fix: auto-fix code issues (cron)

- 修复重复导入/字段
- 修复异常处理
- 修复PEP8格式问题
- 添加类型注解

backend/enterprise_manager.py

@@ -21,7 +21,6 @@ from typing import Any
 
 logger = logging.getLogger(__name__)
 
-
 class SSOProvider(StrEnum):
     """SSO 提供商类型"""
 
@@ -33,7 +32,6 @@ class SSOProvider(StrEnum):
     GOOGLE = "google"  # Google Workspace
     CUSTOM_SAML = "custom_saml"  # 自定义 SAML
 
-
 class SSOStatus(StrEnum):
     """SSO 配置状态"""
 
@@ -42,7 +40,6 @@ class SSOStatus(StrEnum):
     ACTIVE = "active"  # 已启用
     ERROR = "error"  # 配置错误
 
-
 class SCIMSyncStatus(StrEnum):
     """SCIM 同步状态"""
 
@@ -51,7 +48,6 @@ class SCIMSyncStatus(StrEnum):
     SUCCESS = "success"  # 同步成功
     FAILED = "failed"  # 同步失败
 
-
 class AuditLogExportFormat(StrEnum):
     """审计日志导出格式"""
 
@@ -60,7 +56,6 @@ class AuditLogExportFormat(StrEnum):
     PDF = "pdf"
     XLSX = "xlsx"
 
-
 class DataRetentionAction(StrEnum):
     """数据保留策略动作"""
 
@@ -68,7 +63,6 @@ class DataRetentionAction(StrEnum):
     DELETE = "delete"  # 删除
     ANONYMIZE = "anonymize"  # 匿名化
 
-
 class ComplianceStandard(StrEnum):
     """合规标准"""
 
@@ -78,7 +72,6 @@ class ComplianceStandard(StrEnum):
     HIPAA = "hipaa"
     PCI_DSS = "pci_dss"
 
-
 @dataclass
 class SSOConfig:
     """SSO 配置数据类"""
@@ -111,7 +104,6 @@ class SSOConfig:
     last_tested_at: datetime | None
     last_error: str | None
 
-
 @dataclass
 class SCIMConfig:
     """SCIM 配置数据类"""
@@ -136,7 +128,6 @@ class SCIMConfig:
     created_at: datetime
     updated_at: datetime
 
-
 @dataclass
 class SCIMUser:
     """SCIM 用户数据类"""
@@ -156,7 +147,6 @@ class SCIMUser:
     created_at: datetime
     updated_at: datetime
 
-
 @dataclass
 class AuditLogExport:
     """审计日志导出记录"""
@@ -181,7 +171,6 @@ class AuditLogExport:
     completed_at: datetime | None
     error_message: str | None
 
-
 @dataclass
 class DataRetentionPolicy:
     """数据保留策略"""
@@ -209,7 +198,6 @@ class DataRetentionPolicy:
     created_at: datetime
     updated_at: datetime
 
-
 @dataclass
 class DataRetentionJob:
     """数据保留任务"""
@@ -227,7 +215,6 @@ class DataRetentionJob:
     details: dict[str, Any]
     created_at: datetime
 
-
 @dataclass
 class SAMLAuthRequest:
     """SAML 认证请求"""
@@ -242,7 +229,6 @@ class SAMLAuthRequest:
     used: bool
     used_at: datetime | None
 
-
 @dataclass
 class SAMLAuthResponse:
     """SAML 认证响应"""
@@ -259,7 +245,6 @@ class SAMLAuthResponse:
     processed_at: datetime | None
     created_at: datetime
 
-
 class EnterpriseManager:
     """企业级功能管理器"""
 
@@ -2109,11 +2094,9 @@ class EnterpriseManager:
             ),
         )
 
-
 # 全局实例
 _enterprise_manager = None
 
-
 def get_enterprise_manager(db_path: str = "insightflow.db") -> EnterpriseManager:
     """获取 EnterpriseManager 单例"""
     global _enterprise_manager