Adopt compact shared workspace feedback

docs/INTERFACE_PATTERN_MIGRATION.md

@@ -25,6 +25,9 @@ assurance profiles.
   Challenge and annulment append reasoned events and erase nothing.
 - Missing permission or electorate membership identifies the required action,
   responsible actor, and destination.
+- Electorate matching and new-ballot defaults use the canonical authenticated
+  principal account ID, falling back to the shell user's account ID when the
+  richer principal context has not loaded yet.
 - Optional Committee, Decision, Encryption, Forms, Trust, Policy, Reporting,
   and Workflow integrations remain behind declared contracts.
 

webui/src/features/voting/VotingPage.tsx

@@ -52,6 +52,7 @@ export default function VotingPage({ settings, auth }: PlatformRouteContext) {
   const canCast = hasScope(auth, "voting:ballot:cast");
   const canCertify = hasScope(auth, "voting:ballot:certify");
   const canAdmin = hasScope(auth, "voting:ballot:admin");
+  const currentAccountId = auth.principal?.account_id || auth.user.account_id;
 
   const loadList = useCallback(async (signal?: AbortSignal, preferredId?: string) => {
     setLoading(true);
@@ -94,8 +95,8 @@ export default function VotingPage({ settings, auth }: PlatformRouteContext) {
   }, [selectedId, settings]);
 
   const eligible = useMemo(() => Boolean(
-    selected?.electorate.some((item) => item.subject_id === auth.account.id)
+    selected?.electorate.some((item) => item.subject_id === currentAccountId)
-  ), [auth.account.id, selected]);
+  ), [currentAccountId, selected]);
 
   async function run(action: "open" | "close" | "certify") {
     if (!selected) return;
@@ -240,7 +241,7 @@ export default function VotingPage({ settings, auth }: PlatformRouteContext) {
         open
         settings={settings}
         ballot={editing === "new" ? null : editing}
-        currentAccountId={auth.account.id}
+        currentAccountId={currentAccountId}
         onClose={() => setEditing(null)}
         onSaved={(ballot) => {
           setEditing(null);