```

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/business/registry.py

@@ -0,0 +1,26 @@
+from sqlalchemy.orm import DeclarativeMeta
+
+from app.modules.business import models
+
+
+DOMAIN_MODELS: dict[str, type[DeclarativeMeta]] = {
+    "projects": models.Project,
+    "tasks": models.WorkTask,
+    "procurements": models.Procurement,
+    "expenses": models.Expense,
+    "fund-accounts": models.FundAccount,
+    "policies": models.Policy,
+    "standards": models.Standard,
+    "performance-metrics": models.PerformanceMetric,
+    "suppliers": models.Supplier,
+}
+
+LOW_RISK_DOMAINS = {"projects", "tasks", "procurements", "expenses", "policies", "standards"}
+HIGH_RISK_DOMAINS = {"fund-accounts", "performance-metrics"}
+
+
+def get_domain_model(domain: str) -> type[DeclarativeMeta]:
+    if domain not in DOMAIN_MODELS:
+        supported = ", ".join(sorted(DOMAIN_MODELS))
+        raise KeyError(f"Unsupported domain '{domain}'. Supported: {supported}")
+    return DOMAIN_MODELS[domain]