CREATE TABLE IF NOT EXISTS oauth_accounts (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NOT NULL,
  provider VARCHAR(40) NOT NULL,
  provider_user_id VARCHAR(190) NOT NULL,
  provider_email VARCHAR(190) NULL,
  email_verified TINYINT(1) NOT NULL DEFAULT 0,
  raw_profile JSON NULL,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_oauth_provider_user (provider, provider_user_id),
  KEY idx_oauth_user (user_id),
  KEY idx_oauth_email (provider_email),
  CONSTRAINT fk_oauth_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;