diff --git a/nulib/lib_provisioning/integrations/ecosystem/mod.nu b/nulib/lib_provisioning/integrations/ecosystem/mod.nu
index 3f81731..79876b9 100644
--- a/nulib/lib_provisioning/integrations/ecosystem/mod.nu
+++ b/nulib/lib_provisioning/integrations/ecosystem/mod.nu
@@ -1,8 +1,27 @@
 # Ecosystem Integrations Module
 # Re-exports all ecosystem integration providers: backup, runtime, SSH, GitOps, service management
 
-use ./runtime.nu *
-use ./backup.nu *
-use ./ssh_advanced.nu *
-use ./gitops.nu *
-use ./service.nu *
+# ecosystem/ subsystem facade — selective re-exports (ADR-025 Phase 3 Layer 3).
+# Former `use ./X *` was a no-op (not `export use`), so no symbols were actually
+# propagated to integrations/mod.nu. Converted to `export use` + selective so the
+# facade behaves as its comment claims.
+
+export use ./runtime.nu [
+    runtime-compose runtime-detect runtime-exec runtime-info runtime-list
+]
+export use ./backup.nu [
+    backup-create backup-list backup-restore backup-retention
+    backup-schedule backup-status
+]
+export use ./ssh_advanced.nu [
+    ssh-circuit-breaker-status ssh-deployment-strategies ssh-pool-connect
+    ssh-pool-exec ssh-pool-status ssh-retry-config
+]
+export use ./gitops.nu [
+    gitops-deployments gitops-event-types gitops-rule-config gitops-rules
+    gitops-status gitops-trigger gitops-watch
+]
+export use ./service.nu [
+    service-detect-init service-install service-list service-restart
+    service-restart-policy service-start service-status service-stop
+]