feat(tui): plan 卡片 /continue 恢复 + 可滚动 4 行窗口 + Ctrl+S/Ctrl+C 修复#599

lsdefine merged 2 commits into

lsdefine:mainlsdefine/GenericAgent:mainfrom

nianyucatfish:feat/tui-continue-plan-ctrlscnianyucatfish/GenericAgent:feat/tui-continue-plan-ctrlscCopy head branch name to clipboard