Inventory, Crafting & Loot Matrix Engine

Headless grid+slot inventory, multi-station crafting pipeline, weighted loot tables & gear sockets. 175 unit tests.

Modular headless inventory, crafting, and loot engine for RPGs, survival games, and roguelikes. Features Resident Evil / Diablo style 2D grid spatial placement with item rotation and collision checks, standard slot-based stack/weight systems, multi-station recipe crafting (shapeless, shaped, catalyst), 4-tier weighted drop matrices, equipment paperdoll sockets with gem durability, and atomic JSON serialization.

• 175/175 Pytest Suite Passing
• Zero External Dependencies
• Atomic Save/Load Persistence
• Royalty-Free Commercial License