Updated governance boundaries

Property	Value
description	Refined shared governance notes for MAC Figma, MAC Clover, and MAC Canvas.
version	0.5.0
type	Update
related	MAC, Repo Boundaries

• Documented mac-figma as a design workflow layer that can feed mac-neo and mac-codex without owning product governance.
• Clarified that mac-clover consumes shared governance and does not replace mac-codex, mac-mcp, or product repo context.
• Clarified that mac-canvas remains scope-defined as a planned canvas/workspace product.