Contracts Skill

Contracts define interfaces between parallel tasks. They enable safe concurrent implementation by making dependencies explicit.

When to Load This Skill

• Architect: When defining contracts in design
• Executor: When materializing contracts before implementation
• Implementer: When implementing or consuming contracts
• Contract-Resolver: When modifying contracts

Contract Lifecycle

DESIGN → MATERIALIZE → IMPLEMENT → VERIFY → (RESOLVE if blocked)
   ↓          ↓            ↓          ↓            ↓
Architect  Executor   Implementer  Verifier  Contract-Resolver