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/ai_manager.py

@@ -27,6 +27,7 @@ import httpx
 # Database path
 DB_PATH = os.path.join(os.path.dirname(__file__), "insightflow.db")
 
+
 class ModelType(StrEnum):
     """模型类型"""
 
@@ -35,6 +36,7 @@ class ModelType(StrEnum):
     SUMMARIZATION = "summarization"  # 摘要
     PREDICTION = "prediction"  # 预测
 
+
 class ModelStatus(StrEnum):
     """模型状态"""
 
@@ -44,6 +46,7 @@ class ModelStatus(StrEnum):
     FAILED = "failed"
     ARCHIVED = "archived"
 
+
 class MultimodalProvider(StrEnum):
     """多模态模型提供商"""
 
@@ -52,6 +55,7 @@ class MultimodalProvider(StrEnum):
     GEMINI = "gemini-pro-vision"
     KIMI_VL = "kimi-vl"
 
+
 class PredictionType(StrEnum):
     """预测类型"""
 
@@ -60,6 +64,7 @@ class PredictionType(StrEnum):
     ENTITY_GROWTH = "entity_growth"  # 实体增长预测
     RELATION_EVOLUTION = "relation_evolution"  # 关系演变预测
 
+
 @dataclass
 class CustomModel:
     """自定义模型"""
@@ -79,6 +84,7 @@ class CustomModel:
     trained_at: str | None
     created_by: str
 
+
 @dataclass
 class TrainingSample:
     """训练样本"""
@@ -90,6 +96,7 @@ class TrainingSample:
     metadata: dict
     created_at: str
 
+
 @dataclass
 class MultimodalAnalysis:
     """多模态分析结果"""
@@ -106,6 +113,7 @@ class MultimodalAnalysis:
     cost: float
     created_at: str
 
+
 @dataclass
 class KnowledgeGraphRAG:
     """基于知识图谱的 RAG 配置"""
@@ -122,6 +130,7 @@ class KnowledgeGraphRAG:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class RAGQuery:
     """RAG 查询记录"""
@@ -137,6 +146,7 @@ class RAGQuery:
     latency_ms: int
     created_at: str
 
+
 @dataclass
 class PredictionModel:
     """预测模型"""
@@ -156,6 +166,7 @@ class PredictionModel:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class PredictionResult:
     """预测结果"""
@@ -171,6 +182,7 @@ class PredictionResult:
     is_correct: bool | None
     created_at: str
 
+
 @dataclass
 class SmartSummary:
     """智能摘要"""
@@ -188,6 +200,7 @@ class SmartSummary:
     tokens_used: int
     created_at: str
 
+
 class AIManager:
     """AI 能力管理主类"""
 
@@ -242,7 +255,8 @@ class AIManager:
                 """
                 INSERT INTO custom_models
                 (id, tenant_id, name, description, model_type, status, training_data,
-                 hyperparameters, metrics, model_path, created_at, updated_at, trained_at, created_by)
+                hyperparameters, metrics, model_path, created_at, updated_at,
+                trained_at, created_by)
                 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
             """,
                 (
@@ -846,7 +860,8 @@ class AIManager:
             conn.execute(
                 """
                 INSERT INTO rag_queries
-                (id, rag_id, query, context, answer, sources, confidence, tokens_used, latency_ms, created_at)
+                (id, rag_id, query, context, answer, sources, confidence,
+                tokens_used, latency_ms, created_at)
                 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
             """,
                 (
@@ -1077,8 +1092,9 @@ class AIManager:
             conn.execute(
                 """
                 INSERT INTO prediction_models
-                (id, tenant_id, project_id, name, prediction_type, target_entity_type, features,
+                (id, tenant_id, project_id, name, prediction_type, target_entity_type,
-                 model_config, accuracy, last_trained_at, prediction_count, is_active, created_at, updated_at)
+                features, model_config, accuracy, last_trained_at, prediction_count,
+                is_active, created_at, updated_at)
                 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
             """,
                 (
@@ -1487,9 +1503,11 @@ class AIManager:
             created_at=row["created_at"],
         )
 
+
 # Singleton instance
 _ai_manager = None
 
+
 def get_ai_manager() -> AIManager:
     global _ai_manager
     if _ai_manager is None:

backend/api_key_manager.py

@@ -15,11 +15,13 @@ from enum import Enum
 
 DB_PATH = os.getenv("DB_PATH", "/app/data/insightflow.db")
 
+
 class ApiKeyStatus(Enum):
     ACTIVE = "active"
     REVOKED = "revoked"
     EXPIRED = "expired"
 
+
 @dataclass
 class ApiKey:
     id: str
@@ -37,6 +39,7 @@ class ApiKey:
     revoked_reason: str | None
     total_calls: int = 0
 
+
 class ApiKeyManager:
     """API Key 管理器"""
 
@@ -106,7 +109,8 @@ class ApiKeyManager:
                 CREATE INDEX IF NOT EXISTS idx_api_keys_owner ON api_keys(owner_id);
                 CREATE INDEX IF NOT EXISTS idx_api_logs_key_id ON api_call_logs(api_key_id);
                 CREATE INDEX IF NOT EXISTS idx_api_logs_created ON api_call_logs(created_at);
-                CREATE INDEX IF NOT EXISTS idx_api_stats_key_date ON api_call_stats(api_key_id, date);
+                CREATE INDEX IF NOT EXISTS idx_api_stats_key_date
+                ON api_call_stats(api_key_id, date);
             """)
             conn.commit()
 
@@ -522,9 +526,11 @@ class ApiKeyManager:
             total_calls=row["total_calls"],
         )
 
+
 # 全局实例
 _api_key_manager: ApiKeyManager | None = None
 
+
 def get_api_key_manager() -> ApiKeyManager:
     """获取 API Key 管理器实例"""
     global _api_key_manager

backend/collaboration_manager.py

@@ -11,6 +11,7 @@ from datetime import datetime, timedelta
 from enum import Enum
 from typing import Any
 
+
 class SharePermission(Enum):
     """分享权限级别"""
 
@@ -19,6 +20,7 @@ class SharePermission(Enum):
     EDIT = "edit"  # 可编辑
     ADMIN = "admin"  # 管理员
 
+
 class CommentTargetType(Enum):
     """评论目标类型"""
 
@@ -27,6 +29,7 @@ class CommentTargetType(Enum):
     TRANSCRIPT = "transcript"  # 转录文本评论
     PROJECT = "project"  # 项目级评论
 
+
 class ChangeType(Enum):
     """变更类型"""
 
@@ -36,6 +39,7 @@ class ChangeType(Enum):
     MERGE = "merge"  # 合并
     SPLIT = "split"  # 拆分
 
+
 @dataclass
 class ProjectShare:
     """项目分享链接"""
@@ -54,6 +58,7 @@ class ProjectShare:
     allow_download: bool  # 允许下载
     allow_export: bool  # 允许导出
 
+
 @dataclass
 class Comment:
     """评论/批注"""
@@ -74,6 +79,7 @@ class Comment:
     mentions: list[str]  # 提及的用户
     attachments: list[dict]  # 附件
 
+
 @dataclass
 class ChangeRecord:
     """变更记录"""
@@ -95,6 +101,7 @@ class ChangeRecord:
     reverted_at: str | None  # 回滚时间
     reverted_by: str | None  # 回滚者
 
+
 @dataclass
 class TeamMember:
     """团队成员"""
@@ -110,6 +117,7 @@ class TeamMember:
     last_active_at: str | None  # 最后活跃时间
     permissions: list[str]  # 具体权限列表
 
+
 @dataclass
 class TeamSpace:
     """团队空间"""
@@ -124,6 +132,7 @@ class TeamSpace:
     project_count: int
     settings: dict[str, Any]  # 团队设置
 
+
 class CollaborationManager:
     """协作管理主类"""
 
@@ -982,9 +991,11 @@ class CollaborationManager:
         )
         self.db.conn.commit()
 
+
 # 全局协作管理器实例
 _collaboration_manager = None
 
+
 def get_collaboration_manager(db_manager=None) -> None:
     """获取协作管理器单例"""
     global _collaboration_manager

backend/db_manager.py

@@ -17,6 +17,7 @@ DB_PATH = os.getenv("DB_PATH", "/app/data/insightflow.db")
 # Constants
 UUID_LENGTH = 8  # UUID 截断长度
 
+
 @dataclass
 class Project:
     id: str
@@ -25,6 +26,7 @@ class Project:
     created_at: str = ""
     updated_at: str = ""
 
+
 @dataclass
 class Entity:
     id: str
@@ -45,6 +47,7 @@ class Entity:
         if self.attributes is None:
             self.attributes = {}
 
+
 @dataclass
 class AttributeTemplate:
     """属性模板定义"""
@@ -65,6 +68,7 @@ class AttributeTemplate:
         if self.options is None:
             self.options = []
 
+
 @dataclass
 class EntityAttribute:
     """实体属性值"""
@@ -85,6 +89,7 @@ class EntityAttribute:
         if self.options is None:
             self.options = []
 
+
 @dataclass
 class AttributeHistory:
     """属性变更历史"""
@@ -98,6 +103,7 @@ class AttributeHistory:
     changed_at: str = ""
     change_reason: str = ""
 
+
 @dataclass
 class EntityMention:
     id: str
@@ -108,6 +114,7 @@ class EntityMention:
     text_snippet: str
     confidence: float = 1.0
 
