diff --git a/workplans/MASON-WP-0004-credential-inventory-descriptions.md b/workplans/MASON-WP-0004-credential-inventory-descriptions.md
index 0e61b27..e7b38fc 100644
--- a/workplans/MASON-WP-0004-credential-inventory-descriptions.md
+++ b/workplans/MASON-WP-0004-credential-inventory-descriptions.md
@@ -189,6 +189,13 @@ is asking the founder what it holds), `keycape-factor-issuer` rotation
 (railiance-platform gap) and `user-engine/runtime` on_loss (ops-mason, after
 its rotation rehearsal).
 
+2026-10-10: founder accepted the six and applied: 34 paths `merged`, 3 drafts
+skipped. `operators/nextcloud/backup` failed with HTTP 403, under both the
+admin wrapper and the founder's own session (`operator-custody`): metadata is
+readable but neither patch nor put may write it. Asked railiance-platform
+whether `operators/*` metadata is write-protected by design and who writes
+descriptions there (message `6b08c40d`).
+
 ## Make an undescribed path visible before it accumulates
 
 ```task