diff --git a/.wiki/CLAUDE.md b/.wiki/CLAUDE.md
index b333730..796ac6d 100644
--- a/.wiki/CLAUDE.md
+++ b/.wiki/CLAUDE.md
@@ -22,3 +22,9 @@ The `using-wiki` skill enforces the workflow and file formats. This file overrid
 ## Domain conventions
 
 <!-- factory-specific naming idioms — fill in as the project takes shape. -->
+
+### infra-as-product
+
+Design spec: [`concepts/infra-as-product.md`](concepts/infra-as-product.md) — 6-layer OS architecture (физический → control plane → знание → рабочая сила → оркестрация → методология), bootstrap structure, dev/prod split, versioning model.
+
+Read the spec before implementing any factory component. Do not invent the architecture from task prompts alone.