feat(stress-test): add comprehensive stress testing suite using Locust (#25617)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/tools/builtin_tool/provider.py

@@ -18,7 +18,7 @@ from core.tools.entities.values import ToolLabelEnum, default_tool_label_dict
 from core.tools.errors import (
     ToolProviderNotFoundError,
 )
-from core.tools.utils.yaml_utils import load_yaml_file
+from core.tools.utils.yaml_utils import load_yaml_file_cached
 
 
 class BuiltinToolProviderController(ToolProviderController):
@@ -31,7 +31,7 @@ class BuiltinToolProviderController(ToolProviderController):
         provider = self.__class__.__module__.split(".")[-1]
         yaml_path = path.join(path.dirname(path.realpath(__file__)), "providers", provider, f"{provider}.yaml")
         try:
-            provider_yaml = load_yaml_file(yaml_path, ignore_error=False)
+            provider_yaml = load_yaml_file_cached(yaml_path)
         except Exception as e:
             raise ToolProviderNotFoundError(f"can not load provider yaml for {provider}: {e}")
 
@@ -71,7 +71,7 @@ class BuiltinToolProviderController(ToolProviderController):
         for tool_file in tool_files:
             # get tool name
             tool_name = tool_file.split(".")[0]
-            tool = load_yaml_file(path.join(tool_path, tool_file), ignore_error=False)
+            tool = load_yaml_file_cached(path.join(tool_path, tool_file))
 
             # get tool class, import the module
             assistant_tool_class: type = load_single_subclass_from_source(