-- Migration 007: Add Stripe subscription fields to users table

ALTER TABLE users ADD COLUMN IF NOT EXISTS stripe_customer_id VARCHAR(255);
ALTER TABLE users ADD COLUMN IF NOT EXISTS stripe_subscription_id VARCHAR(255);
ALTER TABLE users ADD COLUMN IF NOT EXISTS subscription_status VARCHAR(50) DEFAULT 'none';
ALTER TABLE users ADD COLUMN IF NOT EXISTS subscription_created_at TIMESTAMP;

CREATE INDEX IF NOT EXISTS idx_users_stripe_customer_id ON users(stripe_customer_id);