```

feat: 添加公司AI管理平台基础架构

添加了完整的FastAPI后端项目结构，包括：
- 环境配置文件(.env.example)和项目说明文档(README.md、AGENTS.md)
- Dockerfile用于容器化部署
- 核心基础设施：配置管理、数据库连接、调度器、安全认证
- 模块化设计：AI代理、审批流程、审计日志、业务台账等功能模块
- 支持多数据库连接(主库和遗留系统只读库)
- AI适配器支持OpenClaw、Hermes、OpenAI兼容接口
- 飞书集成、报表生成、风险监控等企业级功能
- 完整的依赖管理和测试指南
```

app/modules/risk/__init__.py

@@ -0,0 +1 @@
+"""Risk detection module."""

app/modules/risk/routes.py

@@ -0,0 +1,33 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.core.database import get_db
+from app.core.security import require_api_key
+from app.modules.risk.service import RiskService
+
+router = APIRouter(dependencies=[Depends(require_api_key)])
+
+
+@router.get("/summary")
+def risk_summary(db: Session = Depends(get_db)) -> dict:
+    return RiskService(db).summary()
+
+
+@router.get("/overdue-tasks")
+def overdue_tasks(db: Session = Depends(get_db)) -> dict:
+    return {"items": RiskService(db).overdue_tasks()}
+
+
+@router.get("/delayed-projects")
+def delayed_projects(db: Session = Depends(get_db)) -> dict:
+    return {"items": RiskService(db).delayed_projects()}
+
+
+@router.get("/over-budget-projects")
+def over_budget_projects(db: Session = Depends(get_db)) -> dict:
+    return {"items": RiskService(db).over_budget_projects()}
+
+
+@router.get("/funds")
+def fund_risks(db: Session = Depends(get_db)) -> dict:
+    return {"items": RiskService(db).fund_risks()}

app/modules/risk/service.py

@@ -0,0 +1,69 @@
+from datetime import date
+from decimal import Decimal
+from typing import Any
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.modules.business.models import FundAccount, Project, WorkTask
+from app.modules.business.service import serialize_model
+
+
+class RiskService:
+    """Evaluate rule-based business risk signals from internal ledgers."""
+
+    def __init__(self, db: Session):
+        self.db = db
+
+    def overdue_tasks(self) -> list[dict[str, Any]]:
+        stmt = select(WorkTask).where(
+            WorkTask.due_date.is_not(None),
+            WorkTask.due_date < date.today(),
+            WorkTask.status.notin_(["完成", "已完成", "关闭"]),
+        )
+        return [serialize_model(item) for item in self.db.execute(stmt).scalars()]
+
+    def delayed_projects(self) -> list[dict[str, Any]]:
+        stmt = select(Project).where(
+            Project.due_date.is_not(None),
+            Project.due_date < date.today(),
+            Project.status.notin_(["验收", "已完成", "复盘", "归档", "关闭"]),
+        )
+        return [serialize_model(item) for item in self.db.execute(stmt).scalars()]
+
+    def over_budget_projects(self) -> list[dict[str, Any]]:
+        stmt = select(Project).where(
+            Project.budget_amount > 0,
+            Project.actual_amount > Project.budget_amount,
+        )
+        return [serialize_model(item) for item in self.db.execute(stmt).scalars()]
+
+    def fund_risks(self) -> list[dict[str, Any]]:
+        stmt = select(FundAccount).where(FundAccount.current_balance < FundAccount.safety_line)
+        return [serialize_model(item) for item in self.db.execute(stmt).scalars()]
+
+    def summary(self) -> dict[str, Any]:
+        overdue_tasks = self.overdue_tasks()
+        delayed_projects = self.delayed_projects()
+        over_budget_projects = self.over_budget_projects()
+        fund_risks = self.fund_risks()
+        risk_score = (
+            len(overdue_tasks) * 1
+            + len(delayed_projects) * 3
+            + len(over_budget_projects) * 4
+            + len(fund_risks) * 5
+        )
+        if risk_score >= 15:
+            level = "high"
+        elif risk_score >= 5:
+            level = "medium"
+        else:
+            level = "low"
+        return {
+            "risk_level": level,
+            "risk_score": Decimal(risk_score),
+            "overdue_tasks": overdue_tasks,
+            "delayed_projects": delayed_projects,
+            "over_budget_projects": over_budget_projects,
+            "fund_risks": fund_risks,
+        }