Type Alias: HistoryStackValue

HistoryStackValue = (HistoryItem | ModularHistoryItem)[]

Represents the complete history stack of configuration changes.

This type defines an array of history items that tracks the entire sequence of changes made during a configuration session. It supports both standard product configurations (HistoryItem) and modular product configurations (ModularHistoryItem).

The history stack is used to implement undo/redo functionality and to display the configuration timeline to users.