feat: port basic functionality to elixir

priv/repo/migrations/20250913202135_create_categories.exs

@@ -0,0 +1,16 @@
+defmodule ComponentsElixir.Repo.Migrations.CreateCategories do
+  use Ecto.Migration
+
+  def change do
+    create table(:categories) do
+      add :name, :string, null: false
+      add :description, :text
+      add :parent_id, references(:categories, on_delete: :delete_all)
+
+      timestamps()
+    end
+
+    create index(:categories, [:parent_id])
+    create unique_index(:categories, [:name, :parent_id])
+  end
+end

priv/repo/migrations/20250913202150_create_components.exs

@@ -0,0 +1,25 @@
+defmodule ComponentsElixir.Repo.Migrations.CreateComponents do
+  use Ecto.Migration
+
+  def change do
+    create table(:components) do
+      add :name, :string, null: false
+      add :description, :text
+      add :keywords, :string
+      add :position, :string
+      add :count, :integer, default: 0
+      add :datasheet_url, :string
+      add :image_filename, :string
+      add :category_id, references(:categories, on_delete: :restrict), null: false
+
+      timestamps()
+    end
+
+    create index(:components, [:category_id])
+    create index(:components, [:name])
+
+    # Full-text search indexes for PostgreSQL
+    execute "CREATE INDEX components_search_idx ON components USING gin(to_tsvector('english', name || ' ' || coalesce(description, '') || ' ' || coalesce(keywords, '')))",
+            "DROP INDEX components_search_idx"
+  end
+end