+
 class DatabaseManager:
     def __init__(self, db_path: str = DB_PATH):
         self.db_path = db_path
@@ -135,7 +142,8 @@ class DatabaseManager:
         conn = self.get_conn()
         now = datetime.now().isoformat()
         conn.execute(
-            "INSERT INTO projects (id, name, description, created_at, updated_at) VALUES (?, ?, ?, ?, ?)",
+            """INSERT INTO projects (id, name, description, created_at, updated_at)
+            VALUES (?, ?, ?, ?, ?)""",
             (project_id, name, description, now, now),
         )
         conn.commit()
@@ -186,7 +194,8 @@ class DatabaseManager:
         """通过名称查找实体（用于对齐）"""
         conn = self.get_conn()
         row = conn.execute(
-            "SELECT * FROM entities WHERE project_id = ? AND (name = ? OR canonical_name = ? OR aliases LIKE ?)",
+            """SELECT * FROM entities WHERE project_id = ?
+            AND (name = ? OR canonical_name = ? OR aliases LIKE ?)""",
             (project_id, name, name, f'%"{name}"%'),
         ).fetchone()
         conn.close()
@@ -322,8 +331,9 @@ class DatabaseManager:
     def add_mention(self, mention: EntityMention) -> EntityMention:
         conn = self.get_conn()
         conn.execute(
-            """INSERT INTO entity_mentions (id, entity_id, transcript_id, start_pos, end_pos, text_snippet, confidence)
+            """INSERT INTO entity_mentions
-               VALUES (?, ?, ?, ?, ?, ?, ?)""",
+            (id, entity_id, transcript_id, start_pos, end_pos, text_snippet, confidence)
+            VALUES (?, ?, ?, ?, ?, ?, ?)""",
             (mention.id,
              mention.entity_id,
              mention.transcript_id,
@@ -359,7 +369,9 @@ class DatabaseManager:
         conn = self.get_conn()
         now = datetime.now().isoformat()
         conn.execute(
-            "INSERT INTO transcripts (id, project_id, filename, full_text, type, created_at) VALUES (?, ?, ?, ?, ?, ?)",
+            """INSERT INTO transcripts
+            (id, project_id, filename, full_text, type, created_at)
+            VALUES (?, ?, ?, ?, ?, ?)""",
             (transcript_id,
              project_id,
              filename,
@@ -412,8 +424,9 @@ class DatabaseManager:
         now = datetime.now().isoformat()
         conn.execute(
             """INSERT INTO entity_relations
-               (id, project_id, source_entity_id, target_entity_id, relation_type, evidence, transcript_id, created_at)
+            (id, project_id, source_entity_id, target_entity_id, relation_type,
-               VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
+            evidence, transcript_id, created_at)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
             (
                 relation_id,
                 project_id,
@@ -494,7 +507,9 @@ class DatabaseManager:
 
         term_id = str(uuid.uuid4())[:UUID_LENGTH]
         conn.execute(
-            "INSERT INTO glossary (id, project_id, term, pronunciation, frequency) VALUES (?, ?, ?, ?, ?)",
+            """INSERT INTO glossary
+            (id, project_id, term, pronunciation, frequency)
+            VALUES (?, ?, ?, ?, ?)""",
             (term_id, project_id, term, pronunciation, 1),
         )
         conn.commit()
@@ -840,8 +855,9 @@ class DatabaseManager:
         if old_value != attr.value:
             conn.execute(
                 """INSERT INTO attribute_history
-                   (id, entity_id, template_id, old_value, new_value, changed_by, changed_at, change_reason)
+                (id, entity_id, template_id, old_value, new_value,
-                   VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
+                changed_by, changed_at, change_reason)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
                 (
                     str(uuid.uuid4())[:UUID_LENGTH],
                     attr.entity_id,
@@ -856,12 +872,18 @@ class DatabaseManager:
 
         conn.execute(
             """INSERT OR REPLACE INTO entity_attributes
-               (id, entity_id, template_id, value, created_at, updated_at)
+            (id, entity_id, template_id, value, created_at, updated_at)
-               VALUES (
+            VALUES (
-                   COALESCE((SELECT id FROM entity_attributes WHERE entity_id = ? AND template_id = ?), ?),
+                COALESCE(
-                   ?, ?, ?,
+                    (SELECT id FROM entity_attributes
-                   COALESCE((SELECT created_at FROM entity_attributes WHERE entity_id = ? AND template_id = ?), ?),
+                    WHERE entity_id = ? AND template_id = ?), ?
-                   ?)""",
+                ),
+                ?, ?, ?,
+                COALESCE(
+                    (SELECT created_at FROM entity_attributes
+                    WHERE entity_id = ? AND template_id = ?), ?
+                ),
+                ?)""",
             (
                 attr.entity_id,
                 attr.template_id,
@@ -912,15 +934,17 @@ class DatabaseManager:
     ):
         conn = self.get_conn()
         old_row = conn.execute(
-            "SELECT value FROM entity_attributes WHERE entity_id = ? AND template_id = ?",
+            """SELECT value FROM entity_attributes
+            WHERE entity_id = ? AND template_id = ?""",
             (entity_id, template_id),
         ).fetchone()
 
         if old_row:
             conn.execute(
                 """INSERT INTO attribute_history
-                   (id, entity_id, template_id, old_value, new_value, changed_by, changed_at, change_reason)
+                (id, entity_id, template_id, old_value, new_value,
-                   VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
+                changed_by, changed_at, change_reason)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
                 (
                     str(uuid.uuid4())[:UUID_LENGTH],
                     entity_id,
@@ -1107,8 +1131,9 @@ class DatabaseManager:
 
         conn.execute(
             """INSERT INTO video_frames
-               (id, video_id, frame_number, timestamp, image_url, ocr_text, extracted_entities, created_at)
+            (id, video_id, frame_number, timestamp, image_url, ocr_text,
-               VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
+            extracted_entities, created_at)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
             (
                 frame_id,
                 video_id,
@@ -1394,9 +1419,11 @@ class DatabaseManager:
         conn.close()
         return stats
 
+
 # Singleton instance
 _db_manager = None
 
+
 def get_db_manager() -> DatabaseManager:
     global _db_manager
     if _db_manager is None:

backend/developer_ecosystem_manager.py

@@ -21,6 +21,7 @@ from enum import StrEnum
 # Database path
 DB_PATH = os.path.join(os.path.dirname(__file__), "insightflow.db")
 
+
 class SDKLanguage(StrEnum):
     """SDK 语言类型"""
 
@@ -31,6 +32,7 @@ class SDKLanguage(StrEnum):
     JAVA = "java"
     RUST = "rust"
 
+
 class SDKStatus(StrEnum):
     """SDK 状态"""
 
@@ -40,6 +42,7 @@ class SDKStatus(StrEnum):
     DEPRECATED = "deprecated"  # 已弃用
     ARCHIVED = "archived"  # 已归档
 
+
 class TemplateCategory(StrEnum):
     """模板分类"""
 
@@ -50,6 +53,7 @@ class TemplateCategory(StrEnum):
     TECH = "tech"  # 科技
     GENERAL = "general"  # 通用
 
+
 class TemplateStatus(StrEnum):
     """模板状态"""
 
@@ -59,6 +63,7 @@ class TemplateStatus(StrEnum):
     PUBLISHED = "published"  # 已发布
     UNLISTED = "unlisted"  # 未列出
 
+
 class PluginStatus(StrEnum):
     """插件状态"""
 
@@ -69,6 +74,7 @@ class PluginStatus(StrEnum):
     PUBLISHED = "published"  # 已发布
     SUSPENDED = "suspended"  # 已暂停
 
+
 class PluginCategory(StrEnum):
     """插件分类"""
 
@@ -79,6 +85,7 @@ class PluginCategory(StrEnum):
     SECURITY = "security"  # 安全
     CUSTOM = "custom"  # 自定义
 
+
 class DeveloperStatus(StrEnum):
     """开发者认证状态"""
 
@@ -88,6 +95,7 @@ class DeveloperStatus(StrEnum):
     CERTIFIED = "certified"  # 已认证（高级）
     SUSPENDED = "suspended"  # 已暂停
 
+
 @dataclass
 class SDKRelease:
     """SDK 发布"""
@@ -113,6 +121,7 @@ class SDKRelease:
     published_at: str | None
     created_by: str
 
+
 @dataclass
 class SDKVersion:
     """SDK 版本历史"""
@@ -129,6 +138,7 @@ class SDKVersion:
     download_count: int
     created_at: str
 
+
 @dataclass
 class TemplateMarketItem:
     """模板市场项目"""
@@ -160,6 +170,7 @@ class TemplateMarketItem:
     updated_at: str
     published_at: str | None
 
+
 @dataclass
 class TemplateReview:
     """模板评价"""
@@ -175,6 +186,7 @@ class TemplateReview:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class PluginMarketItem:
     """插件市场项目"""
@@ -213,6 +225,7 @@ class PluginMarketItem:
     reviewed_at: str | None
     review_notes: str | None
 
+
 @dataclass
 class PluginReview:
     """插件评价"""
@@ -228,6 +241,7 @@ class PluginReview:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class DeveloperProfile:
     """开发者档案"""
@@ -251,6 +265,7 @@ class DeveloperProfile:
     updated_at: str
     verified_at: str | None
 
+
 @dataclass
 class DeveloperRevenue:
     """开发者收益"""
@@ -268,6 +283,7 @@ class DeveloperRevenue:
     transaction_id: str
     created_at: str
 
+
 @dataclass
 class CodeExample:
     """代码示例"""
@@ -290,6 +306,7 @@ class CodeExample:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class APIDocumentation:
     """API 文档生成记录"""
@@ -303,6 +320,7 @@ class APIDocumentation:
     generated_at: str
     generated_by: str
 
+
 @dataclass
 class DeveloperPortalConfig:
     """开发者门户配置"""
@@ -326,6 +344,7 @@ class DeveloperPortalConfig:
     created_at: str
     updated_at: str
 
