Jakub Zych c2f136ad7d fix: serialise redirect writes so concurrent saves cannot store a loop (WR-10) ...

The save-time simulation read the rules at READ COMMITTED without a lock,
so A -> B and B -> A written concurrently both passed. CheckRedirect,
AddressChanged and every batch now take a transaction-level advisory lock
before they read the rules.

2026-10-27 15:29:08 +01:00

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