Add skiplist to CheckPoint for O(√n) traversal#2048

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evanlinjin wants to merge 9 commits intobitcoindevkit:masterfrom

evanlinjin:feature/skiplist

Commits on Oct 17, 2025

refactor(core): optimize CheckPoint::range() with two-phase traversal

evanlinjin
and
claude
committed
refactor(core): simplify CheckPoint::floor_at() to use range()
evanlinjin
committed
fix(core): restore simple CheckPoint::insert() implementation
evanlinjin
committed
feat(core): add skiplist to CheckPoint for O(√n) traversal

evanlinjin
and
claude
committed
test(core): add comprehensive skiplist tests

evanlinjin
and
claude
committed
bench(core): add skiplist performance benchmarks

evanlinjin
and
claude
committed
chore(core): fmt
evanlinjin
committed
perf(core): optimize CheckPoint::get() with two-phase traversal
evanlinjin
committed
refactor(core): simplify CheckPoint::push skip pointer logic

evanlinjin
and
claude
committed