feat(registry): add generic fleet namespace

lib/default.nix

@@ -14,6 +14,12 @@ let
     ;
 
   serviceIdentityRegistry = import ./service-identities.nix { inherit lib; };
+  registry = import ./registry.nix { inherit lib; };
+  registryDefinitions = registry.loadDefinitions {
+    dir = self + "/registry";
+    args = { inherit lib; };
+  };
+  registryModule = registry.module registryDefinitions;
   networkEndpoints = import ./network-endpoints.nix { inherit lib; };
   reverseProxyRoutes = import ./reverse-proxy-routes.nix { inherit lib; };
 
@@ -41,6 +47,10 @@ let
     {
       inherit inputs networkFleetEndpoints self;
       my = self.lib;
+      registry = self.lib.registry.collectFleet {
+        definitions = self.lib.registryDefinitions;
+        hosts = self.nixosConfigurations;
+      };
       reverseProxyFleetRoutes = self.lib.reverseProxyRoutes.collectFleetRoutes self.nixosConfigurations networkFleetEndpoints;
     };
 
@@ -71,6 +81,7 @@ let
           inputs.disko.nixosModules.disko
           inputs.sops-nix.nixosModules.sops
           inputs.stylix.nixosModules.stylix
+          registryModule
           (self + "/system.nix")
           (self + "/hosts/${hostName}")
           { networking.hostName = hostName; }
@@ -90,6 +101,9 @@ in
     mkHost
     mkHosts
     bridgeName
+    registry
+    registryDefinitions
+    registryModule
     networkEndpoints
     reverseProxyRoutes
     ;