The SDK is a module the mesh builds and publishes

A package artifact, built on a public base and published to the mesh's package
registry by version, so every module resolves it the ordinary way (hq ADR 0076).

Claude-Session: https://claude.ai/code/session_01D6qtiYU3P9jk3pnAXyAFyx

module.json

@@ -0,0 +1,11 @@
+{
+  "module": "mesh-sdk",
+  "version": "1",
+  "slug": "sdk",
+  "build": {
+    "artifacts": [
+      { "name": "lib", "kind": "package", "language": "typescript" }
+    ]
+  },
+  "resources": []
+}