docker-stacks-backup: move success msg after restart, add visible status for each step

- Show 'Stopping containers...' before docker compose down
- Show 'Starting containers...' before docker compose up
- Show 'Dumping named volumes...' during volume backup
- Move 'Backup complete' message to after stack restart

docker-stacks-backup/docker-stacks-backup.sh

@@ -548,7 +548,7 @@ stop_stack() {
   compose_file="$(resolve_compose_file "$stack_path")"
 
   if stack_is_running "$stack_path"; then
-    log "Stopping stack '$stack_name' ($stack_path)..."
+    echo "  ${CYAN}●${RESET} Stopping containers..."
     if [ -n "$compose_file" ]; then
       dry docker compose -f "$compose_file" --project-directory "$stack_path" down 2>/dev/null || \
       dry docker compose -p "$stack_name" down 2>/dev/null || \
@@ -571,7 +571,7 @@ start_stack() {
   compose_file="$(resolve_compose_file "$stack_path")"
 
   if [ -n "$compose_file" ]; then
-    log "Starting stack '$stack_name'..."
+    echo "  ${CYAN}●${RESET} Starting containers..."
     dry docker compose -f "$compose_file" --project-directory "$stack_path" up -d 2>/dev/null || \
     warn "Failed to start stack '$stack_name'"
   fi
@@ -600,6 +600,7 @@ backup_stack() {
   archive_root="$(_resolve_dir "$archive_root")"
   local archive_basename
   archive_basename="$(basename "$stack_path")"
+  local _backup_size=""
 
   header "Backup: ${stack_name}"
 
@@ -622,7 +623,7 @@ backup_stack() {
   if [ "$XB_BACKUP_VOLUMES" = "false" ]; then
     warn_named_volumes "$compose_file" "$stack_name"
   else
-    log "Dumping named volumes..."
+    echo "  ${CYAN}●${RESET} Dumping named volumes..."
     backup_named_volumes "$stack_path" "$stack_name" "$compose_file"
   fi
 
@@ -654,9 +655,7 @@ backup_stack() {
       tar -czf "$backup_file" --same-permissions --preserve-permissions $XB_EXCLUDE -C "$archive_root" "$archive_basename"
     fi
     fix_owner "$backup_file"
-    local size
-    size="$(du -h "$backup_file" | cut -f1)"
-    success "Backup complete: ${BOLD}${size}${RESET}"
+    _backup_size="$(du -h "$backup_file" | cut -f1)"
   fi
 
   # Capture volume state before cleanup
@@ -699,6 +698,10 @@ EOF
   else
     start_stack "$stack_path"
   fi
+
+  if ! $DRY_RUN && [ -n "$_backup_size" ]; then
+    success "Backup complete: ${BOLD}${_backup_size}${RESET}"
+  fi
 }
 
 # --- Interactive Restore Menu ------------------------------------------------