diff --git a/00-META/process/07-feature-branches.md b/00-META/process/07-feature-branches.md
index fdf2a9a9..f2594b98 100644
--- a/00-META/process/07-feature-branches.md
+++ b/00-META/process/07-feature-branches.md
@@ -132,8 +132,12 @@ never into the running one, unless it blocks the running one.
    (`ParseManifest` across every repository, with the SDK commit each pins) and each one older than the word ships
    first (2026-10-21: the milestones of design 60 counted only the controller, and the prepare step of the catalogue's
    milestone found the build module mesh-build-go and the delivery's indexer reading manifests strictly with an SDK
-   from before the word, which became a release of its own). Each order found is said to the operator with the cut
-   it asks for, never built around.
+   from before the word, which became a release of its own). **A new verb of a seat the mesh defines is the SDK's
+   first**: the verbs of a defined seat are a contract in the SDK, and the controller refuses a claim that serves a
+   verb its vendored SDK does not list, so a module that adds one waits for the SDK change and a controller delivered
+   with it; the prepare step searches the SDK for each seat a change adds verbs to (2026-10-21: the catalogue's
+   milestone of design 60 gave node-files two verbs, and its first try was refused on the claim, which became a
+   release of its own). Each order found is said to the operator with the cut it asks for, never built around.
 7. **Write fixtures from the shape the other side writes, never from memory** (2026-10-18: a watchman's tests
    mirrored a build key the controller never writes, and every test passed): copy a value from the writer's code or
    from the live bus, and name where it came from.