Add MusicLibrary.Notes.Note

lib/music_library/notes/note.ex

@@ -0,0 +1,24 @@
+defmodule MusicLibrary.Notes.Note do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  schema "notes" do
+    field :entity, Ecto.Enum, values: [:record, :artist]
+    field :content, :string
+    field :musicbrainz_id, Ecto.UUID
+
+    timestamps(type: :utc_datetime)
+  end
+
+  def changeset(note, attrs) do
+    note
+    |> cast(attrs, [
+      :entity,
+      :content,
+      :musicbrainz_id
+    ])
+    |> validate_required([:entity, :content, :musicbrainz_id])
+  end
+end

priv/repo/migrations/20250906193109_create_notes.exs

@@ -0,0 +1,16 @@
+defmodule MusicLibrary.Repo.Migrations.CreateNotes do
+  use Ecto.Migration
+
+  def change do
+    create table(:notes, primary_key: false) do
+      add :id, :binary_id, primary_key: true
+      add :entity, :string, null: false
+      add :musicbrainz_id, :uuid, null: false
+      add :content, :string
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create index(:notes, [:entity, :musicbrainz_id], unique: true)
+  end
+end