docs: add certified capability catalog and product deck

README.md

@@ -85,6 +85,9 @@ evaluation, partner enablement, and internal technical review.
 - `docs/Nexus_One_AI_Datasheet.pdf`
 - `docs/architecture-overview.svg`
 - `docs/technical-service-flow.svg`
+- `docs/CURRENT_CAPABILITIES.md` — current presentation source of truth for
+  what every user-facing, developer, and platform tool does, its verified
+  result, limitations, and recommended next phases.
 
 ## Why Nexus One AI