feat: 开发采集、采集箱和商品编辑功能

server/models/user.py

@@ -0,0 +1,19 @@
+"""用户表（预留多用户；MVP 用 APP_TOKEN 时为空）。"""
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+
+from sqlalchemy import DateTime, String, Uuid, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from db import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    username: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
+    password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())