Skill: implement-upgradeable-contracts

Design and implement upgradeable contract patterns for Aptos Move V2, enabling safe contract evolution while maintaining state and security.

When to Use This Skill

Trigger phrases:

• "upgradeable contract", "contract upgrade", "upgradeable pattern"
• "version management", "contract migration", "upgrade strategy"
• "backward compatibility", "contract evolution"
• "proxy pattern", "diamond pattern", "upgradeable module"

Use cases: