messages

type AutoScrollTickMsg struct {
	Direction int // -1 for up, 1 for down
}

type DebouncedCopyMsg struct {
	ClickID int // Unique identifier to match with current selection state
}

type Model interface {
	layout.Model
	layout.Sizeable
	layout.Focusable
	layout.Help
	layout.Positionable

	AddUserMessage(content string) tea.Cmd
	AddLoadingMessage(description string) tea.Cmd
	ReplaceLoadingWithUser(content string) tea.Cmd
	AddErrorMessage(content string) tea.Cmd
	AddAssistantMessage() tea.Cmd
	AddCancelledMessage() tea.Cmd
	AddWelcomeMessage(content string) tea.Cmd
	AddOrUpdateToolCall(agentName string, toolCall tools.ToolCall, toolDef tools.Tool, status types.ToolStatus) tea.Cmd
	AddToolResult(msg *runtime.ToolCallResponseEvent, status types.ToolStatus) tea.Cmd
	AppendToLastMessage(agentName string, messageType types.MessageType, content string) tea.Cmd
	AddShellOutputMessage(content string) tea.Cmd
	LoadFromSession(sess *session.Session) tea.Cmd

	ScrollToBottom() tea.Cmd
}

type StreamCancelledMsg struct {
	ShowMessage bool // Whether to show a cancellation message after cleanup
}

type ToggleHideToolResultsMsg struct{}