frontend költség beállítások

backend/app/models/marketplace/organization.py

@@ -139,6 +139,7 @@ class Organization(Base):
 
     # ── 📦 ELŐFIZETÉS / SUBSCRIPTION ──
     subscription_plan: Mapped[str] = mapped_column(String(30), server_default=text("'FREE'"), index=True)
+    subscription_expires_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True))
     base_asset_limit: Mapped[int] = mapped_column(Integer, server_default=text("1"))
     purchased_extra_slots: Mapped[int] = mapped_column(Integer, server_default=text("0"))
     
@@ -208,8 +209,6 @@ class Organization(Base):
     # Kapcsolat az örök személy rekordhoz
     legal_owner: Mapped[Optional["Person"]] = relationship("Person", back_populates="owned_business_entities")
     
-    # Kapcsolat a jármű költségekhez (TCO rendszer)
-    vehicle_costs: Mapped[List["VehicleCost"]] = relationship("VehicleCost", back_populates="organization")
 
 class OrganizationFinancials(Base):
     __tablename__ = "organization_financials"