diff --git a/tools/ci/export-exclude.txt b/tools/ci/export-exclude.txt
index 7b1f244a5..24ef752e7 100644
--- a/tools/ci/export-exclude.txt
+++ b/tools/ci/export-exclude.txt
@@ -12,3 +12,6 @@
 docs/analysis/horizon/polish.md
 # the CI failure classification of 6 October 2026 (an operations document: run ids, step names, the fixes)
 docs/analysis/ci-failures-2026-10-06.md
+# 7 October 2026: the last research round (the mission lanes and the closed list): internal research written for the
+# owner, quoting his words and the operations record; the public spec mirror carries none of it
+docs/analysis/mission