+
 class DeveloperEcosystemManager:
     """开发者生态系统管理主类"""
 
@@ -2033,9 +2052,11 @@ class DeveloperEcosystemManager:
             updated_at=row["updated_at"],
         )
 
+
 # Singleton instance
 _developer_ecosystem_manager = None
 
+
 def get_developer_ecosystem_manager() -> DeveloperEcosystemManager:
     """获取开发者生态系统管理器单例"""
     global _developer_ecosystem_manager

backend/document_processor.py

@@ -7,6 +7,7 @@ Document Processor - Phase 3
 import io
 import os
 
+
 class DocumentProcessor:
     """文档处理器 - 提取 PDF/DOCX 文本"""
 
@@ -156,6 +157,8 @@ class DocumentProcessor:
         return ext in self.supported_formats
 
 # 简单的文本提取器（不需要外部依赖）
+
+
 class SimpleTextExtractor:
     """简单的文本提取器，用于测试"""
 
@@ -171,6 +174,7 @@ class SimpleTextExtractor:
 
         return content.decode("latin-1", errors="ignore")
 
+
 if __name__ == "__main__":
     # 测试
     processor = DocumentProcessor()

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

backend/entity_aligner.py

@@ -15,6 +15,7 @@ import numpy as np
 KIMI_API_KEY = os.getenv("KIMI_API_KEY", "")
 KIMI_BASE_URL = os.getenv("KIMI_BASE_URL", "https://api.kimi.com/coding")
 
+
 @dataclass
 class EntityEmbedding:
     entity_id: str
@@ -22,6 +23,7 @@ class EntityEmbedding:
     definition: str
     embedding: list[float]
 
+
 class EntityAligner:
     """实体对齐器 - 使用 embedding 进行相似度匹配"""
 
@@ -64,7 +66,7 @@ class EntityAligner:
             self.embedding_cache[cache_key] = embedding
             return embedding
 
-        except Exception as e:
+        except (httpx.HTTPError, json.JSONDecodeError, KeyError) as e:
             print(f"Embedding API failed: {e}")
             return None
 
@@ -311,12 +313,14 @@ class EntityAligner:
             if json_match:
                 data = json.loads(json_match.group())
                 return data.get("aliases", [])
-        except Exception as e:
+        except (httpx.HTTPError, json.JSONDecodeError, KeyError) as e:
             print(f"Alias suggestion failed: {e}")
 
         return []
 
 # 简单的字符串相似度计算（不使用 embedding）
+
+
 def simple_similarity(str1: str, str2: str) -> float:
     """
     计算两个字符串的简单相似度
@@ -347,6 +351,7 @@ def simple_similarity(str1: str, str2: str) -> float:
 
     return SequenceMatcher(None, s1, s2).ratio()
 
+
 if __name__ == "__main__":
     # 测试
     aligner = EntityAligner()

backend/export_manager.py

@@ -36,6 +36,7 @@ try:
 except ImportError:
     REPORTLAB_AVAILABLE = False
 
+
 @dataclass
 class ExportEntity:
     id: str
@@ -46,6 +47,7 @@ class ExportEntity:
     mention_count: int
     attributes: dict[str, Any]
 
+
 @dataclass
 class ExportRelation:
     id: str
@@ -55,6 +57,7 @@ class ExportRelation:
     confidence: float
     evidence: str
 
+
 @dataclass
 class ExportTranscript:
     id: str
@@ -64,6 +67,7 @@ class ExportTranscript:
     segments: list[dict]
     entity_mentions: list[dict]
 
+
 class ExportManager:
     """导出管理器 - 处理各种导出需求"""
 
@@ -611,9 +615,11 @@ class ExportManager:
 
         return json.dumps(data, ensure_ascii=False, indent=2)
 
+
 # 全局导出管理器实例
 _export_manager = None
 
+
 def get_export_manager(db_manager=None) -> None:
     """获取导出管理器实例"""
     global _export_manager

backend/growth_manager.py

@@ -28,6 +28,7 @@ import httpx
 # Database path
 DB_PATH = os.path.join(os.path.dirname(__file__), "insightflow.db")
 
+
 class EventType(StrEnum):
     """事件类型"""
 
@@ -43,6 +44,7 @@ class EventType(StrEnum):
     INVITE_ACCEPTED = "invite_accepted"  # 接受邀请
     REFERRAL_REWARD = "referral_reward"  # 推荐奖励
 
+
 class ExperimentStatus(StrEnum):
     """实验状态"""
 
@@ -52,6 +54,7 @@ class ExperimentStatus(StrEnum):
     COMPLETED = "completed"  # 已完成
     ARCHIVED = "archived"  # 已归档
 
+
 class TrafficAllocationType(StrEnum):
     """流量分配类型"""
 
@@ -59,6 +62,7 @@ class TrafficAllocationType(StrEnum):
     STRATIFIED = "stratified"  # 分层分配
     TARGETED = "targeted"  # 定向分配
 
+
 class EmailTemplateType(StrEnum):
     """邮件模板类型"""
 
@@ -70,6 +74,7 @@ class EmailTemplateType(StrEnum):
     REFERRAL = "referral"  # 推荐邀请
     NEWSLETTER = "newsletter"  # 新闻通讯
 
+
 class EmailStatus(StrEnum):
     """邮件状态"""
 
@@ -83,6 +88,7 @@ class EmailStatus(StrEnum):
     BOUNCED = "bounced"  # 退信
     FAILED = "failed"  # 失败
 
+
 class WorkflowTriggerType(StrEnum):
     """工作流触发类型"""
 
@@ -94,6 +100,7 @@ class WorkflowTriggerType(StrEnum):
     MILESTONE = "milestone"  # 里程碑
     CUSTOM_EVENT = "custom_event"  # 自定义事件
 
+
 class ReferralStatus(StrEnum):
     """推荐状态"""
 
@@ -102,6 +109,7 @@ class ReferralStatus(StrEnum):
     REWARDED = "rewarded"  # 已奖励
     EXPIRED = "expired"  # 已过期
 
+
 @dataclass
 class AnalyticsEvent:
     """分析事件"""
@@ -120,6 +128,7 @@ class AnalyticsEvent:
     utm_medium: str | None
     utm_campaign: str | None
 
+
 @dataclass
 class UserProfile:
     """用户画像"""
@@ -139,6 +148,7 @@ class UserProfile:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class Funnel:
     """转化漏斗"""
@@ -151,6 +161,7 @@ class Funnel:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class FunnelAnalysis:
     """漏斗分析结果"""
@@ -163,6 +174,7 @@ class FunnelAnalysis:
     overall_conversion: float  # 总体转化率
     drop_off_points: list[dict]  # 流失点
 
+
 @dataclass
 class Experiment:
     """A/B 测试实验"""
@@ -187,6 +199,7 @@ class Experiment:
     updated_at: datetime
     created_by: str
 
+
 @dataclass
 class ExperimentResult:
     """实验结果"""
@@ -204,6 +217,7 @@ class ExperimentResult:
     uplift: float  # 提升幅度
     created_at: datetime
 
+
 @dataclass
 class EmailTemplate:
     """邮件模板"""
@@ -224,6 +238,7 @@ class EmailTemplate:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class EmailCampaign:
     """邮件营销活动"""
@@ -245,6 +260,7 @@ class EmailCampaign:
     completed_at: datetime | None
     created_at: datetime
 
+
 @dataclass
 class EmailLog:
     """邮件发送记录"""
@@ -266,6 +282,7 @@ class EmailLog:
     error_message: str | None
     created_at: datetime
 
+
 @dataclass
 class AutomationWorkflow:
     """自动化工作流"""
@@ -282,6 +299,7 @@ class AutomationWorkflow:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class ReferralProgram:
     """推荐计划"""
@@ -301,6 +319,7 @@ class ReferralProgram:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class Referral:
     """推荐记录"""
@@ -321,6 +340,7 @@ class Referral:
     expires_at: datetime
     created_at: datetime
 
+
 @dataclass
 class TeamIncentive:
     """团队升级激励"""
@@ -338,6 +358,7 @@ class TeamIncentive:
     is_active: bool
     created_at: datetime
 
+
 class GrowthManager:
     """运营与增长管理主类"""
 
@@ -2126,9 +2147,11 @@ class GrowthManager:
             created_at=row["created_at"],
         )
 
+
 # Singleton instance
 _growth_manager = None
 
+
 def get_growth_manager() -> GrowthManager:
     global _growth_manager
     if _growth_manager is None:

backend/image_processor.py

@@ -36,6 +36,7 @@ try:
 except ImportError:
     PYTESSERACT_AVAILABLE = False
 
+
 @dataclass
 class ImageEntity:
     """图片中检测到的实体"""
@@ -45,6 +46,7 @@ class ImageEntity:
     confidence: float
     bbox: tuple[int, int, int, int] | None = None  # (x, y, width, height)
 
+
 @dataclass
 class ImageRelation:
     """图片中检测到的关系"""
@@ -54,6 +56,7 @@ class ImageRelation:
     relation_type: str
     confidence: float
 
+
 @dataclass
 class ImageProcessingResult:
     """图片处理结果"""
@@ -69,6 +72,7 @@ class ImageProcessingResult:
     success: bool
     error_message: str = ""
 
+
 @dataclass
 class BatchProcessingResult:
     """批量图片处理结果"""
@@ -78,6 +82,7 @@ class BatchProcessingResult:
     success_count: int
     failed_count: int
 
+
 class ImageProcessor:
     """图片处理器 - 处理各种类型图片"""
 
@@ -551,9 +556,11 @@ class ImageProcessor:
             print(f"Thumbnail generation error: {e}")
             return image_data
 
