feat: migrate token policies on zone enablement#697
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This was referenced Jul 17, 2026
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Makes ZonePortal migrate a TIP-20 policy binding before enabling the token once TIP-1092 is active, then fail closed unless TIP-403 reports
isSet == true. Before activation, it recognizes the gatedUnknownFunctionSelectorresponse and preserves existing token enablement.Covers both initial zone creation and later admin enablement. Uses the canonical
(bool isSet, uint64 policyId)interface from tempoxyz/tempo-std#132 and complements tempoxyz/tempo#6846.Validated with
forge fmt --check,forge build --sizes, focused migration, pre-activation, and gas-limit tests, the ZonePortal storage-layout check,cargo test -p tempo-zone-contracts, and the previously failing zone-node restart integration test.