refactor: flatten src/AKSRT → src (drop theme-identifier dir)

Move all domain folders from src/AKSRT/{Domain} to src/{Domain}; remap
Composer PSR-4 "AKSRT\\": "src/"; update audit script + README + ADR
paths; remove dead tools/build-psr4-map.php (scanned deleted inc/classes).

src/Payment/CreatorRevenue.php

@@ -0,0 +1,172 @@
+<?php
+/**
+ * @package AKSRT
+ */
+
+namespace AKSRT\Payment;
+
+defined('ABSPATH') || exit;
+
+class CreatorRevenue {
+
+        private static ?CreatorRevenue $instance = null;
+
+        public static function get_instance(): self {
+            if (null === self::$instance) {
+                self::$instance = new self();
+            }
+            return self::$instance;
+        }
+
+        public function init(): void {
+            add_action('aksrt_order_paid', [$this, 'handle_order_paid'], 20, 2);
+        }
+
+        /**
+         * Whether creator revenue settlement is enabled.
+         */
+        private function is_enabled(): bool {
+            if (!class_exists('AKSRT\\Payment\\Revenue') || !class_exists('\AKSRT\Settings\Settings')) {
+                return false;
+            }
+            $settings = \AKSRT\Settings\Settings::get_payment_revenue_settings();
+            return !empty($settings['enabled']);
+        }
+
+        /**
+         * Resolve share ratio (percentage 0-100) for a given product author.
+         */
+        private function resolve_share_ratio(int $author_id): float {
+            $settings = \AKSRT\Settings\Settings::get_payment_revenue_settings();
+            $ratio = (float) ($settings['share_ratio'] ?? 0);
+
+            // VIP-tier author overrides, if configured (>0 wins).
+            if ($author_id > 0 && function_exists('aksrt_get_user_vip_level')) {
+                $level = (int) aksrt_get_user_vip_level($author_id);
+                if ($level === 1 && (float) ($settings['ratio_vip1'] ?? 0) > 0) {
+                    $ratio = (float) $settings['ratio_vip1'];
+                } elseif ($level >= 2 && (float) ($settings['ratio_vip2'] ?? 0) > 0) {
+                    $ratio = (float) $settings['ratio_vip2'];
+                }
+            }
+
+            return max(0.0, min(100.0, $ratio));
+        }
+
+        /**
+         * Guard: has this order already been settled into revenue?
+         */
+        private function already_settled(string $order_number): bool {
+            if ($order_number === '' || !class_exists('\AKSRT\Core\DBMigrator')) {
+                return false;
+            }
+            global $wpdb;
+            $table = \AKSRT\Core\DBMigrator::table('revenue');
+            if ($table === '') {
+                return false;
+            }
+            $count = (int) $wpdb->get_var($wpdb->prepare(
+                "SELECT COUNT(*) FROM {$table} WHERE order_number = %s AND type = %s",
+                $order_number,
+                'order'
+            ));
+            return $count > 0;
+        }
+
+        /**
+         * aksrt_order_paid listener: credit creators their share.
+         *
+         * @param string $order_number Paid order number.
+         * @param array  $order        Order row (status=paid).
+         */
+        public function handle_order_paid(string $order_number, array $order): void {
+            if (!$this->is_enabled() || $order_number === '') {
+                return;
+            }
+            if ($this->already_settled($order_number)) {
+                return;
+            }
+
+            $buyer_id = (int) ($order['user_id'] ?? 0);
+
+            $this->settle_non_shop_cash_order($order_number, $order, $buyer_id);
+        }
+
+        /**
+         * Content / topic cash orders (no shop line items).
+         */
+        private function settle_non_shop_cash_order(string $order_number, array $order, int $buyer_id): void {
+            $meta = $this->decode_note($order);
+            if (($meta['pay_modo'] ?? '') === 'points') {
+                return;
+            }
+
+            $payment_method = sanitize_key((string) ($order['payment_method'] ?? ''));
+            $currency = sanitize_key((string) ($order['currency'] ?? ''));
+            if ($payment_method === 'points' || $currency === 'points') {
+                return;
+            }
+
+            $base_amount = round((float) ($order['amount'] ?? $meta['payable'] ?? 0), 2);
+            if ($base_amount <= 0) {
+                return;
+            }
+
+            $product_type = sanitize_key((string) ($order['product_type'] ?? ''));
+            $product_id = (int) ($order['product_id'] ?? 0);
+            if ($product_id <= 0) {
+                return;
+            }
+
+            $post = get_post($product_id);
+            if (!($post instanceof \WP_Post)) {
+                return;
+            }
+
+            $is_content = !empty($meta['content_pay'])
+                && $post->post_type === 'post';
+
+            // Resource without content_pay and not a known cash kind: skip.
+            if (!$is_content) {
+                return;
+            }
+
+            $author_id = (int) $post->post_author;
+            if ($author_id <= 0 || $author_id === $buyer_id) {
+                return;
+            }
+
+            $ratio = $this->resolve_share_ratio($author_id);
+            if ($ratio <= 0) {
+                return;
+            }
+
+            $amount = round($base_amount * $ratio / 100, 2);
+            if ($amount <= 0) {
+                return;
+            }
+
+            // Re-check after shop-less path; shop path already returned.
+            if ($this->already_settled($order_number)) {
+                return;
+            }
+
+            Revenue::get_instance()->add($author_id, $amount, $order_number, 'order');
+        }
+
+        /**
+         * @param array<string,mixed> $order
+         * @return array<string,mixed>
+         */
+        private function decode_note(array $order): array {
+            if (isset($order['meta_payload']) && is_array($order['meta_payload'])) {
+                return $order['meta_payload'];
+            }
+            $note = (string) ($order['note'] ?? '');
+            if ($note === '') {
+                return [];
+            }
+            $decoded = json_decode($note, true);
+            return is_array($decoded) ? $decoded : [];
+        }
+    }