Add small SaaS profile proof

infospace/profiles/small-saas/artifacts/incident.cross-tenant-access-attempt.yaml

@@ -0,0 +1,15 @@
+id: small-saas/incident/cross-tenant-access-attempt
+kind: incident
+title: Cross-Tenant Access Attempt
+profile: small-saas
+status: resolved
+tenant_id: small-saas/tenant/acme
+control_ids:
+  - small-saas/control/namespace-per-tenant
+evidence_ids:
+  - small-saas/evidence/access-review-2026-05
+relationships:
+  - type: constrained_by
+    target: small-saas/control/namespace-per-tenant
+  - type: evidenced_by
+    target: small-saas/evidence/access-review-2026-05