0.4.3

Added — ColonyBucks for Player Colonies

• Added ColonyBucks purchasing support for player-founded MineColonies.
• Added the /colonybuy command system.
• Added /colonybuy ui graphical shop.
• Added /colonybuy list.
• Added /colonybuy balance.
• Added /colonybuy buy <resource-id> <item-id> <amount>.

Added — Builder Resource Shop

• Shop now reads actual Builder's Hut Required Resources from active work orders.
• Materials from multiple active Builder's Hut projects can be displayed separately.
• Shows required, supplied, incoming, and remaining quantities.
• Purchase quantities account for outstanding requirements, available ColonyBucks, and citizen inventory capacity.
• Supports different item variants and their normal MineColonies resource identities.
• Uses Colony Autopilot's existing ColonyBucks pricing and treasury system.

Added — MineColonies Delivery Integration

• Purchased materials are transferred to the appropriate citizen inventory.
• Purchases are registered through MineColonies' normal request/overrule system.
• Added validation against changed requirements, prices, permissions, inventory capacity, and available funds.
• Added safeguards against stale or invalid purchases.