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docs/README.md

@@ -17,6 +17,10 @@ In `dashfront`, state is managed outside the React component lifecycle using **A
 5. **No Context / No Hooks in PureComponents**: Automats bypass React Context providers and hooks, eliminating reconciliation cascades.
 6. **Automatic Coordination**: Domain and configuration automats subscribe to [`authAutomat`](./authAutomat.md) to automatically bootstrap on login, switch data when the active company changes, and reset on logout.
 
+## Domain & Data Model Guides
+
+- [**Artikeltypen-Matrix**](./article-types-matrix.md): Spezifikation und Matrix für non-standard Artikeltypen (*Stückliste, Variations-Vater, Variations-Kind, Varianten-Baum*).
+
 ---
 
 ## Automats Directory