diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index de36402d..a81a38d7 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -42,6 +42,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          submodules: recursive
 
       - name: Free disk space
         run: |
diff --git a/nixos/flake.lock b/nixos/flake.lock
index 8aa04b2f..368437e1 100644
--- a/nixos/flake.lock
+++ b/nixos/flake.lock
@@ -114,11 +114,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1783642944,
-        "narHash": "sha256-YuaeZs+6565YrJU0xDJ+mZIVn5zmqF9Rth6pMcbnh2E=",
+        "lastModified": 1783545757,
+        "narHash": "sha256-ujyh71rjKf0frYqn4HDZ7baSp5+BNhYpux5Q/8nITRM=",
         "owner": "sadjow",
         "repo": "claude-code-nix",
-        "rev": "d120e1bfc6c5e24995178ac8485e98938f2d68d4",
+        "rev": "1a4322b6de8b5f99968cb342ac4a1b25d0712698",
         "type": "github"
       },
       "original": {
diff --git a/nixos/scrobble-scrubber.nix b/nixos/scrobble-scrubber.nix
new file mode 100644
index 00000000..3311ceca
--- /dev/null
+++ b/nixos/scrobble-scrubber.nix
@@ -0,0 +1,25 @@
+# scrobble-scrubber.nix - last.fm scrobble metadata cleanup daemon.
+#
+# Runs as a home-manager user service on a single always-on host (ryzen-shine).
+# Running it on multiple hosts would mean several daemons editing the same
+# last.fm account concurrently, so keep the `enable` gate to one machine.
+#
+# One-time bootstrap on the target host: the daemon loads a *persisted session*,
+# not a password. Log in once with the `lastfm-edit` CLI (handles MFA) to write
+# ~/.local/share/lastfm-edit/users/<username>/session.json before it can run.
+{
+  inputs,
+  config,
+  lib,
+  ...
+}: {
+  home-manager.users.imalison = {...}: {
+    imports = [inputs.lastfm-edit.homeManagerModules.scrobble-scrubber];
+
+    services.scrobble-scrubber = lib.mkIf (config.networking.hostName == "ryzen-shine") {
+      enable = true;
+      username = "IvanMalison";
+      interval = 300;
+    };
+  };
+}