feat: 全屏个股详情预览 + Tailwind 改版 + 账号鉴权

backend/app/cli/__init__.py

@@ -0,0 +1 @@
+"""服务器侧管理命令。"""

backend/app/cli/create_user.py

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+"""创建唯一后台用户或重置其密码，不提供 HTTP 注册入口。"""
+from __future__ import annotations
+
+import argparse
+import asyncio
+import getpass
+from datetime import datetime, timezone
+
+from sqlalchemy import delete, select
+
+from app.auth import hash_password
+from app.config import settings
+from app.db import async_session, engine
+from app.models import AuthSession, User
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="创建后台用户或重置密码")
+    parser.add_argument("--username", default="admin", help="登录用户名，默认 admin")
+    return parser.parse_args()
+
+
+async def upsert_user(username: str, password: str) -> str:
+    now = datetime.now(timezone.utc)
+    async with async_session() as db:
+        user = (await db.execute(select(User).where(User.username == username))).scalar_one_or_none()
+        if user is None:
+            user = User(
+                username=username,
+                password_hash=hash_password(password),
+                password_algo="argon2id",
+                is_active=True,
+                failed_login_count=0,
+                password_changed_at=now,
+                created_at=now,
+                updated_at=now,
+            )
+            db.add(user)
+            action = "created"
+        else:
+            user.password_hash = hash_password(password)
+            user.password_algo = "argon2id"
+            user.is_active = True
+            user.failed_login_count = 0
+            user.locked_until = None
+            user.password_changed_at = now
+            user.updated_at = now
+            await db.execute(delete(AuthSession).where(AuthSession.user_id == user.id))
+            action = "updated"
+        await db.commit()
+        return action
+
+
+async def async_main() -> None:
+    args = parse_args()
+    username = args.username.strip()
+    if not username or len(username) > 64:
+        raise SystemExit("用户名长度必须为 1-64 个字符")
+
+    password = getpass.getpass("Password: ")
+    confirm = getpass.getpass("Confirm password: ")
+    if password != confirm:
+        raise SystemExit("两次密码输入不一致")
+    if len(password) < settings.auth_min_password_length:
+        raise SystemExit(f"密码至少需要 {settings.auth_min_password_length} 个字符")
+
+    try:
+        action = await upsert_user(username, password)
+        print(f"User {username!r} {action}. All previous sessions were revoked.")
+    finally:
+        await engine.dispose()
+
+
+def main() -> None:
+    asyncio.run(async_main())
+
+
+if __name__ == "__main__":
+    main()