diff --git a/modules/atproto/tranquil.nix b/modules/atproto/tranquil.nix
--- a/modules/atproto/tranquil.nix
+++ b/modules/atproto/tranquil.nix
@@ -10,7 +10,15 @@
     url = "git+https://tangled.org/tranquil.farm/tranquil-pds";
   };
 
-  den.aspects.tranquil = { user, ... }: {
+  den.aspects.tranquil.local-dev = {
+    nixos = {
+      networking.hosts = {
+        "127.0.0.1" = [ "pds.test" ];
+      };
+    };
+  };
+
+  den.aspects.tranquil.pds = { user, ... }: {
     nixos =
       { config, pkgs, ... }:
       let
diff --git a/modules/users/catbird.nix b/modules/users/catbird.nix
--- a/modules/users/catbird.nix
+++ b/modules/users/catbird.nix
@@ -11,7 +11,7 @@
       shell.bash
       shell.zsh
 
-      tranquil
+      tranquil.pds
     ];
 
     homeManager =
diff --git a/modules/hosts/flock/flock.nix b/modules/hosts/flock/flock.nix
--- a/modules/hosts/flock/flock.nix
+++ b/modules/hosts/flock/flock.nix
@@ -17,16 +17,13 @@
       pipewire
       polkit
       sddm
+      tranquil.local-dev
     ];
 
     # host NixOS configuration
     nixos = {
       imports = [ ./_hardware-configuration.nix ];
       system.stateVersion = "25.05";
-
-      networking.hosts = {
-        "127.0.0.1" = [ "pds.test" ];
-      };
     };
 
     # host provides default home environment for its users