diff --git a/packages/auth/src/index.ts b/packages/auth/src/index.ts
index c067ff8..d400d0d 100644
--- a/packages/auth/src/index.ts
+++ b/packages/auth/src/index.ts
@@ -43,3 +43,8 @@ export {
   type UserSignedUpEvent,
 } from "./events/user-signed-up.event";
 // <gen:realtime-channels>
+
+// Feature conformance manifest (added in conformance milestone i, exposed
+// here in milestone ii so the boot-time assertion and future tooling can
+// read the contract from the package boundary).
+export { authManifest, type AuthManifest } from "./feature.manifest";