feat: 完成权益到期与续期闭环

ai_knowledge_base_v2/apps/backend/app/models/entitlement.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from datetime import datetime
 
-from sqlalchemy import BigInteger, DateTime, ForeignKey, Integer, String, Text
+from sqlalchemy import BigInteger, DateTime, ForeignKey, Index, Integer, String, Text
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.models.base import Base, TimestampMixin
@@ -30,6 +30,7 @@ class EntitlementPlan(Base, TimestampMixin):
 
 class UserEntitlement(Base, TimestampMixin):
     __tablename__ = "sys_user_entitlement"
+    __table_args__ = (Index("ix_entitlement_status_expiry", "status", "expired_at", "user_id"),)
 
     id: Mapped[int] = mapped_column(PRIMARY_KEY_TYPE, primary_key=True, autoincrement=True)
     user_id: Mapped[int] = mapped_column(ForeignKey("sys_user.id"), index=True, nullable=False)
@@ -50,6 +51,7 @@ class UserEntitlementLog(Base):
     from_plan_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
     to_plan_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
     action: Mapped[str] = mapped_column(String(30), nullable=False)
+    request_key: Mapped[str | None] = mapped_column(String(160), unique=True, nullable=True)
     detail_json: Mapped[str | None] = mapped_column(Text, nullable=True)
     operated_by: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
     created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)