diff --git a/cmd/cloudstic/cmd_tui_activity.go b/cmd/cloudstic/cmd_tui_activity.go
index 695b887..2e9d345 100644
--- a/cmd/cloudstic/cmd_tui_activity.go
+++ b/cmd/cloudstic/cmd_tui_activity.go
@@ -26,8 +26,10 @@ func runTUIActionIntoDashboard(ctx context.Context, r *runner, profilesFile stri
 	screen := r.out
 	if profile, ok := selectedTUIProfile(dashboard); ok {
 		if profileNeedsInit(profile) {
+			log.Start("Initialize store", fmt.Sprintf("profile %s", profile.Name))
 			log.Printf("Initializing store for profile %s", profile.Name)
 		} else {
+			log.Start("Run backup", fmt.Sprintf("profile %s", profile.Name))
 			log.Printf("Running backup for profile %s", profile.Name)
 		}
 	}
@@ -44,21 +46,23 @@ func runTUIActionIntoDashboard(ctx context.Context, r *runner, profilesFile stri
 				return
 			case <-ticker.C:
 				live := dashboard
-				live.ActivityLines = log.Lines()
+				live.Activity = log.Snapshot()
 				_ = renderTUIScreenWidth(screen, live, tuiWidth(r))
 			}
 		}
 	}()
 
 	if err := runSelectedTUIAction(ctx, r, profilesFile, dashboard, log); err != nil {
+		log.Fail(err.Error())
 		log.Printf("Action failed: %v", err)
 	} else {
+		log.Succeed("completed successfully")
 		log.Printf("Action completed successfully")
 	}
 	close(stop)
 	<-done
 
-	dashboard.ActivityLines = mergeTUIActivityLines(dashboard.ActivityLines, log.Lines())
+	dashboard.Activity = log.Snapshot()
 	return dashboard
 }
 
@@ -66,6 +70,7 @@ func runTUICheckIntoDashboard(ctx context.Context, r *runner, profilesFile strin
 	log := newTUIActionState(10)
 	screen := r.out
 	if profile, ok := selectedTUIProfile(dashboard); ok {
+		log.Start("Run repository check", fmt.Sprintf("profile %s", profile.Name))
 		log.Printf("Running repository check for profile %s", profile.Name)
 	}
 
@@ -81,33 +86,26 @@ func runTUICheckIntoDashboard(ctx context.Context, r *runner, profilesFile strin
 				return
 			case <-ticker.C:
 				live := dashboard
-				live.ActivityLines = log.Lines()
+				live.Activity = log.Snapshot()
 				_ = renderTUIScreenWidth(screen, live, tuiWidth(r))
 			}
 		}
 	}()
 
 	if err := runSelectedTUICheck(ctx, r, profilesFile, dashboard, log); err != nil {
+		log.Fail(err.Error())
 		log.Printf("Check failed: %v", err)
 	} else {
+		log.Succeed("completed successfully")
 		log.Printf("Check completed successfully")
 	}
 	close(stop)
 	<-done
 
-	dashboard.ActivityLines = mergeTUIActivityLines(dashboard.ActivityLines, log.Lines())
+	dashboard.Activity = log.Snapshot()
 	return dashboard
 }
 
-func mergeTUIActivityLines(existing, recent []string) []string {
-	merged := append([]string{}, recent...)
-	merged = append(merged, existing...)
-	if len(merged) > 10 {
-		merged = merged[:10]
-	}
-	return merged
-}
-
 type crlfWriter struct {
 	w io.Writer
 }
@@ -144,6 +142,7 @@ type tuiActionState struct {
 	limit int
 	buf   bytes.Buffer
 	phase *tuiPhaseState
+	panel tui.ActivityPanel
 }
 
 type tuiPhaseState struct {
@@ -166,6 +165,35 @@ func (l *tuiActionState) Reporter() cloudstic.Reporter {
 	return tuiReporter{state: l}
 }
 