+
 # Singleton instance
 _image_processor = None
 
+
 def get_image_processor(temp_dir: str = None) -> ImageProcessor:
     """获取图片处理器单例"""
     global _image_processor

backend/knowledge_reasoner.py

@@ -15,6 +15,7 @@ import httpx
 KIMI_API_KEY = os.getenv("KIMI_API_KEY", "")
 KIMI_BASE_URL = os.getenv("KIMI_BASE_URL", "https://api.kimi.com/coding")
 
+
 class ReasoningType(Enum):
     """推理类型"""
 
@@ -24,6 +25,7 @@ class ReasoningType(Enum):
     COMPARATIVE = "comparative"  # 对比推理
     SUMMARY = "summary"  # 总结推理
 
+
 @dataclass
 class ReasoningResult:
     """推理结果"""
@@ -35,6 +37,7 @@ class ReasoningResult:
     related_entities: list[str]  # 相关实体
     gaps: list[str]  # 知识缺口
 
+
 @dataclass
 class InferencePath:
     """推理路径"""
@@ -44,6 +47,7 @@ class InferencePath:
     path: list[dict]  # 路径上的节点和关系
     strength: float  # 路径强度
 
+
 class KnowledgeReasoner:
     """知识推理引擎"""
 
@@ -498,9 +502,11 @@ class KnowledgeReasoner:
             "confidence": 0.5,
         }
 
+
 # Singleton instance
 _reasoner = None
 
+
 def get_knowledge_reasoner() -> KnowledgeReasoner:
     global _reasoner
     if _reasoner is None:

backend/llm_client.py

@@ -15,11 +15,13 @@ import httpx
 KIMI_API_KEY = os.getenv("KIMI_API_KEY", "")
 KIMI_BASE_URL = os.getenv("KIMI_BASE_URL", "https://api.kimi.com/coding")
 
+
 @dataclass
 class ChatMessage:
     role: str
     content: str
 
+
 @dataclass
 class EntityExtractionResult:
     name: str
@@ -27,6 +29,7 @@ class EntityExtractionResult:
     definition: str
     confidence: float
 
+
 @dataclass
 class RelationExtractionResult:
     source: str
@@ -34,6 +37,7 @@ class RelationExtractionResult:
     type: str
     confidence: float
 
+
 class LLMClient:
     """Kimi API 客户端"""
 
@@ -254,9 +258,11 @@ class LLMClient:
         messages = [ChatMessage(role="user", content=prompt)]
         return await self.chat(messages, temperature=0.3)
 
+
 # Singleton instance
 _llm_client = None
 
+
 def get_llm_client() -> LLMClient:
     global _llm_client
     if _llm_client is None:

backend/localization_manager.py

@@ -35,6 +35,7 @@ except ImportError:
 
 logger = logging.getLogger(__name__)
 
+
 class LanguageCode(StrEnum):
     """支持的语言代码"""
 
@@ -51,6 +52,7 @@ class LanguageCode(StrEnum):
     AR = "ar"
     HI = "hi"
 
+
 class RegionCode(StrEnum):
     """区域代码"""
 
@@ -62,6 +64,7 @@ class RegionCode(StrEnum):
     LATIN_AMERICA = "latam"
     MIDDLE_EAST = "me"
 
+
 class DataCenterRegion(StrEnum):
     """数据中心区域"""
 
@@ -75,6 +78,7 @@ class DataCenterRegion(StrEnum):
     CN_NORTH = "cn-north"
     CN_EAST = "cn-east"
 
+
 class PaymentProvider(StrEnum):
     """支付提供商"""
 
@@ -91,6 +95,7 @@ class PaymentProvider(StrEnum):
     SEPA = "sepa"
     UNIONPAY = "unionpay"
 
+
 class CalendarType(StrEnum):
     """日历类型"""
 
@@ -102,6 +107,7 @@ class CalendarType(StrEnum):
     PERSIAN = "persian"
     BUDDHIST = "buddhist"
 
+
 @dataclass
 class Translation:
     id: str
@@ -116,6 +122,7 @@ class Translation:
     reviewed_by: str | None
     reviewed_at: datetime | None
 
+
 @dataclass
 class LanguageConfig:
     code: str
@@ -133,6 +140,7 @@ class LanguageConfig:
     first_day_of_week: int
     calendar_type: str
 
+
 @dataclass
 class DataCenter:
     id: str
@@ -147,6 +155,7 @@ class DataCenter:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class TenantDataCenterMapping:
     id: str
@@ -158,6 +167,7 @@ class TenantDataCenterMapping:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class LocalizedPaymentMethod:
     id: str
@@ -175,6 +185,7 @@ class LocalizedPaymentMethod:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class CountryConfig:
     code: str
@@ -196,6 +207,7 @@ class CountryConfig:
     vat_rate: float | None
     is_active: bool
 
+
 @dataclass
 class TimezoneConfig:
     id: str
@@ -206,6 +218,7 @@ class TimezoneConfig:
     region: str
     is_active: bool
 
+
 @dataclass
 class CurrencyConfig:
     code: str
@@ -217,6 +230,7 @@ class CurrencyConfig:
     thousands_separator: str
     is_active: bool
 
+
 @dataclass
 class LocalizationSettings:
     id: str
@@ -236,6 +250,7 @@ class LocalizationSettings:
     created_at: datetime
     updated_at: datetime
 
+
 class LocalizationManager:
     DEFAULT_LANGUAGES = {
         LanguageCode.EN: {
@@ -1683,8 +1698,10 @@ class LocalizationManager:
             ),
         )
 
+
 _localization_manager = None
 
+
 def get_localization_manager(db_path: str = "insightflow.db") -> LocalizationManager:
     global _localization_manager
     if _localization_manager is None:

backend/multimodal_entity_linker.py

@@ -17,6 +17,7 @@ try:
 except ImportError:
     NUMPY_AVAILABLE = False
 
+
 @dataclass
 class MultimodalEntity:
     """多模态实体"""
@@ -35,6 +36,7 @@ class MultimodalEntity:
         if self.modality_features is None:
             self.modality_features = {}
 
+
 @dataclass
 class EntityLink:
     """实体关联"""
@@ -49,6 +51,7 @@ class EntityLink:
     confidence: float
     evidence: str
 
+
 @dataclass
 class AlignmentResult:
     """对齐结果"""
@@ -59,6 +62,7 @@ class AlignmentResult:
     match_type: str  # exact, fuzzy, embedding
     confidence: float
 
+
 @dataclass
 class FusionResult:
     """知识融合结果"""
@@ -69,6 +73,7 @@ class FusionResult:
     source_modalities: list[str]
     confidence: float
 
+
 class MultimodalEntityLinker:
     """多模态实体关联器 - 跨模态实体对齐和知识融合"""
 
@@ -510,9 +515,11 @@ class MultimodalEntityLinker:
             else 0,
         }
 
+
 # Singleton instance
 _multimodal_entity_linker = None
 
+
 def get_multimodal_entity_linker(similarity_threshold: float = 0.85) -> MultimodalEntityLinker:
     """获取多模态实体关联器单例"""
     global _multimodal_entity_linker

backend/multimodal_processor.py

@@ -38,6 +38,7 @@ try:
 except ImportError:
     FFMPEG_AVAILABLE = False
 
+
 @dataclass
 class VideoFrame:
     """视频关键帧数据类"""
@@ -55,6 +56,7 @@ class VideoFrame:
         if self.entities_detected is None:
             self.entities_detected = []
 
+
 @dataclass
 class VideoInfo:
     """视频信息数据类"""
@@ -78,6 +80,7 @@ class VideoInfo:
         if self.metadata is None:
             self.metadata = {}
 
+
 @dataclass
 class VideoProcessingResult:
     """视频处理结果"""
@@ -90,6 +93,7 @@ class VideoProcessingResult:
     success: bool
     error_message: str = ""
 
+
 class MultimodalProcessor:
     """多模态处理器 - 处理视频文件"""
 
@@ -448,9 +452,11 @@ class MultimodalProcessor:
                     shutil.rmtree(dir_path)
                     os.makedirs(dir_path, exist_ok=True)
 
+
 # Singleton instance
 _multimodal_processor = None
 
+
 def get_multimodal_processor(temp_dir: str = None, frame_interval: int = 5) -> MultimodalProcessor:
     """获取多模态处理器单例"""
     global _multimodal_processor

backend/neo4j_manager.py

@@ -26,6 +26,7 @@ except ImportError:
     NEO4J_AVAILABLE = False
     logger.warning("Neo4j driver not installed. Neo4j features will be disabled.")
 
