fix(tools): forward set_runtime_context through OperationTool to base_tool

OperationTool wraps builtin tools for multi-operation support but did not
forward set_runtime_context, causing OpenClawTool to miss uploaded_files
and conversation_id when used with operation routing.

api/app/core/tools/builtin/operation_tool.py

@@ -12,6 +12,11 @@ class OperationTool(BaseTool):
         self.operation = operation
         super().__init__(base_tool.tool_id, base_tool.config)
 
+    def set_runtime_context(self, **kwargs):
+        """转发运行时上下文到 base_tool"""
+        if hasattr(self.base_tool, 'set_runtime_context'):
+            self.base_tool.set_runtime_context(**kwargs)
+    
     @property
     def name(self) -> str:
         return f"{self.base_tool.name}_{self.operation}"