fix(payment): close creator income contract gaps

src/User/Metrics.php

@@ -13,6 +13,7 @@ class Metrics {
 	public const META_COMMENT_LIKE_SUM  = 'aksrt_comment_like_sum';
 	public const META_POSTS_VIEWS_SUM   = 'aksrt_posts_views_sum';
 	public const META_PAY_INCOME        = 'aksrt_pay_income_sum';
+	public const META_PAY_INCOME_POINTS = 'aksrt_pay_income_points_sum';
 	public const META_PAY_REBATE        = 'aksrt_pay_rebate_sum';
 	public const META_CHECKIN_ALL_DAY   = 'aksrt_checkin_all_day';
 
@@ -132,13 +133,14 @@ class Metrics {
 	 * @param array $context
 	 */
 	public function on_creator_income_added($user_id, $amount, $context = []): void {
-		unset($context);
+		$currency = sanitize_key((string) ($context['currency'] ?? 'CNY'));
 		$user_id = (int) $user_id;
 		$amount  = (float) $amount;
 		if ($user_id <= 0 || $amount <= 0) {
 			return;
 		}
-		self::bump_user_meta($user_id, self::META_PAY_INCOME, $amount);
+		$meta_key = $currency === 'points' ? self::META_PAY_INCOME_POINTS : self::META_PAY_INCOME;
+		self::bump_user_meta($user_id, $meta_key, $amount);
 		self::reevaluate_medals($user_id);
 	}