+
 @dataclass
 class GraphEntity:
     """图数据库中的实体节点"""
@@ -44,6 +45,7 @@ class GraphEntity:
         if self.properties is None:
             self.properties = {}
 
+
 @dataclass
 class GraphRelation:
     """图数据库中的关系边"""
@@ -59,6 +61,7 @@ class GraphRelation:
         if self.properties is None:
             self.properties = {}
 
+
 @dataclass
 class PathResult:
     """路径查询结果"""
@@ -68,6 +71,7 @@ class PathResult:
     length: int
     total_weight: float = 0.0
 
+
 @dataclass
 class CommunityResult:
     """社区发现结果"""
@@ -77,6 +81,7 @@ class CommunityResult:
     size: int
     density: float = 0.0
 
+
 @dataclass
 class CentralityResult:
     """中心性分析结果"""
@@ -86,6 +91,7 @@ class CentralityResult:
     score: float
     rank: int = 0
 
+
 class Neo4jManager:
     """Neo4j 图数据库管理器"""
 
@@ -962,9 +968,11 @@ class Neo4jManager:
 
             return {"nodes": nodes, "relationships": relationships}
 
+
 # 全局单例
 _neo4j_manager = None
 
+
 def get_neo4j_manager() -> Neo4jManager:
     """获取 Neo4j 管理器单例"""
     global _neo4j_manager
@@ -972,6 +980,7 @@ def get_neo4j_manager() -> Neo4jManager:
         _neo4j_manager = Neo4jManager()
     return _neo4j_manager
 
+
 def close_neo4j_manager() -> None:
     """关闭 Neo4j 连接"""
     global _neo4j_manager
@@ -980,6 +989,8 @@ def close_neo4j_manager() -> None:
         _neo4j_manager = None
 
 # 便捷函数
+
+
 def sync_project_to_neo4j(
     project_id: str, project_name: str, entities: list[dict], relations: list[dict]
 ) -> None:
@@ -1033,6 +1044,7 @@ def sync_project_to_neo4j(
         f"Synced project {project_id} to Neo4j: {len(entities)} entities, {len(relations)} relations"
     )
 
+
 if __name__ == "__main__":
     # 测试代码
     logging.basicConfig(level=logging.INFO)

backend/ops_manager.py

@@ -29,6 +29,7 @@ import httpx
 # Database path
 DB_PATH = os.path.join(os.path.dirname(__file__), "insightflow.db")
 
+
 class AlertSeverity(StrEnum):
     """告警严重级别 P0-P3"""
 
@@ -37,6 +38,7 @@ class AlertSeverity(StrEnum):
     P2 = "p2"  # 一般 - 部分功能受影响，需要4小时内处理
     P3 = "p3"  # 轻微 - 非核心功能问题，24小时内处理
 
+
 class AlertStatus(StrEnum):
     """告警状态"""
 
@@ -45,6 +47,7 @@ class AlertStatus(StrEnum):
     ACKNOWLEDGED = "acknowledged"  # 已确认
     SUPPRESSED = "suppressed"  # 已抑制
 
+
 class AlertChannelType(StrEnum):
     """告警渠道类型"""
 
@@ -57,6 +60,7 @@ class AlertChannelType(StrEnum):
     SMS = "sms"
     WEBHOOK = "webhook"
 
+
 class AlertRuleType(StrEnum):
     """告警规则类型"""
 
@@ -65,6 +69,7 @@ class AlertRuleType(StrEnum):
     PREDICTIVE = "predictive"  # 预测性告警
     COMPOSITE = "composite"  # 复合告警
 
+
 class ResourceType(StrEnum):
     """资源类型"""
 
@@ -77,6 +82,7 @@ class ResourceType(StrEnum):
     CACHE = "cache"
     QUEUE = "queue"
 
+
 class ScalingAction(StrEnum):
     """扩缩容动作"""
 
@@ -84,6 +90,7 @@ class ScalingAction(StrEnum):
     SCALE_DOWN = "scale_down"  # 缩容
     MAINTAIN = "maintain"  # 保持
 
+
 class HealthStatus(StrEnum):
     """健康状态"""
 
@@ -92,6 +99,7 @@ class HealthStatus(StrEnum):
     UNHEALTHY = "unhealthy"
     UNKNOWN = "unknown"
 
+
 class BackupStatus(StrEnum):
     """备份状态"""
 
@@ -101,6 +109,7 @@ class BackupStatus(StrEnum):
     FAILED = "failed"
     VERIFIED = "verified"
 
+
 @dataclass
 class AlertRule:
     """告警规则"""
@@ -124,6 +133,7 @@ class AlertRule:
     updated_at: str
     created_by: str
 
+
 @dataclass
 class AlertChannel:
     """告警渠道配置"""
@@ -141,6 +151,7 @@ class AlertChannel:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class Alert:
     """告警实例"""
@@ -164,6 +175,7 @@ class Alert:
     notification_sent: dict[str, bool]  # 渠道发送状态
     suppression_count: int  # 抑制计数
 
+
 @dataclass
 class AlertSuppressionRule:
     """告警抑制规则"""
@@ -177,6 +189,7 @@ class AlertSuppressionRule:
     created_at: str
     expires_at: str | None
 
+
 @dataclass
 class AlertGroup:
     """告警聚合组"""
@@ -188,6 +201,7 @@ class AlertGroup:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class ResourceMetric:
     """资源指标"""
@@ -202,6 +216,7 @@ class ResourceMetric:
     timestamp: str
     metadata: dict
 
+
 @dataclass
 class CapacityPlan:
     """容量规划"""
@@ -217,6 +232,7 @@ class CapacityPlan:
     estimated_cost: float
     created_at: str
 
+
 @dataclass
 class AutoScalingPolicy:
     """自动扩缩容策略"""
@@ -237,6 +253,7 @@ class AutoScalingPolicy:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class ScalingEvent:
     """扩缩容事件"""
@@ -254,6 +271,7 @@ class ScalingEvent:
     completed_at: str | None
     error_message: str | None
 
+
 @dataclass
 class HealthCheck:
     """健康检查配置"""
@@ -274,6 +292,7 @@ class HealthCheck:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class HealthCheckResult:
     """健康检查结果"""
@@ -287,6 +306,7 @@ class HealthCheckResult:
     details: dict
     checked_at: str
 
+
 @dataclass
 class FailoverConfig:
     """故障转移配置"""
@@ -304,6 +324,7 @@ class FailoverConfig:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class FailoverEvent:
     """故障转移事件"""
@@ -319,6 +340,7 @@ class FailoverEvent:
     completed_at: str | None
     rolled_back_at: str | None
 
+
 @dataclass
 class BackupJob:
     """备份任务"""
@@ -338,6 +360,7 @@ class BackupJob:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class BackupRecord:
     """备份记录"""
@@ -354,6 +377,7 @@ class BackupRecord:
     error_message: str | None
     storage_path: str
 
+
 @dataclass
 class CostReport:
     """成本报告"""
@@ -368,6 +392,7 @@ class CostReport:
     anomalies: list[dict]  # 异常检测
     created_at: str
 
+
 @dataclass
 class ResourceUtilization:
     """资源利用率"""
@@ -383,6 +408,7 @@ class ResourceUtilization:
     report_date: str
     recommendations: list[str]
 
+
 @dataclass
 class IdleResource:
     """闲置资源"""
@@ -399,6 +425,7 @@ class IdleResource:
     recommendation: str
     detected_at: str
 
+
 @dataclass
 class CostOptimizationSuggestion:
     """成本优化建议"""
@@ -418,6 +445,7 @@ class CostOptimizationSuggestion:
     created_at: str
     applied_at: str | None
 
+
 class OpsManager:
     """运维与监控管理主类"""
 
@@ -3070,9 +3098,11 @@ class OpsManager:
             applied_at=row["applied_at"],
         )
 
+
 # Singleton instance
 _ops_manager = None
 
+
 def get_ops_manager() -> OpsManager:
     global _ops_manager
     if _ops_manager is None:

backend/oss_uploader.py

@@ -9,6 +9,7 @@ from datetime import datetime
 
 import oss2
 
+
 class OSSUploader:
     def __init__(self):
         self.access_key = os.getenv("ALI_ACCESS_KEY")
@@ -40,9 +41,11 @@ class OSSUploader:
         """删除 OSS 对象"""
         self.bucket.delete_object(object_name)
 
+
 # 单例
 _oss_uploader = None
 
+
 def get_oss_uploader() -> OSSUploader:
     global _oss_uploader
     if _oss_uploader is None:

backend/performance_manager.py

@@ -42,6 +42,7 @@ except ImportError:
 
 # ==================== 数据模型 ====================
 
+
 @dataclass
 class CacheStats:
     """缓存统计数据模型"""
@@ -58,6 +59,7 @@ class CacheStats:
         if self.total_requests > 0:
             self.hit_rate = round(self.hits / self.total_requests, 4)
 
+
 @dataclass
 class CacheEntry:
     """缓存条目数据模型"""
@@ -70,6 +72,7 @@ class CacheEntry:
     last_accessed: float = 0
     size_bytes: int = 0
 
+
 @dataclass
 class PerformanceMetric:
     """性能指标数据模型"""
@@ -91,6 +94,7 @@ class PerformanceMetric:
             "metadata": self.metadata,
         }
 
+
 @dataclass
 class TaskInfo:
     """任务信息数据模型"""
@@ -122,6 +126,7 @@ class TaskInfo:
             "max_retries": self.max_retries,
         }
 
+
 @dataclass
 class ShardInfo:
     """分片信息数据模型"""
@@ -136,6 +141,7 @@ class ShardInfo:
 
 # ==================== Redis 缓存层 ====================
 
+
 class CacheManager:
     """
     缓存管理器
@@ -594,6 +600,7 @@ class CacheManager:
 
 # ==================== 数据库分片 ====================
 
+
 class DatabaseSharding:
     """
     数据库分片管理器
@@ -895,6 +902,7 @@ class DatabaseSharding:
 
 # ==================== 异步任务队列 ====================
 
+
 class TaskQueue:
     """
     异步任务队列管理器
@@ -1278,6 +1286,7 @@ class TaskQueue:
 
 # ==================== 性能监控 ====================
 
+
 class PerformanceMonitor:
     """
     性能监控器
@@ -1596,6 +1605,7 @@ class PerformanceMonitor:
 
 # ==================== 性能装饰器 ====================
 
+
 def cached(
     cache_manager: CacheManager,
     key_prefix: str = "",
@@ -1640,6 +1650,7 @@ def cached(
 
     return decorator
 
+
 def monitored(monitor: PerformanceMonitor, metric_type: str, endpoint: str | None = None) -> None:
     """
     性能监控装饰器
@@ -1669,6 +1680,7 @@ def monitored(monitor: PerformanceMonitor, metric_type: str, endpoint: str | Non
 
