Retain Autobahn lane last block across prune - #4199

Merged

wen-coding merged 3 commits into

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wen/autobahn-parent-retention

Sep 16, 2026

Commits on Sep 16, 2026

Retain the last Autobahn lane block across prune so production does not stall on a zero parent hash.
wen-coding
committed
ff8b76c
Do not parent-check PushBlock against a last block that prune has already cut.
wen-coding
committed
a54a6ef
Document that last sits at first-1 or above, and keep the jump-prune TODO on the clear.
wen-coding
committed
f8a3863