v2.0.0

Added

• Script / RentableScript / PurchaseScript hierarchy.
• ScriptManager with Init / Update / Save / Load lifecycle.
• Save-game integration via ProcessEventHook and RamaSave.

Changed

• Overlay menus restructured around the Services tab.
• version.h is now the single source of truth for version strings.

Breaking

• Legacy 1.x config layout is not automatically migrated. Reset Win64\AERR\ before first launch after upgrading.