port over some more

lib/odinsea/database/schema/shop.ex

@@ -0,0 +1,23 @@
+defmodule Odinsea.Database.Schema.Shop do
+  @moduledoc """
+  Ecto schema for the shops table.
+  Represents NPC shop definitions.
+  """
+
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:shopid, :id, autogenerate: true}
+
+  schema "shops" do
+    field :npcid, :integer, default: 0
+  end
+
+  @doc """
+  Changeset for creating/updating a shop.
+  """
+  def changeset(shop, attrs) do
+    shop
+    |> cast(attrs, [:npcid])
+  end
+end