diff --git a/files/custom/Espo/Modules/SmartAssistant/Controllers/SmartAssistant.php b/files/custom/Espo/Modules/SmartAssistant/Controllers/SmartAssistant.php
index ae4349c..e904d4b 100644
--- a/files/custom/Espo/Modules/SmartAssistant/Controllers/SmartAssistant.php
+++ b/files/custom/Espo/Modules/SmartAssistant/Controllers/SmartAssistant.php
@@ -186,7 +186,7 @@ class SmartAssistant
         }
 
         $tool = $data->tool;
-        $params = (array) ($data->params ?? []);
+        $params = json_decode(json_encode($data->params ?? []), true) ?? [];
         $caseId = $data->caseId ?? null;
 
         $executor = $this->injectableFactory->create(ActionExecutor::class);
diff --git a/manifest.json b/manifest.json
index 014b734..cfd5272 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,7 +3,7 @@
     "module": "SmartAssistant",
     "description": "Unified AI Assistant for Legal CRM — floating chat with case memory, office alerts, and AI Gateway integration",
     "author": "klear",
-    "version": "2.7.1",
+    "version": "2.7.2",
     "acceptableVersions": [
         ">=8.0.0"
     ],