Only send events to clients who need it

- User events (star, rating, plays) only sent to same user
- Don't send to the client (browser window) that originated the event

scanner/scanner.go

@@ -98,7 +98,8 @@ func (s *scanner) rescan(ctx context.Context, mediaFolder string, fullRescan boo
 	if changeCount > 0 {
 		log.Debug(ctx, "Detected changes in the music folder. Sending refresh event",
 			"folder", mediaFolder, "changeCount", changeCount)
-		s.broker.SendMessage(&events.RefreshResource{})
+		// Don't use real context, forcing a refresh in all open windows, including the one that triggered the scan
+		s.broker.SendMessage(context.Background(), &events.RefreshResource{})
 	}
 
 	s.updateLastModifiedSince(mediaFolder, start)
@@ -109,9 +110,9 @@ func (s *scanner) startProgressTracker(mediaFolder string) (chan uint32, context
 	ctx, cancel := context.WithCancel(context.Background())
 	progress := make(chan uint32, 100)
 	go func() {
-		s.broker.SendMessage(&events.ScanStatus{Scanning: true, Count: 0, FolderCount: 0})
+		s.broker.SendMessage(ctx, &events.ScanStatus{Scanning: true, Count: 0, FolderCount: 0})
 		defer func() {
-			s.broker.SendMessage(&events.ScanStatus{
+			s.broker.SendMessage(ctx, &events.ScanStatus{
 				Scanning:    false,
 				Count:       int64(s.status[mediaFolder].fileCount),
 				FolderCount: int64(s.status[mediaFolder].folderCount),
@@ -126,7 +127,7 @@ func (s *scanner) startProgressTracker(mediaFolder string) (chan uint32, context
 					continue
 				}
 				totalFolders, totalFiles := s.incStatusCounter(mediaFolder, count)
-				s.broker.SendMessage(&events.ScanStatus{
+				s.broker.SendMessage(ctx, &events.ScanStatus{
 					Scanning:    true,
 					Count:       int64(totalFiles),
 					FolderCount: int64(totalFolders),