diff --git a/.architecture.json b/.architecture.json
new file mode 100644
index 00000000..3f7a4990
--- /dev/null
+++ b/.architecture.json
@@ -0,0 +1,9 @@
+{
+  "schemaVersion": 1,
+  "components": [
+    { "id": "uquic-transport-library", "prefixes": [""] }
+  ],
+  "rules": [
+    { "id": "no-product-imports", "kind": "forbidden-dependency", "from": [""], "to": ["external:go:github.com/Labpics-Team"], "rationale": "uquic is a product-agnostic transport library; Ametyst, Phantom and other product integrations depend on uquic, never the reverse." }
+  ]
+}