+func (l *tuiActionState) Start(action, target string) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	l.panel.Status = tui.ActivityStatusRunning
+	if target != "" {
+		l.panel.Action = fmt.Sprintf("%s (%s)", action, target)
+	} else {
+		l.panel.Action = action
+	}
+	l.panel.Summary = ""
+	l.panel.UpdatedAt = ""
+}
+
+func (l *tuiActionState) Succeed(summary string) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	l.panel.Status = tui.ActivityStatusSuccess
+	l.panel.Summary = summary
+	l.panel.UpdatedAt = time.Now().Local().Format("2006-01-02 15:04:05")
+}
+
+func (l *tuiActionState) Fail(summary string) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	l.panel.Status = tui.ActivityStatusError
+	l.panel.Summary = summary
+	l.panel.UpdatedAt = time.Now().Local().Format("2006-01-02 15:04:05")
+}
+
 func (l *tuiActionState) Write(p []byte) (int, error) {
 	l.mu.Lock()
 	defer l.mu.Unlock()
@@ -194,11 +222,25 @@ func (l *tuiActionState) Lines() []string {
 		l.append(tail)
 		l.buf.Reset()
 	}
-	lines := append([]string{}, l.lines...)
-	if summary := l.phaseSummary(); summary != "" {
-		lines = append([]string{summary}, lines...)
+	return append([]string{}, l.lines...)
+}
+
+func (l *tuiActionState) Snapshot() tui.ActivityPanel {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	if tail := strings.TrimSpace(l.buf.String()); tail != "" {
+		l.append(tail)
+		l.buf.Reset()
+	}
+	panel := l.panel
+	panel.Lines = append([]string{}, l.lines...)
+	panel.Phase = l.phaseName()
+	if l.phase != nil {
+		panel.Current = l.phase.current
+		panel.Total = l.phase.total
+		panel.IsBytes = l.phase.isBytes
 	}
-	return lines
+	return panel
 }
 
 func (l *tuiActionState) append(line string) {
@@ -212,18 +254,11 @@ func (l *tuiActionState) append(line string) {
 	}
 }
 
-func (l *tuiActionState) phaseSummary() string {
+func (l *tuiActionState) phaseName() string {
 	if l.phase == nil || l.phase.name == "" {
 		return ""
 	}
-	switch {
-	case l.phase.total > 0 && l.phase.isBytes:
-		return fmt.Sprintf("%s %s / %s", l.phase.name, formatBytes(l.phase.current), formatBytes(l.phase.total))
-	case l.phase.total > 0:
-		return fmt.Sprintf("%s %d / %d", l.phase.name, l.phase.current, l.phase.total)
-	default:
-		return l.phase.name
-	}
+	return l.phase.name
 }
 
 type tuiReporter struct {
diff --git a/cmd/cloudstic/cmd_tui_test.go b/cmd/cloudstic/cmd_tui_test.go
index 1ca9099..736091c 100644
--- a/cmd/cloudstic/cmd_tui_test.go
+++ b/cmd/cloudstic/cmd_tui_test.go
@@ -530,11 +530,14 @@ func TestTUISession_HandleActionRunRefreshesDashboard(t *testing.T) {
 	if s.dashboard.SelectedProfile != "docs" {
 		t.Fatalf("selected profile lost after refresh: %+v", s.dashboard)
 	}
-	if len(s.dashboard.ActivityLines) == 0 {
+	if len(s.dashboard.Activity.Lines) == 0 {
 		t.Fatalf("expected activity lines after action")
 	}
-	if !strings.Contains(strings.Join(s.dashboard.ActivityLines, "\n"), "Action completed successfully") {
-		t.Fatalf("missing completion activity: %+v", s.dashboard.ActivityLines)
+	if s.dashboard.Activity.Status != tui.ActivityStatusSuccess {
+		t.Fatalf("unexpected activity status: %+v", s.dashboard.Activity)
+	}
+	if !strings.Contains(strings.Join(s.dashboard.Activity.Lines, "\n"), "Action completed successfully") {
+		t.Fatalf("missing completion activity: %+v", s.dashboard.Activity)
 	}
 }
 
