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/workflow/nodes/agent/entities.py

@@ -1,4 +1,4 @@
-from enum import Enum, StrEnum
+from enum import IntEnum, StrEnum, auto
 from typing import Any, Literal, Union
 
 from pydantic import BaseModel
@@ -25,9 +25,9 @@ class AgentNodeData(BaseNodeData):
     agent_parameters: dict[str, AgentInput]
 
 
-class ParamsAutoGenerated(Enum):
-    CLOSE = 0
-    OPEN = 1
+class ParamsAutoGenerated(IntEnum):
+    CLOSE = auto()
+    OPEN = auto()
 
 
 class AgentOldVersionModelFeatures(StrEnum):
@@ -38,8 +38,8 @@ class AgentOldVersionModelFeatures(StrEnum):
     TOOL_CALL = "tool-call"
     MULTI_TOOL_CALL = "multi-tool-call"
     AGENT_THOUGHT = "agent-thought"
-    VISION = "vision"
+    VISION = auto()
     STREAM_TOOL_CALL = "stream-tool-call"
-    DOCUMENT = "document"
-    VIDEO = "video"
-    AUDIO = "audio"
+    DOCUMENT = auto()
+    VIDEO = auto()
+    AUDIO = auto()