Initial commit on Forgejo

Fresh repository history for elektrine/tarakan hosted at
https://git.elektrine.com/elektrine/tarakan.

priv/repo/migrations/20260709225522_create_repositories.exs

@@ -0,0 +1,27 @@
+defmodule Tarakan.Repo.Migrations.CreateRepositories do
+  use Ecto.Migration
+
+  def change do
+    create table(:repositories) do
+      add :host, :string, null: false, default: "github.com"
+      add :owner, :string, null: false
+      add :name, :string, null: false
+      add :canonical_url, :string, null: false
+      add :status, :string, null: false, default: "unscanned"
+      add :scan_count, :integer, null: false, default: 0
+      add :open_findings_count, :integer, null: false, default: 0
+      add :verified_findings_count, :integer, null: false, default: 0
+      add :last_scanned_at, :utc_datetime_usec
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create unique_index(:repositories, [:host, :owner, :name])
+    create index(:repositories, [:status])
+    create index(:repositories, [:last_scanned_at])
+
+    create constraint(:repositories, :repositories_status_must_be_valid,
+             check: "status IN ('unscanned', 'scanning', 'findings', 'clear', 'stale')"
+           )
+  end
+end