@@ -551,7 +554,7 @@ func TestTUISession_RefreshPreservesSelectionAndActivity(t *testing.T) {
 
 	s := newTUISession(&runner{}, "profiles.yaml", tui.Dashboard{
 		SelectedProfile: "docs",
-		ActivityLines:   []string{"running"},
+		Activity:        tui.ActivityPanel{Status: tui.ActivityStatusRunning, Lines: []string{"running"}},
 		Profiles:        []tui.ProfileCard{{Name: "docs"}},
 	})
 	if err := s.refresh(context.Background()); err != nil {
@@ -560,8 +563,8 @@ func TestTUISession_RefreshPreservesSelectionAndActivity(t *testing.T) {
 	if s.dashboard.SelectedProfile != "docs" {
 		t.Fatalf("selection not preserved: %+v", s.dashboard)
 	}
-	if len(s.dashboard.ActivityLines) != 1 || s.dashboard.ActivityLines[0] != "running" {
-		t.Fatalf("activity not preserved: %+v", s.dashboard.ActivityLines)
+	if len(s.dashboard.Activity.Lines) != 1 || s.dashboard.Activity.Lines[0] != "running" {
+		t.Fatalf("activity not preserved: %+v", s.dashboard.Activity)
 	}
 }
 
diff --git a/cmd/cloudstic/tui_runtime.go b/cmd/cloudstic/tui_runtime.go
index b5846ac..b92f627 100644
--- a/cmd/cloudstic/tui_runtime.go
+++ b/cmd/cloudstic/tui_runtime.go
@@ -305,13 +305,13 @@ func (s *tuiSession) handleAction(ctx context.Context, action tuiAction) (int, e
 
 func (s *tuiSession) refresh(ctx context.Context) error {
 	selected := s.dashboard.SelectedProfile
-	activity := append([]string{}, s.dashboard.ActivityLines...)
+	activity := s.dashboard.Activity
 	dashboard, err := tuiBuildDashboard(ctx, s.profilesFile)
 	if err != nil {
 		return err
 	}
 	dashboard.SelectedProfile = selected
-	dashboard.ActivityLines = activity
+	dashboard.Activity = activity
 	s.dashboard = ensureSelectedProfile(dashboard)
 	return nil
 }
diff --git a/internal/tui/dashboard.go b/internal/tui/dashboard.go
index 13dfddb..5f3c3ee 100644
--- a/internal/tui/dashboard.go
+++ b/internal/tui/dashboard.go
@@ -16,10 +16,31 @@ type Dashboard struct {
 	StoreCount      int
 	AuthCount       int
 	SelectedProfile string
-	ActivityLines   []string
+	Activity        ActivityPanel
 	Profiles        []ProfileCard
 }
 
+type ActivityStatus string
+
+const (
+	ActivityStatusIdle    ActivityStatus = ""
+	ActivityStatusRunning ActivityStatus = "running"
+	ActivityStatusSuccess ActivityStatus = "success"
+	ActivityStatusError   ActivityStatus = "error"
+)
+
+type ActivityPanel struct {
+	Status    ActivityStatus
+	Action    string
+	Phase     string
+	Current   int64
+	Total     int64
+	IsBytes   bool
+	Summary   string
+	UpdatedAt string
+	Lines     []string
+}
+
 type ActionKind string
 
 const (
diff --git a/internal/tui/shell.go b/internal/tui/shell.go
index 2ffb82a..bcaf58f 100644
--- a/internal/tui/shell.go
+++ b/internal/tui/shell.go
@@ -57,11 +57,7 @@ func RenderDashboardWidth(w io.Writer, d Dashboard, width int) error {
 		return err
 	}
 
-	activity := d.ActivityLines
-	if len(activity) == 0 {
-		activity = []string{fmt.Sprintf("%sNo recent activity.%s", ui.Dim, ui.Reset)}
-	}
-	if err := renderBoxExact(w, "Activity", activity, panelWidth(width)); err != nil {
+	if err := renderBoxExact(w, "Activity", renderActivityPanel(d.Activity), panelWidth(width)); err != nil {
 		return err
 	}
 
@@ -166,6 +162,36 @@ func renderProfileList(d Dashboard) []string {
 	return lines
 }
 
