fix:goroutines

internal/tui/backup_manager.go

@@ -87,9 +87,23 @@ func (m BackupManagerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			// Delete archive (with confirmation)
 			if len(m.archives) > 0 && m.cursor < len(m.archives) {
 				selected := m.archives[m.cursor]
-				confirm := NewConfirmationModel(m.config, m.logger, m,
+				archivePath := selected.Path
+				confirm := NewConfirmationModelWithAction(m.config, m.logger, m,
 					"🗑️  Delete Archive",
-					fmt.Sprintf("Delete archive '%s'? This cannot be undone.", selected.Name))
+					fmt.Sprintf("Delete archive '%s'? This cannot be undone.", selected.Name),
+					func() (tea.Model, tea.Cmd) {
+						// Delete the archive
+						err := deleteArchive(archivePath)
+						if err != nil {
+							m.err = fmt.Errorf("failed to delete archive: %v", err)
+							m.message = fmt.Sprintf("❌ Failed to delete: %v", err)
+						} else {
+							m.message = fmt.Sprintf("✅ Deleted: %s", selected.Name)
+						}
+						// Refresh the archive list
+						m.loading = true
+						return m, loadArchives(m.config, m.logger)
+					})
 				return confirm, nil
 			}
 

internal/tui/confirmation.go

@@ -20,6 +20,7 @@ type ConfirmationModel struct {
 	cursor    int
 	choices   []string
 	confirmed bool
+	onConfirm func() (tea.Model, tea.Cmd) // Callback when confirmed
 }
 
 func NewConfirmationModel(cfg *config.Config, log logger.Logger, parent tea.Model, title, message string) ConfirmationModel {
@@ -33,6 +34,18 @@ func NewConfirmationModel(cfg *config.Config, log logger.Logger, parent tea.Mode
 	}
 }
 
+func NewConfirmationModelWithAction(cfg *config.Config, log logger.Logger, parent tea.Model, title, message string, onConfirm func() (tea.Model, tea.Cmd)) ConfirmationModel {
+	return ConfirmationModel{
+		config:    cfg,
+		logger:    log,
+		parent:    parent,
+		title:     title,
+		message:   message,
+		choices:   []string{"Yes", "No"},
+		onConfirm: onConfirm,
+	}
+}
+
 func (m ConfirmationModel) Init() tea.Cmd {
 	return nil
 }
@@ -57,7 +70,11 @@ func (m ConfirmationModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case "enter", "y":
 			if msg.String() == "y" || m.cursor == 0 {
 				m.confirmed = true
-				// Execute cluster backup
+				// Execute the onConfirm callback if provided
+				if m.onConfirm != nil {
+					return m.onConfirm()
+				}
+				// Default: execute cluster backup for backward compatibility
 				executor := NewBackupExecution(m.config, m.logger, m.parent, "cluster", "", 0)
 				return executor, executor.Init()
 			}

internal/tui/menu.go

@@ -324,9 +324,13 @@ func (m MenuModel) handleClusterBackup() (tea.Model, tea.Cmd) {
 		m.message = errorStyle.Render("❌ Cluster backup is available only for PostgreSQL targets")
 		return m, nil
 	}
-	confirm := NewConfirmationModel(m.config, m.logger, m,
+	confirm := NewConfirmationModelWithAction(m.config, m.logger, m,
 		"🗄️  Cluster Backup",
-		"This will backup ALL databases in the cluster. Continue?")
+		"This will backup ALL databases in the cluster. Continue?",
+		func() (tea.Model, tea.Cmd) {
+			executor := NewBackupExecution(m.config, m.logger, m, "cluster", "", 0)
+			return executor, executor.Init()
+		})
 	return confirm, nil
 }
 

internal/tui/settings.go

@@ -60,6 +60,47 @@ func NewSettingsModel(cfg *config.Config, log logger.Logger, parent tea.Model) S
 			Type:        "selector",
 			Description: "Target database engine (press Enter to cycle: PostgreSQL → MySQL → MariaDB)",
 		},
+		{
+			Key:         "cpu_workload",
+			DisplayName: "CPU Workload Type",
+			Value:       func(c *config.Config) string { return c.CPUWorkloadType },
+			Update: func(c *config.Config, v string) error {
+				workloads := []string{"balanced", "cpu-intensive", "io-intensive"}
+				currentIdx := 0
+				for i, w := range workloads {
+					if c.CPUWorkloadType == w {
+						currentIdx = i
+						break
+					}
+				}
+				nextIdx := (currentIdx + 1) % len(workloads)
+				c.CPUWorkloadType = workloads[nextIdx]
+				
+				// Recalculate Jobs and DumpJobs based on workload type
+				if c.CPUInfo != nil && c.AutoDetectCores {
+					switch c.CPUWorkloadType {
+					case "cpu-intensive":
+						c.Jobs = c.CPUInfo.PhysicalCores * 2
+						c.DumpJobs = c.CPUInfo.PhysicalCores
+					case "io-intensive":
+						c.Jobs = c.CPUInfo.PhysicalCores / 2
+						if c.Jobs < 1 {
+							c.Jobs = 1
+						}
+						c.DumpJobs = 2
+					default: // balanced
+						c.Jobs = c.CPUInfo.PhysicalCores
+						c.DumpJobs = c.CPUInfo.PhysicalCores / 2
+						if c.DumpJobs < 2 {
+							c.DumpJobs = 2
+						}
+					}
+				}
+				return nil
+			},
+			Type:        "selector",
+			Description: "CPU workload profile (press Enter to cycle: Balanced → CPU-Intensive → I/O-Intensive)",
+		},
 		{
 			Key:         "backup_dir",
 			DisplayName: "Backup Directory",