From 9e7cfe7737f4fd5e17f77de43b306acd573d2ff8 Mon Sep 17 00:00:00 2001
From: huangzhuang_3rd <huangzhuang_3rd@tphai.com>
Date: Thu, 13 Aug 2026 00:46:09 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20V1=20-=20DAG=E7=BC=96=E6=8E=92/?=
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---
 backend/app/models/alert.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 backend/app/models/alert.py

diff --git a/backend/app/models/alert.py b/backend/app/models/alert.py
new file mode 100644
index 0000000..a67582a
--- /dev/null
+++ b/backend/app/models/alert.py
@@ -0,0 +1,16 @@
+"""Alert model - budget warnings, task failures, system events."""
+from sqlalchemy import Column, String, Integer, Text, Boolean, ForeignKey
+from app.models.base import Base, TimestampMixin, TenantMixin
+
+
+class Alert(Base, TimestampMixin, TenantMixin):
+    """System alerts: budget warnings, task failures, worker offline."""
+    __tablename__ = "alerts"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    alert_type = Column(String(50), nullable=False)  # budget_warning, budget_exceeded, task_failed, worker_offline
+    severity = Column(String(20), nullable=False, default="warning")  # info, warning, critical
+    message = Column(Text, nullable=False)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=True)
+    worker_id = Column(Integer, ForeignKey("ai_workers.id"), nullable=True)
+    is_read = Column(Boolean, default=False, nullable=False)