 # ==================== 性能管理器 ====================
 
+
 class PerformanceManager:
     """
     性能管理器 - 统一入口
@@ -1730,9 +1742,11 @@ class PerformanceManager:
 
         return stats
 
+
 # 单例模式
 _performance_manager = None
 
+
 def get_performance_manager(
     db_path: str = "insightflow.db", redis_url: str | None = None, enable_sharding: bool = False
 ) -> PerformanceManager:

backend/plugin_manager.py

@@ -30,6 +30,7 @@ try:
 except ImportError:
     WEBDAV_AVAILABLE = False
 
+
 class PluginType(Enum):
     """插件类型"""
 
@@ -41,6 +42,7 @@ class PluginType(Enum):
     WEBDAV = "webdav"
     CUSTOM = "custom"
 
+
 class PluginStatus(Enum):
     """插件状态"""
 
@@ -49,6 +51,7 @@ class PluginStatus(Enum):
     ERROR = "error"
     PENDING = "pending"
 
+
 @dataclass
 class Plugin:
     """插件配置"""
@@ -64,6 +67,7 @@ class Plugin:
     last_used_at: str | None = None
     use_count: int = 0
 
+
 @dataclass
 class PluginConfig:
     """插件详细配置"""
@@ -76,6 +80,7 @@ class PluginConfig:
     created_at: str = ""
     updated_at: str = ""
 
+
 @dataclass
 class BotSession:
     """机器人会话"""
@@ -93,6 +98,7 @@ class BotSession:
     last_message_at: str | None = None
     message_count: int = 0
 
+
 @dataclass
 class WebhookEndpoint:
     """Webhook 端点配置（Zapier/Make集成）"""
@@ -111,6 +117,7 @@ class WebhookEndpoint:
     last_triggered_at: str | None = None
     trigger_count: int = 0
 
+
 @dataclass
 class WebDAVSync:
     """WebDAV 同步配置"""
@@ -132,6 +139,7 @@ class WebDAVSync:
     updated_at: str = ""
     sync_count: int = 0
 
+
 @dataclass
 class ChromeExtensionToken:
     """Chrome 扩展令牌"""
@@ -148,6 +156,7 @@ class ChromeExtensionToken:
     use_count: int = 0
     is_revoked: bool = False
 
+
 class PluginManager:
     """插件管理主类"""
 
@@ -387,6 +396,7 @@ class PluginManager:
         conn.commit()
         conn.close()
 
+
 class ChromeExtensionHandler:
     """Chrome 扩展处理器"""
 
@@ -590,6 +600,7 @@ class ChromeExtensionHandler:
             "content_length": len(content),
         }
 
+
 class BotHandler:
     """飞书/钉钉机器人处理器"""
 
@@ -917,6 +928,7 @@ class BotHandler:
             )
             return response.status_code == 200
 
+
 class WebhookIntegration:
     """Zapier/Make Webhook 集成"""
 
@@ -1139,6 +1151,7 @@ class WebhookIntegration:
             "message": "Test event sent successfully" if success else "Failed to send test event",
         }
 
+
 class WebDAVSyncManager:
     """WebDAV 同步管理"""
 
@@ -1399,9 +1412,11 @@ class WebDAVSyncManager:
 
             return {"success": False, "error": str(e)}
 
+
 # Singleton instance
 _plugin_manager = None
 
+
 def get_plugin_manager(db_manager=None) -> None:
     """获取 PluginManager 单例"""
     global _plugin_manager

backend/rate_limiter.py

@@ -12,6 +12,7 @@ from collections.abc import Callable
 from dataclasses import dataclass
 from functools import wraps
 
+
 @dataclass
 class RateLimitConfig:
     """限流配置"""
@@ -20,6 +21,7 @@ class RateLimitConfig:
     burst_size: int = 10  # 突发请求数
     window_size: int = 60  # 窗口大小（秒）
 
+
 @dataclass
 class RateLimitInfo:
     """限流信息"""
@@ -29,6 +31,7 @@ class RateLimitInfo:
     reset_time: int  # 重置时间戳
     retry_after: int  # 需要等待的秒数
 
+
 class SlidingWindowCounter:
     """滑动窗口计数器"""
 
@@ -60,6 +63,7 @@ class SlidingWindowCounter:
         for k in old_keys:
             self.requests.pop(k, None)
 
+
 class RateLimiter:
     """API 限流器"""
 
@@ -155,9 +159,11 @@ class RateLimiter:
             self.counters.clear()
             self.configs.clear()
 
+
 # 全局限流器实例
 _rate_limiter: RateLimiter | None = None
 
+
 def get_rate_limiter() -> RateLimiter:
     """获取限流器实例"""
     global _rate_limiter
@@ -167,6 +173,7 @@ def get_rate_limiter() -> RateLimiter:
 
 # 限流装饰器（用于函数级别限流）
 
+
 def rate_limit(requests_per_minute: int = 60, key_func: Callable | None = None) -> None:
     """
     限流装饰器
@@ -209,5 +216,6 @@ def rate_limit(requests_per_minute: int = 60, key_func: Callable | None = None)
 
     return decorator
 
+
 class RateLimitExceeded(Exception):
     """限流异常"""

backend/search_manager.py

@@ -19,6 +19,7 @@ from dataclasses import dataclass, field
 from datetime import datetime
 from enum import Enum
 
+
 class SearchOperator(Enum):
     """搜索操作符"""
 
@@ -26,6 +27,7 @@ class SearchOperator(Enum):
     OR = "OR"
     NOT = "NOT"
 
+
 # 尝试导入 sentence-transformers 用于语义搜索
 try:
     from sentence_transformers import SentenceTransformer
@@ -37,6 +39,7 @@ except ImportError:
 
 # ==================== 数据模型 ====================
 
+
 @dataclass
 class SearchResult:
     """搜索结果数据模型"""
@@ -60,6 +63,7 @@ class SearchResult:
             "metadata": self.metadata,
         }
 
+
 @dataclass
 class SemanticSearchResult:
     """语义搜索结果数据模型"""
@@ -85,6 +89,7 @@ class SemanticSearchResult:
             result["embedding_dim"] = len(self.embedding)
         return result
 
+
 @dataclass
 class EntityPath:
     """实体关系路径数据模型"""
@@ -114,6 +119,7 @@ class EntityPath:
             "path_description": self.path_description,
         }
 
+
 @dataclass
 class KnowledgeGap:
     """知识缺口数据模型"""
@@ -141,6 +147,7 @@ class KnowledgeGap:
             "metadata": self.metadata,
         }
 
+
 @dataclass
 class SearchIndex:
     """搜索索引数据模型"""
@@ -154,6 +161,7 @@ class SearchIndex:
     created_at: str
     updated_at: str
 
+
 @dataclass
 class TextEmbedding:
     """文本 Embedding 数据模型"""
@@ -168,6 +176,7 @@ class TextEmbedding:
 
 # ==================== 全文搜索 ====================
 
+
 class FullTextSearch:
     """
     全文搜索模块
@@ -778,6 +787,7 @@ class FullTextSearch:
 
 # ==================== 语义搜索 ====================
 
+
 class SemanticSearch:
     """
     语义搜索模块
@@ -1140,6 +1150,7 @@ class SemanticSearch:
 
 # ==================== 实体关系路径发现 ====================
 
+
 class EntityPathDiscovery:
     """
     实体关系路径发现模块
@@ -1611,6 +1622,7 @@ class EntityPathDiscovery:
 
 # ==================== 知识缺口识别 ====================
 
+
 class KnowledgeGapDetection:
     """
     知识缺口识别模块
@@ -2015,6 +2027,7 @@ class KnowledgeGapDetection:
 
 # ==================== 搜索管理器 ====================
 
+
 class SearchManager:
     """
     搜索管理器 - 统一入口
@@ -2187,9 +2200,11 @@ class SearchManager:
             "semantic_search_available": self.semantic_search.is_available(),
         }
 
+
 # 单例模式
 _search_manager = None
 
+
 def get_search_manager(db_path: str = "insightflow.db") -> SearchManager:
     """获取搜索管理器单例"""
     global _search_manager
@@ -2198,6 +2213,8 @@ def get_search_manager(db_path: str = "insightflow.db") -> SearchManager:
     return _search_manager
 
 # 便捷函数
+
+
 def fulltext_search(
     query: str, project_id: str | None = None, limit: int = 20
 ) -> list[SearchResult]:
@@ -2205,6 +2222,7 @@ def fulltext_search(
     manager = get_search_manager()
     return manager.fulltext_search.search(query, project_id, limit=limit)
 
+
 def semantic_search(
     query: str, project_id: str | None = None, top_k: int = 10
 ) -> list[SemanticSearchResult]:
@@ -2212,11 +2230,13 @@ def semantic_search(
     manager = get_search_manager()
     return manager.semantic_search.search(query, project_id, top_k=top_k)
 
+
 def find_entity_path(source_id: str, target_id: str, max_depth: int = 5) -> EntityPath | None:
     """查找实体路径便捷函数"""
     manager = get_search_manager()
     return manager.path_discovery.find_shortest_path(source_id, target_id, max_depth)
 
+
 def detect_knowledge_gaps(project_id: str) -> list[KnowledgeGap]:
     """知识缺口检测便捷函数"""
     manager = get_search_manager()

backend/security_manager.py

@@ -25,6 +25,7 @@ except ImportError:
     CRYPTO_AVAILABLE = False
     print("Warning: cryptography not available, encryption features disabled")
 
+
 class AuditActionType(Enum):
     """审计动作类型"""
 
@@ -47,6 +48,7 @@ class AuditActionType(Enum):
     WEBHOOK_SEND = "webhook_send"
     BOT_MESSAGE = "bot_message"
 
+
 class DataSensitivityLevel(Enum):
     """数据敏感度级别"""
 
