加上登录和角色权限，并用 Vue 控制台区分用户与管理员。

Co-authored-by: Cursor <cursoragent@cursor.com>

app/services/registry.py

@@ -12,22 +12,36 @@ from sqlalchemy.orm import Session
 from app.clock import add_months, utcnow
 from app.config import settings
 from app.errors import AppError
-from app.models import ComputeNode, NodeStatus, User
+from app.models import ComputeNode, NodeStatus, User, UserRole
 from app.money import money
 from app.services.common import get_user_by_wallet
 
 
-def register_user(session: Session, wallet_address: str) -> User:
+def register_user(
+    session: Session,
+    wallet_address: str,
+    username: str | None = None,
+    password_hash: str | None = None,
+    role: UserRole = UserRole.USER,
+) -> User:
     wallet = wallet_address.strip()
     if session.scalar(select(User).where(User.wallet_address == wallet)) is not None:
         raise AppError("钱包地址已注册", 409)
-    user = User(wallet_address=wallet, created_at=utcnow())
+    if username and session.scalar(select(User).where(User.username == username)) is not None:
+        raise AppError("用户名已占用", 409)
+    user = User(
+        wallet_address=wallet,
+        username=username,
+        password_hash=password_hash,
+        role=role,
+        created_at=utcnow(),
+    )
     session.add(user)
     try:
         session.flush()
     except IntegrityError as exc:
         session.rollback()
-        raise AppError("钱包地址已注册", 409) from exc
+        raise AppError("钱包地址或用户名已注册", 409) from exc
     return user