Case C-679/23 P: Judgment of the Court (Grand Chamber) of 18 December 2025 – WS and Others v Frontex (Joint return operation) (Appeal – Common policy on asylum and immigration – Regulation (EU) 2016/1624 – European integrated border management of the external borders of the European Union – European Border and Coast Guard – European Border and Coast Guard Agency (Frontex) – Frontex’s obligations to protect fundamental rights – Joint return operation coordinated by Frontex – Frontex’s non-contractual liability – Causal link between the breach of such obligations and the damage suffered)