reasoning: require structural progress for supported meaning

2026-08-11 12:32:03 +01:00
parent 3b868b266e
commit 6adcd817e1
4 changed files with 244 additions and 2 deletions
@@ -881,7 +881,15 @@ export function validateGraphUpdate(graph, update) {
    update.removedEdgeIds.length > 0;

  if (!hasMeaningfulChange) {
-    errors.push("Update contains no meaningful change");
+    // Specific diagnostic for the semantic-only no-op case: populated userSupportedMeaning with zero structural mutation.
+    // The validator does NOT determine whether meaning is "new" or "consequential" — it only observes that meaning exists without structural expression.
+    if (update.answerMeaning?.userSupportedMeaning) {
+      errors.push(
+        "answerMeaning.userSupportedMeaning is populated, but the proposal contains no graph mutation. answerMeaning alone does not constitute graph progress.",
+      );
+    } else {
+      errors.push("Update contains no meaningful change");
+    }
  }

  // Reject oversized input