perf: Move suffixes and reachable into state

[CathalMullan]

No description provided.

[codspeed]

Merging this PR will not alter performance

✅ 104 untouched benchmarks
⏩ 104 skipped benchmarks¹

---

_{Comparing slim-node (45b29e5) with main (b5a936e)}

Footnotes

1. 104 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