fix(tui): cancel queued wheel on key input

tui/tui.go

@@ -447,18 +447,18 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.focus = nextFocus(m.focus, 1)
 		case "shift+tab", "left":
 			m.focus = nextFocus(m.focus, -1)
-			case "up", "k":
-				if m.focus == focusRows {
-					m.move(-1)
-				} else {
-					m.scrollFocused(-1)
-				}
-			case "down", "j":
-				if m.focus == focusRows {
-					m.move(1)
-				} else {
-					m.scrollFocused(1)
-				}
+		case "up", "k":
+			if m.focus == focusRows {
+				m.move(-1)
+			} else {
+				m.scrollFocused(-1)
+			}
+		case "down", "j":
+			if m.focus == focusRows {
+				m.move(1)
+			} else {
+				m.scrollFocused(1)
+			}
 		case "pgup", "ctrl+b":
 			if m.focus == focusRows {
 				m.move(-m.pageSize())

tui/tui_test.go

@@ -200,6 +200,30 @@ func TestMouseWheelBurstsAreBuffered(t *testing.T) {
 	}
 }
 
+func TestKeyInputCancelsQueuedWheel(t *testing.T) {
+	items := make([]Item, 0, 10)
+	for i := 0; i < 10; i++ {
+		items = append(items, Item{Title: fmt.Sprintf("row %02d", i), Tags: []string{"message"}})
+	}
+	m := newModel(Options{Title: "archive", Items: items})
+	updated, cmd := m.Update(tea.MouseMsg{Type: tea.MouseWheelDown})
+	m = updated.(model)
+	if cmd == nil || !m.wheelPending {
+		t.Fatal("wheel should queue before key input")
+	}
+	seq := m.wheelSeq
+	updated, _ = m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune{'j'}})
+	m = updated.(model)
+	if m.wheelPending || m.wheelDelta != 0 {
+		t.Fatalf("key input did not cancel queued wheel: pending=%v delta=%d", m.wheelPending, m.wheelDelta)
+	}
+	updated, _ = m.Update(wheelScrollMsg{seq: seq})
+	m = updated.(model)
+	if m.selected != 1 {
+		t.Fatalf("stale wheel changed selection after key input, selected=%d", m.selected)
+	}
+}
+
 func TestMouseWheelTargetsPaneUnderPointer(t *testing.T) {
 	m := newModel(Options{
 		Title: "discrawl archive",