@@ -55,6 +57,7 @@ class DataSensitivityLevel(Enum):
     CONFIDENTIAL = "confidential"  # 机密
     SECRET = "secret"  # 绝密
 
+
 class MaskingRuleType(Enum):
     """脱敏规则类型"""
 
@@ -66,6 +69,7 @@ class MaskingRuleType(Enum):
     ADDRESS = "address"  # 地址
     CUSTOM = "custom"  # 自定义
 
+
 @dataclass
 class AuditLog:
     """审计日志条目"""
@@ -87,6 +91,7 @@ class AuditLog:
     def to_dict(self) -> dict[str, Any]:
         return asdict(self)
 
+
 @dataclass
 class EncryptionConfig:
     """加密配置"""
@@ -104,6 +109,7 @@ class EncryptionConfig:
     def to_dict(self) -> dict[str, Any]:
         return asdict(self)
 
+
 @dataclass
 class MaskingRule:
     """脱敏规则"""
@@ -123,6 +129,7 @@ class MaskingRule:
     def to_dict(self) -> dict[str, Any]:
         return asdict(self)
 
+
 @dataclass
 class DataAccessPolicy:
     """数据访问策略"""
@@ -144,6 +151,7 @@ class DataAccessPolicy:
     def to_dict(self) -> dict[str, Any]:
         return asdict(self)
 
+
 @dataclass
 class AccessRequest:
     """访问请求（用于需要审批的访问）"""
@@ -161,6 +169,7 @@ class AccessRequest:
     def to_dict(self) -> dict[str, Any]:
         return asdict(self)
 
+
 class SecurityManager:
     """安全管理器"""
 
@@ -1231,9 +1240,11 @@ class SecurityManager:
             created_at=row[8],
         )
 
+
 # 全局安全管理器实例
 _security_manager = None
 
+
 def get_security_manager(db_path: str = "insightflow.db") -> SecurityManager:
     """获取安全管理器实例"""
     global _security_manager

backend/subscription_manager.py

@@ -21,6 +21,7 @@ from typing import Any
 
 logger = logging.getLogger(__name__)
 
+
 class SubscriptionStatus(StrEnum):
     """订阅状态"""
 
@@ -31,6 +32,7 @@ class SubscriptionStatus(StrEnum):
     TRIAL = "trial"  # 试用中
     PENDING = "pending"  # 待支付
 
+
 class PaymentProvider(StrEnum):
     """支付提供商"""
 
@@ -39,6 +41,7 @@ class PaymentProvider(StrEnum):
     WECHAT = "wechat"  # 微信支付
     BANK_TRANSFER = "bank_transfer"  # 银行转账
 
+
 class PaymentStatus(StrEnum):
     """支付状态"""
 
@@ -49,6 +52,7 @@ class PaymentStatus(StrEnum):
     REFUNDED = "refunded"  # 已退款
     PARTIAL_REFUNDED = "partial_refunded"  # 部分退款
 
+
 class InvoiceStatus(StrEnum):
     """发票状态"""
 
@@ -59,6 +63,7 @@ class InvoiceStatus(StrEnum):
     VOID = "void"  # 作废
     CREDIT_NOTE = "credit_note"  # 贷项通知单
 
+
 class RefundStatus(StrEnum):
     """退款状态"""
 
@@ -68,6 +73,7 @@ class RefundStatus(StrEnum):
     COMPLETED = "completed"  # 已完成
     FAILED = "failed"  # 失败
 
+
 @dataclass
 class SubscriptionPlan:
     """订阅计划数据类"""
@@ -86,6 +92,7 @@ class SubscriptionPlan:
     updated_at: datetime
     metadata: dict[str, Any]
 
+
 @dataclass
 class Subscription:
     """订阅数据类"""
@@ -106,6 +113,7 @@ class Subscription:
     updated_at: datetime
     metadata: dict[str, Any]
 
+
 @dataclass
 class UsageRecord:
     """用量记录数据类"""
@@ -120,6 +128,7 @@ class UsageRecord:
     description: str | None
     metadata: dict[str, Any]
 
+
 @dataclass
 class Payment:
     """支付记录数据类"""
@@ -141,6 +150,7 @@ class Payment:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class Invoice:
     """发票数据类"""
@@ -164,6 +174,7 @@ class Invoice:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class Refund:
     """退款数据类"""
@@ -186,6 +197,7 @@ class Refund:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class BillingHistory:
     """账单历史数据类"""
@@ -201,6 +213,7 @@ class BillingHistory:
     created_at: datetime
     metadata: dict[str, Any]
 
+
 class SubscriptionManager:
     """订阅与计费管理器"""
 
@@ -2187,9 +2200,11 @@ class SubscriptionManager:
             metadata=json.loads(row["metadata"] or "{}"),
         )
 
+
 # 全局订阅管理器实例
 subscription_manager = None
 
+
 def get_subscription_manager(db_path: str = "insightflow.db") -> SubscriptionManager:
     """获取订阅管理器实例（单例模式）"""
     global subscription_manager

backend/tenant_manager.py

@@ -23,6 +23,7 @@ from typing import Any
 
 logger = logging.getLogger(__name__)
 
+
 class TenantLimits:
     """租户资源限制常量"""
 
@@ -42,6 +43,7 @@ class TenantLimits:
 
     UNLIMITED = -1
 
+
 class TenantStatus(StrEnum):
     """租户状态"""
 
@@ -51,6 +53,7 @@ class TenantStatus(StrEnum):
     EXPIRED = "expired"  # 过期
     PENDING = "pending"  # 待激活
 
+
 class TenantTier(StrEnum):
     """租户订阅层级"""
 
@@ -58,6 +61,7 @@ class TenantTier(StrEnum):
     PRO = "pro"  # 专业版
     ENTERPRISE = "enterprise"  # 企业版
 
+
 class TenantRole(StrEnum):
     """租户角色"""
 
@@ -66,6 +70,7 @@ class TenantRole(StrEnum):
     MEMBER = "member"  # 成员
     VIEWER = "viewer"  # 查看者
 
+
 class DomainStatus(StrEnum):
     """域名状态"""
 
@@ -74,6 +79,7 @@ class DomainStatus(StrEnum):
     FAILED = "failed"  # 验证失败
     EXPIRED = "expired"  # 已过期
 
+
 @dataclass
 class Tenant:
     """租户数据类"""
@@ -92,6 +98,7 @@ class Tenant:
     resource_limits: dict[str, Any]  # 资源限制
     metadata: dict[str, Any]  # 元数据
 
+
 @dataclass
 class TenantDomain:
     """租户域名数据类"""
@@ -109,6 +116,7 @@ class TenantDomain:
     ssl_enabled: bool  # SSL 是否启用
     ssl_expires_at: datetime | None
 
+
 @dataclass
 class TenantBranding:
     """租户品牌配置数据类"""
@@ -126,6 +134,7 @@ class TenantBranding:
     created_at: datetime
     updated_at: datetime
 
+
 @dataclass
 class TenantMember:
     """租户成员数据类"""
@@ -142,6 +151,7 @@ class TenantMember:
     last_active_at: datetime | None
     status: str  # active/pending/suspended
 
+
 @dataclass
 class TenantPermission:
     """租户权限定义数据类"""
@@ -156,6 +166,7 @@ class TenantPermission:
     conditions: dict | None  # 条件限制
     created_at: datetime
 
+
 class TenantManager:
     """租户管理器 - 多租户 SaaS 架构核心"""
 
@@ -1601,6 +1612,7 @@ class TenantManager:
 
 # ==================== 租户上下文管理 ====================
 
+
 class TenantContext:
     """租户上下文管理器 - 用于请求级别的租户隔离"""
 
@@ -1633,9 +1645,11 @@ class TenantContext:
         cls._current_tenant_id = None
         cls._current_user_id = None
 
+
 # 全局租户管理器实例
 tenant_manager = None
 
+
 def get_tenant_manager(db_path: str = "insightflow.db") -> TenantManager:
     """获取租户管理器实例（单例模式）"""
     global tenant_manager

backend/test_phase7_task6_8.py

@@ -20,6 +20,7 @@ from search_manager import (
 # 添加 backend 到路径
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
+
 def test_fulltext_search():
     """测试全文搜索"""
     print("\n" + "=" * 60)
@@ -62,6 +63,7 @@ def test_fulltext_search():
     print("\n✓ 全文搜索测试完成")
     return True
 
+
 def test_semantic_search():
     """测试语义搜索"""
     print("\n" + "=" * 60)
@@ -97,6 +99,7 @@ def test_semantic_search():
     print("\n✓ 语义搜索测试完成")
     return True
 
+
 def test_entity_path_discovery():
     """测试实体路径发现"""
     print("\n" + "=" * 60)
@@ -115,6 +118,7 @@ def test_entity_path_discovery():
     print("\n✓ 实体路径发现测试完成")
     return True
 
+
 def test_knowledge_gap_detection():
     """测试知识缺口识别"""
     print("\n" + "=" * 60)
@@ -133,6 +137,7 @@ def test_knowledge_gap_detection():
     print("\n✓ 知识缺口识别测试完成")
     return True
 
+
 def test_cache_manager():
     """测试缓存管理器"""
     print("\n" + "=" * 60)
@@ -180,6 +185,7 @@ def test_cache_manager():
     print("\n✓ 缓存管理器测试完成")
     return True
 
+
 def test_task_queue():
     """测试任务队列"""
     print("\n" + "=" * 60)
@@ -220,6 +226,7 @@ def test_task_queue():
     print("\n✓ 任务队列测试完成")
     return True
 
