feat(pargar): cap inbound mande/document logs after insert

Keep the newest 2000 success rows per inbound type so dumps stop growing from Pargar webhooks, and store compact document payloads instead of full JSON.

Co-authored-by: Cursor <cursoragent@cursor.com>

database/sql/prune_pargar_inbound_logs_now.sql

@@ -0,0 +1,87 @@
+-- یک‌بار روی دیتابیس زنده (مثلاً kh_goldarvin) در Navicat اجرا شود.
+-- سفارش / کیف / مشتری را پاک نمی‌کند؛ فقط لاگ ورودی مانده و سند.
+-- بعد از اجرا دوباره دامپ بگیر؛ حجم باید از حدود ۲۳۰MB به حدود ۱۰–۲۰MB برسد.
+
+-- ایندکس برای حذف سریع
+SET @db = DATABASE();
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.STATISTICS
+        WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'pargar_sync_logs'
+          AND INDEX_NAME = 'pargar_sync_logs_type_status_index') = 0
+    AND (SELECT COUNT(*) FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'pargar_sync_logs') > 0,
+    'ALTER TABLE `pargar_sync_logs` ADD INDEX `pargar_sync_logs_type_status_index` (`type`, `sync_status`)',
+    'SELECT ''skip pargar_sync_logs_type_status_index'' AS info'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- نگه داشتن ۲۰۰۰ سند ورودی تازه
+DELETE FROM `pargar_sync_logs`
+WHERE `type` = 'document' AND `sync_status` = 'success'
+  AND `id` <= (
+    SELECT `cutoff` FROM (
+      SELECT `id` AS `cutoff` FROM `pargar_sync_logs`
+      WHERE `type` = 'document' AND `sync_status` = 'success'
+      ORDER BY `id` DESC
+      LIMIT 1 OFFSET 2000
+    ) AS `keep`
+  );
+
+-- نگه داشتن ۲۰۰۰ مانده تازه
+DELETE FROM `pargar_sync_logs`
+WHERE `type` = 'mande' AND `sync_status` = 'success'
+  AND `id` <= (
+    SELECT `cutoff` FROM (
+      SELECT `id` AS `cutoff` FROM `pargar_sync_logs`
+      WHERE `type` = 'mande' AND `sync_status` = 'success'
+      ORDER BY `id` DESC
+      LIMIT 1 OFFSET 2000
+    ) AS `keep`
+  );
+
+-- Event داخل خود MySQL — بدون کرون سیستم (Navicat → Events)
+DROP EVENT IF EXISTS `khanegi_prune_pargar_inbound_docs`;
+DROP EVENT IF EXISTS `khanegi_prune_pargar_inbound_mande`;
+
+CREATE EVENT `khanegi_prune_pargar_inbound_docs`
+ON SCHEDULE EVERY 1 HOUR
+STARTS CURRENT_TIMESTAMP
+ON COMPLETION PRESERVE
+ENABLE
+DO
+DELETE FROM `pargar_sync_logs`
+WHERE `type` = 'document' AND `sync_status` = 'success'
+  AND `id` <= (
+    SELECT `cutoff` FROM (
+      SELECT `id` AS `cutoff` FROM `pargar_sync_logs`
+      WHERE `type` = 'document' AND `sync_status` = 'success'
+      ORDER BY `id` DESC
+      LIMIT 1 OFFSET 2000
+    ) AS `keep`
+  )
+LIMIT 4000;
+
+CREATE EVENT `khanegi_prune_pargar_inbound_mande`
+ON SCHEDULE EVERY 1 HOUR
+STARTS CURRENT_TIMESTAMP
+ON COMPLETION PRESERVE
+ENABLE
+DO
+DELETE FROM `pargar_sync_logs`
+WHERE `type` = 'mande' AND `sync_status` = 'success'
+  AND `id` <= (
+    SELECT `cutoff` FROM (
+      SELECT `id` AS `cutoff` FROM `pargar_sync_logs`
+      WHERE `type` = 'mande' AND `sync_status` = 'success'
+      ORDER BY `id` DESC
+      LIMIT 1 OFFSET 2000
+    ) AS `keep`
+  )
+LIMIT 4000;
+
+-- اگر دسترسی SUPER داری:
+-- SET GLOBAL event_scheduler = ON;
+-- SHOW VARIABLES LIKE 'event_scheduler';
+-- SHOW EVENTS;