feat(payment): complete creator income center

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/Settings/PaymentRuntime.php

@@ -242,6 +242,10 @@ class PaymentRuntime {
     public static function get_payment_revenue_settings(): array {
         $settings = Settings::get_all();
         $note = trim((string) ($settings['payment_revenue_note'] ?? ''));
+        $mode = sanitize_key((string) ($settings['payment_revenue_settlement_mode'] ?? 'automatic'));
+        if (!in_array($mode, ['automatic', 'manual'], true)) {
+            $mode = 'automatic';
+        }
 
         return [
             'enabled'              => !empty($settings['pay_income_s']),
@@ -250,6 +254,8 @@ class PaymentRuntime {
             'ratio_vip2'           => max(0, min(100, (int) ($settings['ratio_vip_2'] ?? 80))),
             'settlement_threshold' => max(0, (int) ($settings['payment_revenue_settlement_threshold'] ?? 100)),
             'cycle_days'           => max(1, min(365, (int) ($settings['payment_revenue_cycle_days'] ?? 30))),
+            'settlement_mode'      => $mode,
+            'settlement_delay_hours' => max(0, min(8760, (int) ($settings['payment_revenue_settlement_delay_hours'] ?? 24))),
             'points_rule'          => sanitize_textarea_field((string) ($settings['payment_revenue_points_rule'] ?? '')),
             'note'                 => $note !== '' ? $note : __('分成策略和台账结构已就绪，订单入账后自动按比例结算。', 'aksrt'),
             'display'              => [