+
 def test_performance_monitor():
     """测试性能监控"""
     print("\n" + "=" * 60)
@@ -266,6 +273,7 @@ def test_performance_monitor():
     print("\n✓ 性能监控测试完成")
     return True
 
+
 def test_search_manager():
     """测试搜索管理器"""
     print("\n" + "=" * 60)
@@ -286,6 +294,7 @@ def test_search_manager():
     print("\n✓ 搜索管理器测试完成")
     return True
 
+
 def test_performance_manager():
     """测试性能管理器"""
     print("\n" + "=" * 60)
@@ -310,6 +319,7 @@ def test_performance_manager():
     print("\n✓ 性能管理器测试完成")
     return True
 
+
 def run_all_tests():
     """运行所有测试"""
     print("\n" + "=" * 60)
@@ -396,6 +406,7 @@ def run_all_tests():
 
     return passed == total
 
+
 if __name__ == "__main__":
     success = run_all_tests()
     sys.exit(0 if success else 1)

backend/test_phase8_task1.py

@@ -17,6 +17,7 @@ from tenant_manager import get_tenant_manager
 
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
+
 def test_tenant_management():
     """测试租户管理功能"""
     print("=" * 60)
@@ -64,6 +65,7 @@ def test_tenant_management():
 
     return tenant.id
 
+
 def test_domain_management(tenant_id: str):
     """测试域名管理功能"""
     print("\n" + "=" * 60)
@@ -109,6 +111,7 @@ def test_domain_management(tenant_id: str):
 
     return domain.id
 
+
 def test_branding_management(tenant_id: str):
     """测试品牌白标功能"""
     print("\n" + "=" * 60)
@@ -148,6 +151,7 @@ def test_branding_management(tenant_id: str):
 
     return branding.id
 
+
 def test_member_management(tenant_id: str):
     """测试成员管理功能"""
     print("\n" + "=" * 60)
@@ -202,6 +206,7 @@ def test_member_management(tenant_id: str):
 
     return member1.id, member2.id
 
+
 def test_usage_tracking(tenant_id: str):
     """测试资源使用统计功能"""
     print("\n" + "=" * 60)
@@ -243,6 +248,7 @@ def test_usage_tracking(tenant_id: str):
 
     return stats
 
+
 def cleanup(tenant_id: str, domain_id: str, member_ids: list):
     """清理测试数据"""
     print("\n" + "=" * 60)
@@ -266,6 +272,7 @@ def cleanup(tenant_id: str, domain_id: str, member_ids: list):
     manager.delete_tenant(tenant_id)
     print(f"✅ 租户已删除: {tenant_id}")
 
+
 def main():
     """主测试函数"""
     print("\n" + "=" * 60)
@@ -303,5 +310,6 @@ def main():
             except Exception as e:
                 print(f"⚠️ 清理失败: {e}")
 
+
 if __name__ == "__main__":
     main()

backend/test_phase8_task2.py

@@ -11,6 +11,7 @@ from subscription_manager import PaymentProvider, SubscriptionManager
 
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
+
 def test_subscription_manager():
     """测试订阅管理器"""
     print("=" * 60)
@@ -223,6 +224,7 @@ def test_subscription_manager():
             os.remove(db_path)
             print(f"\n清理临时数据库: {db_path}")
 
+
 if __name__ == "__main__":
     try:
         test_subscription_manager()

backend/test_phase8_task4.py

@@ -13,6 +13,7 @@ from ai_manager import ModelType, PredictionType, get_ai_manager
 # Add backend directory to path
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
+
 def test_custom_model():
     """测试自定义模型功能"""
     print("\n=== 测试自定义模型 ===")
@@ -87,6 +88,7 @@ def test_custom_model():
 
     return model.id
 
+
 async def test_train_and_predict(model_id: str):
     """测试训练和预测"""
     print("\n=== 测试模型训练和预测 ===")
@@ -113,6 +115,7 @@ async def test_train_and_predict(model_id: str):
     except Exception as e:
         print(f"   预测失败: {e}")
 
+
 def test_prediction_models():
     """测试预测模型"""
     print("\n=== 测试预测模型 ===")
@@ -154,6 +157,7 @@ def test_prediction_models():
 
     return trend_model.id, anomaly_model.id
 
+
 async def test_predictions(trend_model_id: str, anomaly_model_id: str):
     """测试预测功能"""
     print("\n=== 测试预测功能 ===")
@@ -188,6 +192,7 @@ async def test_predictions(trend_model_id: str, anomaly_model_id: str):
     )
     print(f"   检测结果: {anomaly_result.prediction_data}")
 
+
 def test_kg_rag():
     """测试知识图谱 RAG"""
     print("\n=== 测试知识图谱 RAG ===")
@@ -217,6 +222,7 @@ def test_kg_rag():
 
     return rag.id
 
+
 async def test_kg_rag_query(rag_id: str):
     """测试 RAG 查询"""
     print("\n=== 测试知识图谱 RAG 查询 ===")
@@ -287,6 +293,7 @@ async def test_kg_rag_query(rag_id: str):
     except Exception as e:
         print(f"   查询失败: {e}")
 
+
 async def test_smart_summary():
     """测试智能摘要"""
     print("\n=== 测试智能摘要 ===")
@@ -334,6 +341,7 @@ async def test_smart_summary():
         except Exception as e:
             print(f"   生成失败: {e}")
 
+
 async def main():
     """主测试函数"""
     print("=" * 60)

backend/test_phase8_task5.py

@@ -32,6 +32,7 @@ backend_dir = os.path.dirname(os.path.abspath(__file__))
 if backend_dir not in sys.path:
     sys.path.insert(0, backend_dir)
 
+
 class TestGrowthManager:
     """测试 Growth Manager 功能"""
 
@@ -734,6 +735,7 @@ class TestGrowthManager:
         print("✨ 测试完成!")
         print("=" * 60)
 
+
 async def main():
     """主函数"""
     tester = TestGrowthManager()

backend/test_phase8_task6.py

@@ -29,6 +29,7 @@ backend_dir = os.path.dirname(os.path.abspath(__file__))
 if backend_dir not in sys.path:
     sys.path.insert(0, backend_dir)
 
+
 class TestDeveloperEcosystem:
     """开发者生态系统测试类"""
 
@@ -687,10 +688,12 @@ console.log('Upload complete:', result.id);
 
         print("=" * 60)
 
+
 def main():
     """主函数"""
     test = TestDeveloperEcosystem()
     test.run_all_tests()
 
+
 if __name__ == "__main__":
     main()

backend/test_phase8_task8.py

@@ -30,6 +30,7 @@ backend_dir = os.path.dirname(os.path.abspath(__file__))
 if backend_dir not in sys.path:
     sys.path.insert(0, backend_dir)
 
+
 class TestOpsManager:
     """测试运维与监控管理器"""
 
@@ -721,10 +722,12 @@ class TestOpsManager:
 
         print("=" * 60)
 
+
 def main():
     """主函数"""
     test = TestOpsManager()
     test.run_all_tests()
 
+
 if __name__ == "__main__":
     main()

backend/tingwu_client.py

@@ -8,6 +8,7 @@ import time
 from datetime import datetime
 from typing import Any
 
+
 class TingwuClient:
     def __init__(self):
         self.access_key = os.getenv("ALI_ACCESS_KEY", "")

backend/workflow_manager.py

@@ -38,6 +38,7 @@ DEFAULT_RETRY_DELAY = 5  # 默认重试延迟(秒)
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
+
 class WorkflowStatus(Enum):
     """工作流状态"""
 
@@ -46,6 +47,7 @@ class WorkflowStatus(Enum):
     ERROR = "error"
     COMPLETED = "completed"
 
+
 class WorkflowType(Enum):
     """工作流类型"""
 
@@ -55,6 +57,7 @@ class WorkflowType(Enum):
     SCHEDULED_REPORT = "scheduled_report"  # 定时报告
     CUSTOM = "custom"  # 自定义工作流
 
+
 class WebhookType(Enum):
     """Webhook 类型"""
 
@@ -63,6 +66,7 @@ class WebhookType(Enum):
     SLACK = "slack"
     CUSTOM = "custom"
 
+
 class TaskStatus(Enum):
     """任务执行状态"""
 
@@ -72,6 +76,7 @@ class TaskStatus(Enum):
     FAILED = "failed"
     CANCELLED = "cancelled"
 
+
 @dataclass
 class WorkflowTask:
     """工作流任务定义"""
@@ -95,6 +100,7 @@ class WorkflowTask:
         if not self.updated_at:
             self.updated_at = self.created_at
 
+
 @dataclass
 class WebhookConfig:
     """Webhook 配置"""
@@ -119,6 +125,7 @@ class WebhookConfig:
         if not self.updated_at:
             self.updated_at = self.created_at
 
+
 @dataclass
 class Workflow:
     """工作流定义"""
@@ -148,6 +155,7 @@ class Workflow:
         if not self.updated_at:
             self.updated_at = self.created_at
 
+
 @dataclass
 class WorkflowLog:
     """工作流执行日志"""
@@ -168,6 +176,7 @@ class WorkflowLog:
         if not self.created_at:
             self.created_at = datetime.now().isoformat()
 
+
 class WebhookNotifier:
     """Webhook 通知器 - 支持飞书、钉钉、Slack"""
 
@@ -323,6 +332,7 @@ class WebhookNotifier:
         """关闭 HTTP 客户端"""
         await self.http_client.aclose()
 
+
 class WorkflowManager:
     """工作流管理器 - 核心管理类"""
 
@@ -1493,9 +1503,11 @@ class WorkflowManager:
             ]
         }
 
+
 # Singleton instance
 _workflow_manager = None
 
+
 def get_workflow_manager(db_manager=None) -> WorkflowManager:
     """获取 WorkflowManager 单例"""
     global _workflow_manager