init: 管理会计OS初始代码

包含前后端完整代码：
- 前端：Vue3+Vite+ElementPlus
- 后端：FastAPI+SQLAlchemy
- 模块：驾驶舱/KPI/战略地图/预警/预算/成本/预测/改善行动
- 当前版本：v1.0.0

backend/app/api/notifications.py

@@ -0,0 +1,113 @@
+"""通知渠道配置 API"""
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from app.database import get_db
+from app.models import NotificationChannel, NotificationLog
+from app.auth_middleware import require_role
+from datetime import datetime
+
+router = APIRouter(prefix="/api/cma/notifications", tags=["通知配置"])
+
+
+def ch_to_dict(c):
+    return {
+        "id": c.id,
+        "name": c.name,
+        "channel_type": c.channel_type,
+        "config": c.config,
+        "enabled": c.enabled,
+        "created_at": c.created_at.isoformat() if c.created_at else None,
+    }
+
+
+@router.get("/channels")
+def list_channels(db: Session = Depends(get_db)):
+    """获取通知渠道列表"""
+    channels = db.query(NotificationChannel).order_by(NotificationChannel.id).all()
+    return {"data": [ch_to_dict(c) for c in channels]}
+
+
+@router.post("/channels")
+def create_channel(data: dict, db: Session = Depends(get_db)):
+    """创建通知渠道"""
+    ch = NotificationChannel(
+        name=data["name"],
+        channel_type=data["channel_type"],
+        config=data.get("config", {}),
+        enabled=data.get("enabled", True),
+    )
+    db.add(ch)
+    db.commit()
+    db.refresh(ch)
+    return ch_to_dict(ch)
+
+
+@router.put("/channels/{ch_id}")
+def update_channel(ch_id: int, data: dict, db: Session = Depends(get_db)):
+    """更新通知渠道"""
+    ch = db.query(NotificationChannel).filter(NotificationChannel.id == ch_id).first()
+    if not ch:
+        raise HTTPException(404, "渠道不存在")
+    for k, v in data.items():
+        if hasattr(ch, k) and k not in ("id", "created_at"):
+            setattr(ch, k, v)
+    db.commit()
+    db.refresh(ch)
+    return ch_to_dict(ch)
+
+
+@router.delete("/channels/{ch_id}")
+def delete_channel(ch_id: int, db: Session = Depends(get_db)):
+    """删除通知渠道"""
+    ch = db.query(NotificationChannel).filter(NotificationChannel.id == ch_id).first()
+    if not ch:
+        raise HTTPException(404, "渠道不存在")
+    db.delete(ch)
+    db.commit()
+    return {"message": "已删除"}
+
+
+@router.post("/channels/{ch_id}/test")
+def test_channel(ch_id: int, db: Session = Depends(get_db)):
+    """测试推送"""
+    from app.utils.notifier import push_alert
+    ch = db.query(NotificationChannel).filter(NotificationChannel.id == ch_id).first()
+    if not ch:
+        raise HTTPException(404, "渠道不存在")
+    config = ch.config or {}
+    test_alert = {
+        "alert_level": "yellow",
+        "alert_message": "【测试通知】这是一条管理会计OS的测试预警",
+        "kpi_name": "销售总额",
+        "period": datetime.now().strftime("%Y-%m"),
+        "actual_value": "800,000",
+        "target_value": "1,000,000",
+    }
+    results = push_alert(test_alert, [{
+        "name": ch.name, "channel_type": ch.channel_type,
+        "config": config, "enabled": True
+    }])
+    return {"results": results}
+
+
+@router.get("/logs")
+def list_logs(page: int = 1, db: Session = Depends(get_db)):
+    """通知历史"""
+    total = db.query(NotificationLog).count()
+    logs = db.query(NotificationLog).order_by(
+        NotificationLog.created_at.desc()
+    ).offset((page - 1) * 20).limit(20).all()
+    return {
+        "total": total,
+        "data": [{
+            "id": l.id,
+            "alert_id": l.alert_id,
+            "channel": l.channel,
+            "recipient": l.recipient,
+            "title": l.title,
+            "status": l.status,
+            "error_msg": l.error_msg,
+            "sent_at": l.sent_at.isoformat() if l.sent_at else None,
+            "created_at": l.created_at.isoformat() if l.created_at else None,
+        } for l in logs]
+    }