accounting workflows

app/accounting/api/engine/acquire_op_lock.php

@@ -0,0 +1,17 @@
+<?php
+session_start();
+require '../../../assets/utils/db_auth.php';
+require '../../../assets/utils/classes/OperationLockManager.php';
+
+try {
+    $lock_manager = new OperationLockManager($pdo2, $company_id, $user_id);
+    $result = $lock_manager->acquire(
+        trim((string)($data['operation_type'] ?? '')),
+        (int)($data['ttl_minutes'] ?? 120)
+    );
+    $answer = array_merge($answer, $result);
+} catch (Exception $e) {
+    $answer['message'] = $e->getMessage();
+}
+
+exit(json_encode($answer));