diff --git a/docs/ISSUES.md b/docs/ISSUES.md
index 50ff2c3a..0683b4ae 100644
--- a/docs/ISSUES.md
+++ b/docs/ISSUES.md
@@ -3701,10 +3701,13 @@ Unverified. The likely culprits, ranked by suspected probability:
 
 ---
 
-## #108 — Cellar↔main-floor transition: terrain (grass) sweeps across the upstairs door opening — [FIX SHIPPED 2026-06-12 · awaiting cellar visual gate]
+## #108 — Cellar↔main-floor transition: terrain (grass) sweeps across the upstairs door opening — [CLOSED 2026-06-12 · user-gated]
 
-**Status:** FIX SHIPPED (desk-pinned) — root cause found 2026-06-12; the
-cellar-ascent visual gate is pending.
+**Status:** CLOSED — user visual gate 2026-06-12 ("Yes it is fixed.")
+after the terrain-backface-cull fix (`96a425a`). Root cause: terrain
+drew double-sided; the grass was the grade sheet's underside seen from
+a below-grade cellar eye. Membership/viewer EXONERATED by the vertical
+cellar-ascent harness (`007af13`).
 
 **ROOT CAUSE (2026-06-12): terrain was drawn DOUBLE-SIDED — the grass was
 the UNDERSIDE of the grade sheet.** Two steps: