Update

priv/repo/migrations/20250701093122_create_users_auth_tables.exs

@@ -9,6 +9,7 @@ defmodule Nulla.Repo.Migrations.CreateUsersAuthTables do
       add :email, :citext, null: false
       add :hashed_password, :string, null: false
       add :confirmed_at, :utc_datetime
+      add :last_active_at, :utc_datetime
 
       timestamps(type: :utc_datetime)
     end

priv/repo/migrations/20250702152953_create_relations.exs

@@ -2,7 +2,8 @@ defmodule Nulla.Repo.Migrations.CreateRelations do
   use Ecto.Migration
 
   def change do
-    create table(:relations) do
+    create table(:relations, primary_key: false) do
+      add :id, :bigint, primary_key: true
       add :following, :boolean, default: false, null: false
       add :followed_by, :boolean, default: false, null: false
       add :showing_replies, :boolean, default: false, null: false