```

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/feishu/service.py

@@ -0,0 +1,84 @@
+from typing import Any
+
+from fastapi import HTTPException, status
+from sqlalchemy.orm import Session
+
+from app.core.config import get_settings
+from app.modules.audit.schemas import AuditLogCreate
+from app.modules.audit.service import AuditService
+from app.modules.feishu.client import FeishuClient
+
+
+class FeishuService:
+    """Send Feishu messages and record audit entries for outbound actions."""
+
+    def __init__(self, db: Session):
+        self.db = db
+        self.audit = AuditService(db)
+        self.client = FeishuClient()
+
+    def verify_event(self, payload: dict[str, Any]) -> None:
+        settings = get_settings()
+        expected = settings.feishu_verification_token
+        token = payload.get("token")
+        if expected and token and token != expected:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Invalid Feishu token",
+            )
+
+    def send_text(
+        self,
+        text: str,
+        receive_id: str | None = None,
+        receive_id_type: str = "chat_id",
+        actor: str = "system",
+    ) -> dict[str, Any]:
+        result = self.client.send_text(text, receive_id, receive_id_type)
+        self.audit.log(
+            AuditLogCreate(
+                actor=actor,
+                source="feishu",
+                action="send_text",
+                request_payload={
+                    "receive_id": receive_id,
+                    "receive_id_type": receive_id_type,
+                    "text": text,
+                },
+                response_payload=result,
+            )
+        )
+        return result
+
+    def send_card(
+        self,
+        card: dict[str, Any],
+        receive_id: str | None = None,
+        receive_id_type: str = "chat_id",
+        actor: str = "system",
+    ) -> dict[str, Any]:
+        result = self.client.send_card(card, receive_id, receive_id_type)
+        self.audit.log(
+            AuditLogCreate(
+                actor=actor,
+                source="feishu",
+                action="send_card",
+                request_payload={
+                    "receive_id": receive_id,
+                    "receive_id_type": receive_id_type,
+                    "card": card,
+                },
+                response_payload=result,
+            )
+        )
+        return result
+
+    @staticmethod
+    def build_basic_card(title: str, lines: list[str]) -> dict[str, Any]:
+        return {
+            "config": {"wide_screen_mode": True},
+            "header": {"title": {"tag": "plain_text", "content": title}},
+            "elements": [
+                {"tag": "div", "text": {"tag": "lark_md", "content": "\n".join(lines) or "暂无数据"}}
+            ],
+        }