Fix ScrobbleRule timestamps to use utc_datetime

lib/music_library/scrobble_rules/scrobble_rule.ex

@@ -10,8 +10,8 @@ defmodule MusicLibrary.ScrobbleRules.ScrobbleRule do
           target_musicbrainz_id: String.t(),
           enabled: boolean(),
           description: String.t() | nil,
-          inserted_at: NaiveDateTime.t() | nil,
+          inserted_at: DateTime.t() | nil,
-          updated_at: NaiveDateTime.t() | nil
+          updated_at: DateTime.t() | nil
         }
 
   schema "scrobble_rules" do
@@ -21,7 +21,7 @@ defmodule MusicLibrary.ScrobbleRules.ScrobbleRule do
     field :enabled, :boolean, default: true
     field :description, :string
 
-    timestamps()
+    timestamps(type: :utc_datetime)
   end
 
   @doc false

priv/repo/migrations/20260306095724_fix_scrobble_rules_timestamps.exs

@@ -0,0 +1,15 @@
+defmodule MusicLibrary.Repo.Migrations.FixScrobbleRulesTimestamps do
+  use Ecto.Migration
+
+  def up do
+    execute "UPDATE scrobble_rules SET inserted_at = inserted_at || 'Z' WHERE inserted_at NOT LIKE '%Z'"
+
+    execute "UPDATE scrobble_rules SET updated_at = updated_at || 'Z' WHERE updated_at NOT LIKE '%Z'"
+  end
+
+  def down do
+    execute "UPDATE scrobble_rules SET inserted_at = REPLACE(inserted_at, 'Z', '') WHERE inserted_at LIKE '%Z'"
+
+    execute "UPDATE scrobble_rules SET updated_at = REPLACE(updated_at, 'Z', '') WHERE updated_at LIKE '%Z'"
+  end
+end