feat: save the place on the periodic tick too

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/app/app.go

@@ -168,6 +168,7 @@ type Model struct {
 	cacheDirty bool
 	sourcesAt  map[string]time.Time
 	placeDir   string
+	savedPlace string // the link last saved as the place
 	now        func() time.Time
 
 	// A pending clear of a copied value, counted down in the footer.
@@ -456,7 +457,7 @@ func (m *Model) setVersions(items []provider.Object) {
 
 func (m Model) Init() tea.Cmd {
 	cmds := []tea.Cmd{m.sourcesCmd(), m.spin.Tick, m.checkClipboard()}
-	if m.cachePath != "" {
+	if m.cachePath != "" || m.placeDir != "" {
 		cmds = append(cmds, tea.Tick(persistEvery, func(time.Time) tea.Msg { return persistTickMsg{} }))
 	}
 	if m.fetchOnStart {