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Fresh repository history for elektrine/tarakan hosted at
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priv/repo/migrations/20260710225758_create_review_tasks.exs

@@ -0,0 +1,63 @@
+defmodule Tarakan.Repo.Migrations.CreateReviewTasks do
+  use Ecto.Migration
+
+  def change do
+    create table(:review_tasks) do
+      add :repository_id, references(:repositories, on_delete: :delete_all), null: false
+      add :created_by_id, references(:accounts, on_delete: :restrict), null: false
+      add :claimed_by_id, references(:accounts, on_delete: :restrict)
+      add :commit_sha, :string, null: false
+      add :commit_committed_at, :utc_datetime_usec
+      add :kind, :string, null: false
+      add :capability, :string, null: false, default: "human"
+      add :title, :string, null: false
+      add :description, :text, null: false
+      add :status, :string, null: false, default: "open"
+      add :claimed_at, :utc_datetime_usec
+      add :claim_expires_at, :utc_datetime_usec
+      add :completed_at, :utc_datetime_usec
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create index(:review_tasks, [:repository_id, :status, "inserted_at DESC"])
+    create index(:review_tasks, [:created_by_id])
+    create index(:review_tasks, [:claimed_by_id])
+
+    create constraint(:review_tasks, :review_tasks_commit_sha_must_be_full_sha,
+             check: "commit_sha ~ '^[0-9a-f]{40}$'"
+           )
+
+    create constraint(:review_tasks, :review_tasks_kind_must_be_valid,
+             check:
+               "kind IN ('code_review', 'threat_model', 'privacy_review', 'business_logic', 'verify_findings', 'write_fix')"
+           )
+
+    create constraint(:review_tasks, :review_tasks_capability_must_be_valid,
+             check: "capability IN ('human', 'agent', 'hybrid')"
+           )
+
+    create constraint(:review_tasks, :review_tasks_status_must_be_valid,
+             check: "status IN ('open', 'claimed', 'completed')"
+           )
+
+    create table(:review_task_contributions) do
+      add :review_task_id, references(:review_tasks, on_delete: :delete_all), null: false
+      add :account_id, references(:accounts, on_delete: :restrict), null: false
+      add :provenance, :string, null: false
+      add :summary, :text, null: false
+      add :evidence, :text
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create unique_index(:review_task_contributions, [:review_task_id])
+    create index(:review_task_contributions, [:account_id])
+
+    create constraint(
+             :review_task_contributions,
+             :review_task_contributions_provenance_must_be_valid,
+             check: "provenance IN ('human', 'agent', 'hybrid')"
+           )
+  end
+end