diff --git a/.formatter.exs b/.formatter.exs
index 2b73acd..cb2a852 100644
--- a/.formatter.exs
+++ b/.formatter.exs
@@ -10,6 +10,6 @@
     :phoenix
   ],
   subdirectories: ["priv/*/migrations"],
-  plugins: [Spark.Formatter, Phoenix.LiveView.HTMLFormatter],
+  # plugins: [Spark.Formatter, Phoenix.LiveView.HTMLFormatter], # FIXME:seems broken
   inputs: ["*.{heex,ex,exs}", "{config,lib,test}/**/*.{heex,ex,exs}", "priv/*/seeds.exs"]
 ]
diff --git a/config/config.exs b/config/config.exs
index bb6592b..c4857cf 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -47,7 +47,7 @@ config :spark,
 config :putzplan,
   ecto_repos: [Putzplan.Repo],
   generators: [timestamp_type: :utc_datetime],
-  ash_domains: [Putzplan.Accounts]
+  ash_domains: [Putzplan.Accounts, Putzplan.Tasks]
 
 # Configures the endpoint
 config :putzplan, PutzplanWeb.Endpoint,
diff --git a/flake.nix b/flake.nix
index f123b83..b11a8f6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,9 @@
           buildInputs = with pkgs; [
             erlang_25
             beam.packages.erlang_25.elixir_1_18
+            lexical
+            beam.packages.erlang_25.elixir-ls
+            next-ls
           ]
           ++ lib.optionals stdenv.isLinux [
             # For ExUnit Notifier on Linux.
@@ -46,7 +49,7 @@
             export PATH=$HEX_HOME/bin:$PATH
 
             # enables history for IEx
-            export ERL_AFLAGS="-kernel shell_history enabled -kernel shell_history_path '\"$PWD/.erlang-history\"'"
+            export ERL_AFLAGS="-kernel shell_history enabled -kernel shell_history_path '\"$PWD/.nix/erlang-history\"'"
           '';
         };
       }
diff --git a/lib/putzplan/tasks.ex b/lib/putzplan/tasks.ex
new file mode 100644
index 0000000..7d79493
--- /dev/null
+++ b/lib/putzplan/tasks.ex
@@ -0,0 +1,7 @@
+defmodule Putzplan.Tasks do
+  use Ash.Domain
+
+  resources do
+    resource Putzplan.Tasks.Definition
+  end
+end
diff --git a/lib/putzplan/tasks/definition.ex b/lib/putzplan/tasks/definition.ex
new file mode 100644
index 0000000..1a11202
--- /dev/null
+++ b/lib/putzplan/tasks/definition.ex
@@ -0,0 +1,31 @@
+defmodule Putzplan.Tasks.Definition do
+  # This turns this module into a resource
+  use Ash.Resource, domain: Putzplan.Tasks
+
+  actions do
+    # Use the default implementation of the :read action
+    defaults [:read]
+
+    # and a create action, which we'll customize later
+    create :create do
+      accept [:description, :repetition_days]
+    end
+  end
+
+  # Attributes are the simple pieces of data that exist on your resource
+  attributes do
+    # Add an autogenerated UUID primary key called `:id`.
+    uuid_primary_key :id
+
+    attribute :description, :string do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :repetition_days, :integer do
+      allow_nil? false
+      public? true
+      constraints min: 1
+    end
+  end
+end
diff --git a/priv/repo/migrations/20250403101322_initialize_and_add_authentication_resources.exs b/priv/repo/migrations/20250403101322_initialize_and_add_authentication_resources.exs
index 6698f24..6885785 100644
--- a/priv/repo/migrations/20250403101322_initialize_and_add_authentication_resources.exs
+++ b/priv/repo/migrations/20250403101322_initialize_and_add_authentication_resources.exs
@@ -28,4 +28,4 @@ defmodule Putzplan.Repo.Migrations.InitializeAndAddAuthenticationResources do
 
     drop table(:users)
   end
-end
\ No newline at end of file
+end