Bump picker and list visible limits from 10 to 20

internal/tui/picker.go

@@ -28,16 +28,17 @@ func (i PickerItem) FilterValue() string {
 
 // pickerModel is the bubbletea model for a fuzzy picker.
 type pickerModel struct {
-	items        []PickerItem
-	filtered     []PickerItem
-	textInput    textinput.Model
-	cursor       int
-	selected     *PickerItem
-	quitting     bool
-	styles       *Styles
-	title        string
-	maxVisible   int
-	scrollOffset int
+	items         []PickerItem
+	filtered      []PickerItem
+	textInput     textinput.Model
+	cursor        int
+	selected      *PickerItem
+	quitting      bool
+	styles        *Styles
+	title         string
+	maxVisible    int
+	maxVisibleCap int // configured upper bound, restored on terminal grow
+	scrollOffset  int
 
 	// Loading state
 	loading    bool
@@ -66,7 +67,11 @@ func WithPickerTitle(title string) PickerOption {
 // WithMaxVisible sets the maximum number of visible items.
 func WithMaxVisible(n int) PickerOption {
 	return func(m *pickerModel) {
+		if n < 1 {
+			n = 1
+		}
 		m.maxVisible = n
+		m.maxVisibleCap = n
 	}
 }
 
@@ -123,7 +128,8 @@ func newPickerModel(items []PickerItem, opts ...PickerOption) pickerModel {
 		textInput:     ti,
 		styles:        styles,
 		title:         "Select an item",
-		maxVisible:    10,
+		maxVisible:    20,
+		maxVisibleCap: 20,
 		spinner:       s,
 		loadingMsg:    "Loading…",
 		emptyMessage:  "No items found",
@@ -233,6 +239,21 @@ func (m pickerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 		return m, textinput.Blink
 
+	case tea.WindowSizeMsg:
+		// Clamp maxVisible to fit the terminal: reserve lines for
+		// title, blank, input, blank, scroll indicator, help.
+		const chromeLines = 6
+		if avail := msg.Height - chromeLines; avail >= 1 {
+			m.maxVisible = min(avail, m.maxVisibleCap)
+		}
+		// Re-clamp cursor and scroll offset to the new visible window
+		if m.cursor >= len(m.filtered) && len(m.filtered) > 0 {
+			m.cursor = len(m.filtered) - 1
+		}
+		if m.cursor >= m.scrollOffset+m.maxVisible {
+			m.scrollOffset = m.cursor - m.maxVisible + 1
+		}
+
 	case spinner.TickMsg:
 		if m.loading {
 			var cmd tea.Cmd

internal/tui/workspace/widget/list.go

@@ -322,7 +322,7 @@ func (l *List) handleFilterKey(km tea.KeyPressMsg) tea.Cmd {
 func (l *List) visibleHeight() int {
 	h := l.height
 	if h <= 0 {
-		h = 10
+		h = 20
 	}
 	if l.filtering || l.filter != "" {
 		h--