chore: adopt StrEnum and auto() for some string-typed enums (#25129)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>

api/core/helper/tool_parameter_cache.py

@@ -1,12 +1,12 @@
 import json
-from enum import Enum
+from enum import StrEnum
 from json import JSONDecodeError
 from typing import Optional
 
 from extensions.ext_redis import redis_client
 
 
-class ToolParameterCacheType(Enum):
+class ToolParameterCacheType(StrEnum):
     PARAMETER = "tool_parameter"
 
 
@@ -15,7 +15,7 @@ class ToolParameterCache:
         self, tenant_id: str, provider: str, tool_name: str, cache_type: ToolParameterCacheType, identity_id: str
     ):
         self.cache_key = (
-            f"{cache_type.value}_secret:tenant_id:{tenant_id}:provider:{provider}:tool_name:{tool_name}"
+            f"{cache_type}_secret:tenant_id:{tenant_id}:provider:{provider}:tool_name:{tool_name}"
             f":identity_id:{identity_id}"
         )