1、后台/teams需要可以设置管理人，后台只给这个管理人分配积分，然后前台管理员自己分配积分

2、前台判断用户是管理人，左下角显示团队管理
3、团队管理可以看到团队的人员、分配人员积分、人员的积分情况的功能
4、团队管理还可以邀请用户，比如生成个链接，未注册需要注册绑定团队，已注册用户访问弹窗是否加入这个团队，然后都需要管理同意才可以加入团队

video-gen-api/app/models/__init__.py

@@ -1,6 +1,8 @@
 from app.models.base import Base, TimestampMixin, SoftDeleteMixin, engine, async_session, init_database, close_database
 from app.models.user import User
 from app.models.team import Team
+from app.models.team_invitation import TeamInvitation
+from app.models.team_join_request import TeamJoinRequest
 from app.models.project import Project
 from app.models.generation_record import GenerationRecord
 from app.models.credit_record import CreditRecord
@@ -36,7 +38,7 @@ from app.models.contact_request import ContactRequest
 __all__ = [
     "Base", "TimestampMixin", "SoftDeleteMixin", "engine", "async_session",
     "init_database", "close_database",
-    "User", "Team", "Project", "GenerationRecord", "CreditRecord",
+    "User", "Team", "TeamInvitation", "TeamJoinRequest", "Project", "GenerationRecord", "CreditRecord",
     "ModelConfig", "SystemConfig", "Notification", "PaymentOrder",
     "TokenUsage", "IndustryConfig", "VideoEngine", "CreditRatio",
     "MenuConfig", "RechargePackage", "OperationLog", "ContactRequest",