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 (E302, E305, E501)
- 修复行长度超过100字符的问题
- 修复F821未定义名称错误

backend/enterprise_manager.py

@@ -21,6 +21,7 @@ from typing import Any
 
 logger = logging.getLogger(__name__)
 
+
 class SSOProvider(StrEnum):
     """SSO 提供商类型"""
 
@@ -32,6 +33,7 @@ class SSOProvider(StrEnum):
     GOOGLE = "google"  # Google Workspace
     CUSTOM_SAML = "custom_saml"  # 自定义 SAML
 
+
 class SSOStatus(StrEnum):
     """SSO 配置状态"""
 
@@ -40,6 +42,7 @@ class SSOStatus(StrEnum):
     ACTIVE = "active"  # 已启用
     ERROR = "error"  # 配置错误
 
+
 class SCIMSyncStatus(StrEnum):
     """SCIM 同步状态"""
 
@@ -48,6 +51,7 @@ 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"""
 
@@ -56,6 +60,7 @@ class AuditLogExportFormat(StrEnum):
     PDF = "pdf"
     XLSX = "xlsx"
 
+
 class DataRetentionAction(StrEnum):
     """数据保留策略动作"""
 
@@ -63,6 +68,7 @@ class DataRetentionAction(StrEnum):
     DELETE = "delete"  # 删除
     ANONYMIZE = "anonymize"  # 匿名化
 
+
 class ComplianceStandard(StrEnum):
     """合规标准"""
 
@@ -72,6 +78,7 @@ class ComplianceStandard(StrEnum):
     HIPAA = "hipaa"
     PCI_DSS = "pci_dss"
 
+
 @dataclass
 class SSOConfig:
     """SSO 配置数据类"""
@@ -104,6 +111,7 @@ class SSOConfig:
     last_tested_at: datetime | None
     last_error: str | None
 
+
 @dataclass
 class SCIMConfig:
     """SCIM 配置数据类"""
@@ -128,6 +136,7 @@ class SCIMConfig:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class SCIMUser:
     """SCIM 用户数据类"""
@@ -147,6 +156,7 @@ class SCIMUser:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class AuditLogExport:
     """审计日志导出记录"""
@@ -171,6 +181,7 @@ class AuditLogExport:
     completed_at: datetime | None
     error_message: str | None
 
+
 @dataclass
 class DataRetentionPolicy:
     """数据保留策略"""
@@ -198,6 +209,7 @@ class DataRetentionPolicy:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class DataRetentionJob:
     """数据保留任务"""
@@ -215,6 +227,7 @@ class DataRetentionJob:
     details: dict[str, Any]
     created_at: datetime
 
+
 @dataclass
 class SAMLAuthRequest:
     """SAML 认证请求"""
@@ -229,6 +242,7 @@ class SAMLAuthRequest:
     used: bool
     used_at: datetime | None
 
+
 @dataclass
 class SAMLAuthResponse:
     """SAML 认证响应"""
@@ -245,6 +259,7 @@ class SAMLAuthResponse:
     processed_at: datetime | None
     created_at: datetime
 
+
 class EnterpriseManager:
     """企业级功能管理器"""
 
@@ -2185,9 +2200,11 @@ 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