feat!: emit anchor block timestamp for offchain messages (backport #21414)#21483
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ludamad merged 2 commits intobackport-to-v4-next-stagingfrom Mar 13, 2026
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Summary
Backport of #21414 to v4-next.
Changes offchain messages to track anchor block timestamp for lifecycle management instead of transaction TTL. Adds
anchorBlockTimestampfield toOffchainMessagetype and passes it through all code paths that create offchain messages.Conflict Resolution
Rebased onto latest
backport-to-v4-next-staging(which now includes the offchain reception backport #20893). Only one conflict remained inbatch_call.test.ts— accepted the new test cases from the original PR.Verification
interaction_options.test.ts,batch_call.test.ts)ClaudeBox log: https://claudebox.work/s/f59343e7af96e770?run=2