Fix snapshotter initialization and remove initial snapshot on startup

- Remove immediate snapshot when periodic goroutine starts
- Fix variable shadowing issue in snapshotter creation
- Add debug logging for snapshotter shutdown
- Snapshots now only occur after 10 minutes or on shutdown

internal/snapshotter/snapshotter.go

@@ -115,11 +115,7 @@ func (s *Snapshotter) periodicSnapshot() {
 	ticker := time.NewTicker(snapshotInterval)
 	defer ticker.Stop()
 
-	// Take an initial snapshot
-	if err := s.TakeSnapshot(); err != nil {
-		s.logger.Error("Failed to take initial snapshot", "error", err)
-	}
-
+	// Wait for the first interval before taking any snapshots
 	for {
 		select {
 		case <-s.ctx.Done():