-- =============================================================================
-- MIGRATION: Google OAuth login — googleId on users
-- Convention: Prisma maps createdAt→createdOn, updatedAt→updatedOn in DB
-- Run: idempotent — safe to re-execute
-- =============================================================================

BEGIN;

ALTER TABLE admin.users
  ADD COLUMN IF NOT EXISTS "googleId" TEXT;

CREATE UNIQUE INDEX IF NOT EXISTS "users_googleId_key" ON admin.users ("googleId");

COMMIT;