lock

type Handler interface {
	// PromptSubmitBeforeLock prompts user to submit unpushed changes before locking
	// Returns true to submit before locking, false to skip
	PromptSubmitBeforeLock(unpushedBranches []string) (bool, error)

	// PromptUnlockDownstack prompts user to also unlock downstack locked branches
	// Returns true to unlock downstack branches, false to skip
	PromptUnlockDownstack(lockedBranchNames []string) (bool, error)

	// GetSubmitHandler returns a handler for the nested submit operation
	GetSubmitHandler() submit.Handler

	// Cleanup restores terminal state (may be no-op)
	Cleanup()

	// IsInteractive returns true if the handler supports interactive prompts
	IsInteractive() bool
}

type NullHandler struct {
	handler.NullBase
}