Narrow tier2 kind-8 setup gate role

docs/rehost-queue.md

@@ -592,7 +592,12 @@ Working rule:
     stays zero across the checked recipe-book surface while `Louisiana.gmp` keeps the sparse
     nonzero `book00` profile. So the next pass should keep the setup bridge narrowed to the
     unique `+0x20` campaign/setup-byte side while still treating the sparse recipe/runtime family
-    as the stronger remaining differentiator.
+    as the stronger remaining differentiator. The same note now also sharpens the `+0x20` bridge
+    itself: current grounded downstream consumers of mirrored `[world+0x66de]` are mostly the
+    editor metadata checkbox and campaign-gated branches inside `0x00442c30`, not the core
+    Tier 2 helpers directly. So the likely Tier 2 relevance of `+0x20` is the branch gate inside
+    `0x00436d10 / 0x00443a50` before the rebuild family runs, not a later direct
+    `[world+0x66de] -> 0x00435630/0x00412bd0/0x00412c10` data path.
     kinds”; it is the smaller set of scenario-specific records where that sweep explicitly writes
     `[event+0x7ef]` itself or a still-later owner does.
   - two explicit trigger-kind materializations are now grounded inside that retagger: