diff --git a/nulib/lib_provisioning/utils/version/mod.nu b/nulib/lib_provisioning/utils/version/mod.nu
index 6420e24..d48d521 100644
--- a/nulib/lib_provisioning/utils/version/mod.nu
+++ b/nulib/lib_provisioning/utils/version/mod.nu
@@ -2,20 +2,38 @@
 # Purpose: Centralizes version operations for core, formatting, loading, management, registry, and taskserv-specific versioning
 # Dependencies: core, formatter, loader, manager, registry, taskserv
 
+# utils/version/ subsystem facade — selective re-exports (ADR-025 Phase 3 Layer 3).
+
 # Core version functionality
-export use ./core.nu *
+export use ./core.nu [
+    check-version compare-versions detect-version fetch-versions
+    version-operations version-schema
+]
 
 # Version formatting
-export use ./formatter.nu *
+export use ./formatter.nu [format-results format-status status-icons]
 
 # Version loading and caching
-export use ./loader.nu *
+export use ./loader.nu [
+    create-configuration discover-configurations extract-context
+    extract-nickel-versions load-configuration-file load-nickel-version-file
+]
 
 # Version management operations
-export use ./manager.nu *
+export use ./manager.nu [
+    apply-config-updates check-available-updates check-versions set-fixed
+    show-installation-guidance show-versions update-configuration-file
+]
 
 # Version registry
-export use ./registry.nu *
+export use ./registry.nu [
+    compare-registry-with-taskservs load-version-registry set-registry-fixed
+    show-version-status update-registry-component update-registry-versions
+]
 
 # TaskServ-specific versioning
-export use ./taskserv.nu *
+export use ./taskserv.nu [
+    bulk-update-taskservs check-taskserv-versions discover-taskserv-configurations
+    extract-nickel-version taskserv-sync-versions update-nickel-version
+    update-taskserv-version
+]