init: 初始化 dpb 桃育种系统代码库

前后端 + 后端 FastAPI 全量源码、部署脚本与文档。
2026-08-06 00:17:49 +08:00
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+"""超期预警 数据模型（批3：每日扫描 job 落库，open→resolved 生命周期）"""
+
+from sqlalchemy import Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.base_model import MappedBase, ModelMixin, UserMixin
+
+
+class AlertModel(ModelMixin, UserMixin, MappedBase):
+    """超期预警。
+
+    alert_type 三类：tree_undecided 单株多年未决策 / pollen_expiry 花粉批次过期 /
+    seed_lot_expiry 种子批超期。生成侧为每日定时 job，直接 db.add（不经 CRUDBase，
+    避免自审计噪声）；created_id 记录处理人，job 自动生成时为空。
+    """
+
+    __tablename__ = "bre_alert"
+
+    alert_type: Mapped[str] = mapped_column(
+        String(32), index=True, nullable=False,
+        comment="预警类型(tree_undecided/pollen_expiry/seed_lot_expiry)",
+    )
+    entity_type: Mapped[str] = mapped_column(String(64), nullable=False, comment="实体类型(业务表名)")
+    entity_id: Mapped[int] = mapped_column(Integer, index=True, nullable=False, comment="实体ID")
+    message: Mapped[str | None] = mapped_column(Text, nullable=True, comment="预警内容", default=None)
+    status: Mapped[str] = mapped_column(
+        String(16), nullable=False, default="open", comment="状态(open未处理/resolved已处理)"
+    )