feat(dialog): track last closed dialog in open with grace

internal/ui/dialog/dialog.go

@@ -69,6 +69,13 @@ type Overlay struct {
 	// dialog was opened via OpenDialogWithGrace.
 	graceOpenedAt    time.Time
 	graceLastInputAt time.Time
+
+	// Track recently closed dialog IDs so that reopening the same
+	// dialog type can skip the grace period. This prevents rapid
+	// successive dialogs (e.g. multiple permission prompts) from
+	// each eating a keystroke.
+	lastClosedID string
+	lastClosedAt time.Time
 }
 
 // NewOverlay creates a new [Overlay] instance.
@@ -106,9 +113,21 @@ func (d *Overlay) OpenDialog(dialog Dialog) {
 // comes first. Use this for dialogs that open asynchronously (e.g.
 // permission prompts) where in-flight keystrokes from a previously
 // focused component could act on the dialog before the user sees it.
+//
+// If the same dialog ID was just closed (within reopenGraceWindow),
+// the grace period is skipped — the user is already focused on this
+// dialog type and rapid successive prompts should not eat keystrokes.
 func (d *Overlay) OpenDialogWithGrace(dialog Dialog) {
 	now := time.Now()
 	d.dialogs = append(d.dialogs, dialog)
+
+	// Skip grace when reopening the same dialog type immediately.
+	if dialog.ID() == d.lastClosedID && now.Sub(d.lastClosedAt) < reopenGraceWindow {
+		d.graceOpenedAt = time.Time{}
+		d.graceLastInputAt = time.Time{}
+		return
+	}
+
 	d.graceOpenedAt = now
 	d.graceLastInputAt = now
 }
@@ -146,7 +165,15 @@ func (d *Overlay) CloseFrontDialog() {
 	d.removeDialog(len(d.dialogs) - 1)
 }
 
+// reopenGraceWindow is how long after closing a dialog we consider
+// a reopen of the same dialog ID to be "immediate" and skip grace.
+const reopenGraceWindow = 500 * time.Millisecond
+
 func (d *Overlay) removeDialog(idx int) {
+	if idx == len(d.dialogs)-1 {
+		d.lastClosedID = d.dialogs[idx].ID()
+		d.lastClosedAt = time.Now()
+	}
 	d.dialogs = append(d.dialogs[:idx], d.dialogs[idx+1:]...)
 	// Clear grace state when the front dialog changes.
 	if idx == len(d.dialogs) {

internal/ui/dialog/overlay_test.go

@@ -129,3 +129,61 @@ func TestOverlay_NonKeyMessagesPassDuringGrace(t *testing.T) {
 	o.Update(tea.MouseWheelMsg{})
 	require.Len(t, d.received, 1, "non-key messages should pass through during grace")
 }
+
+// TestOverlay_ReopenSameDialogSkipsGrace verifies that when a dialog is
+// closed and immediately reopened with the same ID (e.g. successive
+// permission prompts), the grace period is skipped so the user can
+// continue interacting without lost keystrokes.
+func TestOverlay_ReopenSameDialogSkipsGrace(t *testing.T) {
+	t.Parallel()
+
+	d1 := &stubDialog{id: "permissions"}
+	o := NewOverlay()
+	o.OpenDialogWithGrace(d1)
+
+	// Close and immediately reopen with the same ID.
+	o.CloseDialog("permissions")
+	d2 := &stubDialog{id: "permissions"}
+	o.OpenDialogWithGrace(d2)
+
+	// Keys should reach the new dialog immediately — no grace.
+	o.Update(keyMsg('a'))
+	require.Len(t, d2.received, 1, "reopened dialog with same ID should skip grace")
+}
+
+// TestOverlay_ReopenDifferentDialogKeepsGrace verifies that reopening a
+// different dialog ID still gets the normal grace period.
+func TestOverlay_ReopenDifferentDialogKeepsGrace(t *testing.T) {
+	t.Parallel()
+
+	d1 := &stubDialog{id: "permissions"}
+	o := NewOverlay()
+	o.OpenDialogWithGrace(d1)
+	o.CloseDialog("permissions")
+
+	d2 := &stubDialog{id: "other"}
+	o.OpenDialogWithGrace(d2)
+
+	o.Update(keyMsg('a'))
+	require.Empty(t, d2.received, "different dialog ID should still have grace period")
+}
+
+// TestOverlay_ReopenAfterWindowExpiresKeepsGrace verifies that if enough
+// time passes between close and reopen, the grace period applies normally.
+func TestOverlay_ReopenAfterWindowExpiresKeepsGrace(t *testing.T) {
+	t.Parallel()
+
+	d1 := &stubDialog{id: "permissions"}
+	o := NewOverlay()
+	o.OpenDialogWithGrace(d1)
+	o.CloseDialog("permissions")
+
+	// Backdate the close time so it falls outside the reopen window.
+	o.lastClosedAt = time.Now().Add(-reopenGraceWindow - time.Millisecond)
+
+	d2 := &stubDialog{id: "permissions"}
+	o.OpenDialogWithGrace(d2)
+
+	o.Update(keyMsg('a'))
+	require.Empty(t, d2.received, "reopened dialog after window expires should have grace")
+}