Defined MAC Figma boundary

Property	Value
description	Documented MAC Figma as the design workflow layer rather than a product governance source.
version	0.1.0
related	MAC Figma, Repo Boundaries

• Defined ownership for Figma file organization, design assets, component naming, and Figma-to-implementation handoff guidance.
• Recorded the relationship to mac-neo and mac-codex without making mac-figma the product governance source.