FEATURE.md) - Visual session indicators
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- [Hole Image Display](./HOLE_IMAGE_DISPLAY.md) - Visual hole layout images in course info banner
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### Bug Fixes & Improvements
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- [Shot Number Carry-Forward Fix](./SHOT_NUMBER_CARRY_FORWARD_FIX.md) - Making hole/shot persist across events
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2. **Check event handling** → [MEASUREMENT_TILES_MULTI_EVENT.md](./MEASUREMENT_TILES_MULTI_EVENT.md)
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3. **Check filtering** → [DEVICE_ID_FILTERING.md](./DEVICE_ID_FILTERING.md)
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4. **Check recent fixes** → [SHOT_NUMBER_CARRY_FORWARD_FIX.md](./SHOT_NUMBER_CARRY_FORWARD_FIX.md)
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5. **Check course display** → [HOLE_IMAGE_DISPLAY.md](./HOLE_IMAGE_DISPLAY.md)
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### Event Types Reference
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**Frontend**:
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- `src/components/WebhookInspector.tsx` - Main event display
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- `src/components/MeasurementTilesView.tsx` - Measurement tiles
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- `src/components/CourseInfoBanner.tsx` - Course info display
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- `src/components/CourseInfoBanner.tsx` - Course info display with hole images
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- `src/hooks/useActivitySessionState.ts` - Session state hook
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- `src/graphql/queries.ts` - GraphQL queries including course/hole data
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**Backend**:
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- `server/src/index.ts` - Express server, webhook endpoint

‎src/components/CourseInfoBanner.css‎

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opacity: 0.5;
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}
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}
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/* Hole Image Styles */
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.hole-image-container {
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margin-top: 12px;
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padding-top: 12px;
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border-top: 1px solid rgba(255, 255, 255, 0.2);
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.hole-image {
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max-width: 100%;
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max-height: 300px;
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object-fit: contain;
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}

‎src/components/CourseInfoBanner.tsx‎

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)}
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</div>
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</div>
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{/* Display hole image if available */}
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{eventHole !== undefined && courseInfo?.holes && (
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<div className="hole-image-container">
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{(() => {
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const hole = courseInfo.holes.find(h => h.holeNumber === eventHole);
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if (hole?.images && hole.images.length > 0) {
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return (
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<img
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src={hole.images[0].url}
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alt={`Hole ${eventHole} layout`}
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className="hole-image"
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onError={(e) => {
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// Hide image if it fails to load
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(e.target as HTMLElement).style.display = 'none';
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}}
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/>
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);
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}
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return null;
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})()}
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</div>
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)}
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</div>
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);
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};

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