diff --git a/stacks/intern-decision/README.md b/stacks/intern-decision/README.md
index 996a883..6bbe460 100644
--- a/stacks/intern-decision/README.md
+++ b/stacks/intern-decision/README.md
@@ -108,6 +108,11 @@ Both run ON fv-ml1 and share one `.env`.
 
 After either switch, make `stacks/intern-decision/compose.yaml` match the host again (it is INC today).
 
+⚠ **Tell albok-dev on either switch: Nemi's judge concurrency depends on the seat.** INC scores on one inference
+thread (INV-2, ~16 calls/s at most), so the judge runs with concurrency 1 against it (albok's `nemi.yaml`, since
+2026-10-12). With 4 in flight on INC, the 1533–1619 walk queued behind itself and lost 339 calls to 30 s timeouts. On
+h2o, vLLM batches, so it goes back to 4.
+
 ---
 
 # The live seat: Intern-Decision-4B (2026-09-30 → 2026-10-12 1308, and again since 1403)