Initial commit on Forgejo

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

priv/repo/migrations/20260712043533_create_review_stakes.exs

@@ -0,0 +1,19 @@
+defmodule Tarakan.Repo.Migrations.CreateReviewStakes do
+  use Ecto.Migration
+
+  def change do
+    create table(:review_stakes) do
+      add :scan_id, references(:scans, on_delete: :delete_all), null: false
+      # Denormalized submitter so reputation queries don't join back to scans.
+      add :account_id, references(:accounts, on_delete: :delete_all), null: false
+      add :amount, :integer, null: false
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    # One standing stake per review.
+    create unique_index(:review_stakes, [:scan_id])
+    create index(:review_stakes, [:account_id])
+    create constraint(:review_stakes, :review_stakes_amount_positive, check: "amount >= 0")
+  end
+end