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/ticket/board_test.go

@@ -0,0 +1,43 @@
+package ticket_test
+
+import (
+	"testing"
+
+	"task/internal/ticket"
+)
+
+func TestBoardListMatches(t *testing.T) {
+	cases := []struct {
+		list   ticket.BoardList
+		status ticket.Status
+		want   bool
+	}{
+		{ticket.BoardAll, ticket.StatusTodo, true},
+		{ticket.BoardAll, ticket.StatusDone, true},
+		{ticket.BoardBacklog, ticket.StatusTodo, true},
+		{ticket.BoardBacklog, ticket.StatusInProgress, false},
+		{ticket.BoardInProgress, ticket.StatusInProgress, true},
+		{ticket.BoardDone, ticket.StatusDone, true},
+		{ticket.BoardDone, ticket.StatusTodo, false},
+	}
+	for _, tc := range cases {
+		if got := tc.list.Matches(tc.status); got != tc.want {
+			t.Errorf("%s.Matches(%s) = %v, want %v", tc.list, tc.status, got, tc.want)
+		}
+	}
+}
+
+func TestBoardListDefaultStatus(t *testing.T) {
+	if ticket.BoardBacklog.DefaultStatus() != ticket.StatusTodo {
+		t.Fatal("backlog default")
+	}
+	if ticket.BoardInProgress.DefaultStatus() != ticket.StatusInProgress {
+		t.Fatal("in progress default")
+	}
+	if ticket.BoardDone.DefaultStatus() != ticket.StatusDone {
+		t.Fatal("done default")
+	}
+	if ticket.BoardAll.DefaultStatus() != ticket.StatusTodo {
+		t.Fatal("all default")
+	}
+}