working on db logic

lib/elixir_ai/data/schemas/conversation_schema.ex

@@ -1,13 +1,11 @@
 defmodule ElixirAi.Data.ConversationSchema do
-  use Ecto.Schema
+  defstruct [:id, :name, :ai_provider_id, :inserted_at, :updated_at]
 
-  @primary_key {:id, :binary_id, autogenerate: true}
-  @foreign_key_type :binary_id
-
-  schema "conversations" do
-    field(:name, :string)
-    belongs_to(:ai_provider, ElixirAi.Data.AiProviderSchema, type: :binary_id)
-
-    timestamps(type: :utc_datetime)
+  def schema do
+    Zoi.object(%{
+      id: Zoi.string(),
+      name: Zoi.string(),
+      ai_provider_id: Zoi.string()
+    })
   end
 end