antigravity-skills-reference/skills/ddd-context-mapping/references/context-map-patterns.md

Context Mapping Patterns

Common relationship patterns

• Partnership
• Shared Kernel
• Customer-Supplier
• Conformist
• Anti-Corruption Layer
• Open Host Service
• Published Language

Mapping template

Upstream context	Downstream context	Pattern	Contract owner	Translation needed
Billing	Checkout	Customer-Supplier	Billing	Yes
Identity	Checkout	Conformist	Identity	No

ACL checklist

• Define canonical domain model for receiving context.
• Translate external terms into local ubiquitous language.
• Keep ACL code at boundary, not inside domain core.
• Add contract tests for mapped behavior.