AltLayer Takes Over Swell Chain Ownership for Wind-Down

Optimism Security Council to transfer Swell chain (ID 1923) administrative ownership to AltLayer for wind-down completion. L1 ProxyAdmin (0x4C4710a4Ec3F514A492CC6460818C4A6A6269dd6) moves from OP-governed Safe to AltLayer Safe (0xa83F1334c6a8Daca576Dc14020d9d2b1b16a8Dfa). L2 ProxyAdmin owner re-aliased. No code changes; DelayedWETH v1.5.0 requires no transfer.