```

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/legacy_mysql/routes.py

@@ -0,0 +1,50 @@
+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.legacy_mysql.schemas import (
+    LegacyProjectSyncRequest,
+    LegacyProjectSyncResult,
+    QueryResult,
+    ReadonlyQueryRequest,
+)
+from app.modules.legacy_mysql.service import LegacyMySQLService
+
+router = APIRouter(dependencies=[Depends(require_api_key)])
+
+
+@router.get("/health")
+def mysql_health(db: Session = Depends(get_db)) -> dict[str, str]:
+    return LegacyMySQLService(db).health()
+
+
+@router.get("/tables")
+def list_tables(db: Session = Depends(get_db)) -> dict[str, list[str]]:
+    return {"tables": LegacyMySQLService(db).list_tables()}
+
+
+@router.get("/tables/{table_name}")
+def describe_table(table_name: str, db: Session = Depends(get_db)) -> dict:
+    return {"table": table_name, "columns": LegacyMySQLService(db).describe_table(table_name)}
+
+
+@router.post("/query", response_model=QueryResult)
+def readonly_query(payload: ReadonlyQueryRequest, db: Session = Depends(get_db)) -> dict:
+    return LegacyMySQLService(db).execute_readonly(payload.sql, payload.params, payload.limit)
+
+
+@router.get("/projects", response_model=QueryResult)
+def default_project_query(limit: int = 100, db: Session = Depends(get_db)) -> dict:
+    return LegacyMySQLService(db).fetch_default_projects(limit=limit)
+
+
+@router.post("/projects/sync", response_model=LegacyProjectSyncResult)
+def sync_projects(payload: LegacyProjectSyncRequest, db: Session = Depends(get_db)) -> dict:
+    return LegacyMySQLService(db).sync_projects(
+        source_query=payload.source_query,
+        field_map=payload.field_map,
+        limit=payload.limit,
+        dry_run=payload.dry_run,
+        actor=payload.actor,
+    )