Establish Railiance Fabric graph model

fabric/bindings/flex-auth-iam-profile-key-cape.yaml

@@ -0,0 +1,16 @@
+apiVersion: railiance.fabric/v1alpha1
+kind: BindingAssertion
+metadata:
+  id: flex-auth.api.iam-profile-to-key-cape
+  name: flex-auth IAM Profile binding
+  owner: flex-auth
+  repo: flex-auth
+  domain: railiance
+spec:
+  lifecycle: active
+  environments: [dev, staging, prod]
+  dependency_id: flex-auth.api.needs-iam-profile
+  provider_capability_id: key-cape.iam-profile.issuer
+  provider_interface_id: key-cape.iam-profile.oidc-discovery
+  status: compatible
+  rationale: key-cape is the lightweight IAM Profile implementation for Railiance workloads.