Contextualize workflow skills for Cybereum platform

CLAUDE.md

@@ -1,4 +1,4 @@
-# gstack development
+# gstack development (Cybereum fork)
 
 ## Commands
 
@@ -23,6 +23,11 @@ to `~/.gstack-dev/evals/` with auto-comparison against the previous run.
 
 ## Project structure
 
+This repo contains the **workflow skills** for building Cybereum. The analytical
+skills (schedule-intelligence, decision-ai, risk-engine, etc.) live in the
+[cybereum_Projects repo](https://github.com/ProBloCh/cybereum_Projects) under
+`.claude/skills/`.
+
 ```
 gstack/
 ├── browse/          # Headless browser CLI (Playwright)