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/entities/provider_entities.py

@@ -1,4 +1,4 @@
-from enum import Enum
+from enum import StrEnum, auto
 from typing import Optional, Union
 
 from pydantic import BaseModel, ConfigDict, Field
@@ -13,14 +13,14 @@ from core.model_runtime.entities.model_entities import ModelType
 from core.tools.entities.common_entities import I18nObject
 
 
-class ProviderQuotaType(Enum):
-    PAID = "paid"
+class ProviderQuotaType(StrEnum):
+    PAID = auto()
     """hosted paid quota"""
 
-    FREE = "free"
+    FREE = auto()
     """third-party free quota"""
 
-    TRIAL = "trial"
+    TRIAL = auto()
     """hosted trial quota"""
 
     @staticmethod
@@ -31,20 +31,20 @@ class ProviderQuotaType(Enum):
         raise ValueError(f"No matching enum found for value '{value}'")
 
 
-class QuotaUnit(Enum):
-    TIMES = "times"
-    TOKENS = "tokens"
-    CREDITS = "credits"
+class QuotaUnit(StrEnum):
+    TIMES = auto()
+    TOKENS = auto()
+    CREDITS = auto()
 
 
-class SystemConfigurationStatus(Enum):
+class SystemConfigurationStatus(StrEnum):
     """
     Enum class for system configuration status.
     """
 
-    ACTIVE = "active"
+    ACTIVE = auto()
     QUOTA_EXCEEDED = "quota-exceeded"
-    UNSUPPORTED = "unsupported"
+    UNSUPPORTED = auto()
 
 
 class RestrictModel(BaseModel):
@@ -168,14 +168,14 @@ class BasicProviderConfig(BaseModel):
     Base model class for common provider settings like credentials
     """
 
-    class Type(Enum):
-        SECRET_INPUT = CommonParameterType.SECRET_INPUT.value
-        TEXT_INPUT = CommonParameterType.TEXT_INPUT.value
-        SELECT = CommonParameterType.SELECT.value
-        BOOLEAN = CommonParameterType.BOOLEAN.value
-        APP_SELECTOR = CommonParameterType.APP_SELECTOR.value
-        MODEL_SELECTOR = CommonParameterType.MODEL_SELECTOR.value
-        TOOLS_SELECTOR = CommonParameterType.TOOLS_SELECTOR.value
+    class Type(StrEnum):
+        SECRET_INPUT = CommonParameterType.SECRET_INPUT
+        TEXT_INPUT = CommonParameterType.TEXT_INPUT
+        SELECT = CommonParameterType.SELECT
+        BOOLEAN = CommonParameterType.BOOLEAN
+        APP_SELECTOR = CommonParameterType.APP_SELECTOR
+        MODEL_SELECTOR = CommonParameterType.MODEL_SELECTOR
+        TOOLS_SELECTOR = CommonParameterType.TOOLS_SELECTOR
 
         @classmethod
         def value_of(cls, value: str) -> "ProviderConfig.Type":