Inventory Systems in Godot 4.3+

All examples target Godot 4.3+ with no deprecated APIs. This skill carries the decisions; the implementations live in references/ (GDScript first, then C#) — load the one you need.

Related skills: resource-pattern for custom Resource data containers, save-load for inventory serialization, event-bus for inventory change notifications, hud-system for inventory UI display, popochiu for adventure-game inventory.

1. Architecture Overview