fix: refix parameter for tool

api/core/agent/patterns/function_call.py

@@ -138,12 +138,15 @@ class FunctionCallStrategy(AgentPattern):
                 tool_response, tool_files, _ = yield from self._handle_tool_call(
                     tool_name, tool_args, tool_call_id, messages, round_log
                 )
+                tool_entity = self._find_tool_by_name(tool_name)
                 tool_outputs[tool_name] = tool_response
                 # Track files produced by tools
                 output_files.extend(tool_files)
                 if tool_response == TERMINAL_OUTPUT_MESSAGE:
                     function_call_state = False
-                    final_tool_args = tool_args
+                    final_tool_args = tool_entity.transform_tool_parameters_type(
+                        tool_args
+                    )
 
             yield self._finish_log(
                 round_log,

api/core/tools/__base/tool.py

@@ -57,7 +57,7 @@ class Tool(ABC):
             tool_parameters.update(self.runtime.runtime_parameters)
 
         # try parse tool parameters into the correct type
-        tool_parameters = self._transform_tool_parameters_type(tool_parameters)
+        tool_parameters = self.transform_tool_parameters_type(tool_parameters)
 
         result = self._invoke(
             user_id=user_id,
@@ -82,7 +82,7 @@ class Tool(ABC):
         else:
             return result
 
-    def _transform_tool_parameters_type(self, tool_parameters: dict[str, Any]) -> dict[str, Any]:
+    def transform_tool_parameters_type(self, tool_parameters: dict[str, Any]) -> dict[str, Any]:
         """
         Transform tool parameters type
         """

api/core/workflow/nodes/llm/node.py

@@ -1963,7 +1963,6 @@ class LLMNode(Node[LLMNodeData]):
             # Files are saved as ToolFiles with valid tool_file_id for later reference
             sandbox_output_files = session.collect_output_files()
 
-
         if result is None:
             raise LLMNodeError("SandboxSession exited unexpectedly")