feat: add Shoppro payment status synchronization service

- Implemented ShopproPaymentStatusSyncService to handle payment status synchronization between Shoppro and Orderpro.
- Added methods for resolving watched status codes, finding candidate orders, and syncing individual order payments.
- Introduced ShopproStatusMappingRepository for managing status mappings between Shoppro and Orderpro.
- Created ShopproStatusSyncService to facilitate synchronization of order statuses from Shoppro to Orderpro.

database/migrations/20260308_000039_ensure_integrations_fetch_columns.sql

@@ -0,0 +1,25 @@
+SET @sql := (
+    SELECT IF(COUNT(*) = 0,
+        'ALTER TABLE `integrations` ADD COLUMN `orders_fetch_enabled` TINYINT(1) NOT NULL DEFAULT 0 AFTER `is_active`',
+        'SELECT 1')
+    FROM information_schema.columns
+    WHERE table_schema = DATABASE()
+      AND table_name = 'integrations'
+      AND column_name = 'orders_fetch_enabled'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @sql := (
+    SELECT IF(COUNT(*) = 0,
+        'ALTER TABLE `integrations` ADD COLUMN `orders_fetch_start_date` DATE NULL AFTER `orders_fetch_enabled`',
+        'SELECT 1')
+    FROM information_schema.columns
+    WHERE table_schema = DATABASE()
+      AND table_name = 'integrations'
+      AND column_name = 'orders_fetch_start_date'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;