-- Phase 1.2: Add missing columns to users table
-- Migration: 20260415000002

ALTER TABLE users ADD COLUMN IF NOT EXISTS account_type TEXT DEFAULT 'INDIVIDUAL';
ALTER TABLE users ADD COLUMN IF NOT EXISTS last_login_at TIMESTAMPTZ;
ALTER TABLE users ADD COLUMN IF NOT EXISTS updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();

UPDATE users SET updated_at = COALESCE(updated_at, created_at, NOW()) WHERE updated_at IS NULL;