Answer A-241: the validation always judges against the whole seat list

Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
2026-11-12 09:41:28 +01:00
parent 0363e6f5f1
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@@ -237,3 +237,6 @@ the principle that settles it, cited as "design 47 G A-n".
  manifest's `uses` gains `mesh-grants` beside the `invokes` of `seat:mesh-grants.withheld` H-21 added.
 - **A-240** (§354, ADR 0596; principle 1) The assigner waits on its composition run's answer by hearing the build
  seat's `step-ended` for that ask, never by reading the seat's step state.
+- **A-241** (§712, A-234; principle 3) The validation's `seats` are the branch's revision's seat definitions (A-234)
+  with the merges' changed definitions laid over them, so a revision that touches no definition is still judged
+  against the whole seat list.