+func renderActivityPanel(activity ActivityPanel) []string {
+	lines := []string{}
+	if activity.Status != ActivityStatusIdle {
+		lines = append(lines, profileDetailLine("Status", activityStatusLabel(activity.Status)))
+	}
+	if activity.Action != "" {
+		lines = append(lines, profileDetailLine("Action", activity.Action))
+	}
+	if activity.Phase != "" {
+		lines = append(lines, profileDetailLine("Phase", activity.Phase))
+	}
+	if bar := progressBarLine(activity, 28); bar != "" {
+		lines = append(lines, profileDetailLine("Progress", bar))
+	}
+	if activity.Summary != "" {
+		lines = append(lines, profileDetailLine("Result", activity.Summary))
+	}
+	if activity.UpdatedAt != "" {
+		lines = append(lines, profileDetailLine("Updated", activity.UpdatedAt))
+	}
+	if len(lines) > 0 && len(activity.Lines) > 0 {
+		lines = append(lines, "")
+	}
+	lines = append(lines, activity.Lines...)
+	if len(lines) == 0 {
+		return []string{fmt.Sprintf("%sNo recent activity.%s", ui.Dim, ui.Reset)}
+	}
+	return lines
+}
+
 func renderSelectedProfile(d Dashboard) []string {
 	profile, ok := selectedProfileCard(d)
 	if !ok {
@@ -325,6 +351,63 @@ func backupFreshnessLabel(state BackupFreshness) string {
 	}
 }
 
+func activityStatusLabel(status ActivityStatus) string {
+	switch status {
+	case ActivityStatusRunning:
+		return "running"
+	case ActivityStatusSuccess:
+		return "success"
+	case ActivityStatusError:
+		return "failed"
+	default:
+		return ""
+	}
+}
+
+func progressBarLine(activity ActivityPanel, width int) string {
+	if activity.Total <= 0 || activity.Current < 0 || width <= 0 {
+		return ""
+	}
+	current := activity.Current
+	if current > activity.Total {
+		current = activity.Total
+	}
+	ratio := float64(current) / float64(activity.Total)
+	filled := int(ratio * float64(width))
+	if filled > width {
+		filled = width
+	}
+	if filled < 0 {
+		filled = 0
+	}
+	bar := strings.Repeat("=", filled) + strings.Repeat("-", width-filled)
+	if activity.IsBytes {
+		return fmt.Sprintf("[%s] %s / %s", bar, formatBytesLabel(current), formatBytesLabel(activity.Total))
+	}
+	return fmt.Sprintf("[%s] %d / %d", bar, current, activity.Total)
+}
+
+func formatBytesLabel(b int64) string {
+	const (
+		kb = 1024
+		mb = 1024 * kb
+		gb = 1024 * mb
+		tb = 1024 * gb
+	)
+	switch {
+	case b >= tb:
+		return fmt.Sprintf("%.1f TiB", float64(b)/float64(tb))
+	case b >= gb:
+		return fmt.Sprintf("%.1f GiB", float64(b)/float64(gb))
+	case b >= mb:
+		return fmt.Sprintf("%.1f MiB", float64(b)/float64(mb))
+	case b >= kb:
+		return fmt.Sprintf("%.1f KiB", float64(b)/float64(kb))
+	default:
+		return fmt.Sprintf("%d B", b)
+	}
+}
+
 func visibleLen(s string) int {
 	n := 0
 	inEscape := false
diff --git a/internal/tui/shell_test.go b/internal/tui/shell_test.go
index e563a5b..6b53726 100644
--- a/internal/tui/shell_test.go
+++ b/internal/tui/shell_test.go
@@ -11,6 +11,17 @@ func TestRenderDashboard(t *testing.T) {
 		StoreCount:      1,
 		AuthCount:       0,
 		SelectedProfile: "documents",
+		Activity: ActivityPanel{
+			Status:    ActivityStatusSuccess,
+			Action:    "Run backup (profile documents)",
+			Phase:     "Scanning",
+			Current:   512,
+			Total:     1024,
+			IsBytes:   true,
+			Summary:   "completed successfully",
+			UpdatedAt: "2026-04-03 15:05:00",
+			Lines:     []string{"Snapshot abc123 saved"},
+		},
 		Profiles: []ProfileCard{
 			{
 				Name:        "documents",
@@ -56,7 +67,13 @@ func TestRenderDashboard(t *testing.T) {
 		"2026-04-03 11:05 (recent)",
 		"Ref",
 		"abc123",
-		"No recent activity.",
+		"success",
+		"Run backup (profile documents)",
+		"Scanning",
+		"[==============--------------] 512 B / 1.0 KiB",
+		"completed successfully",
+		"2026-04-03 15:05:00",
+		"Snapshot abc123 saved",
 		"Press c to run repository check",
 		"Use ↑/↓ to select a profile. Press b to backup/init, c to check, q to quit.",
 	} {