```

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/core/scheduler.py

@@ -0,0 +1,82 @@
+from fastapi import FastAPI
+
+from app.core.config import get_settings
+
+
+def attach_scheduler(app: FastAPI) -> None:
+    """Attach optional APScheduler jobs to the FastAPI application."""
+
+    settings = get_settings()
+    if not settings.scheduler_enabled:
+        return
+
+    from apscheduler.schedulers.background import BackgroundScheduler
+
+    from app.core.database import SessionLocal
+    from app.modules.reports.service import ReportService
+
+    scheduler = BackgroundScheduler(timezone="Asia/Shanghai")
+
+    def run_daily_brief() -> None:
+        db = SessionLocal()
+        try:
+            report = ReportService(db).daily_brief()
+            app.state.last_daily_brief = report
+            if (
+                settings.feishu_app_id
+                and settings.feishu_app_secret
+                and settings.feishu_default_chat_id
+            ):
+                ReportService(db).push_report(
+                    report,
+                    receive_id=settings.feishu_default_chat_id,
+                    receive_id_type="chat_id",
+                    actor="scheduler",
+                )
+        finally:
+            db.close()
+
+    def run_project_weekly() -> None:
+        db = SessionLocal()
+        try:
+            report = ReportService(db).project_weekly()
+            app.state.last_project_weekly = report
+            if (
+                settings.feishu_app_id
+                and settings.feishu_app_secret
+                and settings.feishu_default_chat_id
+            ):
+                ReportService(db).push_report(
+                    report,
+                    receive_id=settings.feishu_default_chat_id,
+                    receive_id_type="chat_id",
+                    actor="scheduler",
+                )
+        finally:
+            db.close()
+
+    scheduler.add_job(
+        run_daily_brief,
+        trigger="cron",
+        hour=settings.daily_brief_cron_hour,
+        minute=settings.daily_brief_cron_minute,
+        id="daily_brief_push",
+        replace_existing=True,
+    )
+    scheduler.add_job(
+        run_project_weekly,
+        trigger="cron",
+        day_of_week=settings.weekly_project_report_day_of_week,
+        hour=settings.weekly_project_report_cron_hour,
+        minute=settings.weekly_project_report_cron_minute,
+        id="project_weekly_push",
+        replace_existing=True,
+    )
+
+    @app.on_event("startup")
+    def start_scheduler() -> None:
+        scheduler.start()
+
+    @app.on_event("shutdown")
+    def stop_scheduler() -> None:
+        scheduler.shutdown(wait=False)