Add offline-first task-master TUI with tickets, board lists, and undo.

Charm-based CLI with JSON persistence, status/list filters, external editor editing, command-history undo/redo, and glamour markdown without AutoStyle OSC hangs.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/ui/views/status.go

@@ -0,0 +1,83 @@
+package views
+
+import (
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+
+	"task/internal/ticket"
+)
+
+// StatusMenu renders a status picker overlay.
+type StatusMenu struct {
+	Cursor int
+	Width  int
+	Styles StatusMenuStyles
+}
+
+// StatusMenuStyles holds styles for the status picker.
+type StatusMenuStyles struct {
+	Box      lipgloss.Style
+	Title    lipgloss.Style
+	Selected lipgloss.Style
+	Normal   lipgloss.Style
+}
+
+// NewStatusMenu creates a menu with the given status pre-selected.
+func NewStatusMenu(current ticket.Status, width int, styles StatusMenuStyles) StatusMenu {
+	return StatusMenu{
+		Cursor: current.Index(),
+		Width:  width,
+		Styles: styles,
+	}
+}
+
+// MoveDown moves the selection down.
+func (m *StatusMenu) MoveDown() {
+	if m.Cursor < len(ticket.AllStatuses)-1 {
+		m.Cursor++
+	}
+}
+
+// MoveUp moves the selection up.
+func (m *StatusMenu) MoveUp() {
+	if m.Cursor > 0 {
+		m.Cursor--
+	}
+}
+
+// Selected returns the currently highlighted status.
+func (m StatusMenu) Selected() ticket.Status {
+	if m.Cursor < 0 || m.Cursor >= len(ticket.AllStatuses) {
+		return ticket.StatusTodo
+	}
+	return ticket.AllStatuses[m.Cursor]
+}
+
+// View renders the status menu.
+func (m StatusMenu) View() string {
+	var lines []string
+	lines = append(lines, m.Styles.Title.Render("Set status"))
+	for i, st := range ticket.AllStatuses {
+		label := "  " + st.Label()
+		if i == m.Cursor {
+			label = m.Styles.Selected.Render("▸ " + st.Label())
+		} else {
+			label = m.Styles.Normal.Render(label)
+		}
+		lines = append(lines, label)
+	}
+	body := strings.Join(lines, "\n")
+	w := m.Width
+	if w < 20 {
+		w = 20
+	}
+	return m.Styles.Box.Width(min(40, w-2)).Render(body)
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}