rules: run history timestamps in en-AU, not the browser's locale (d/m, never m/d)

src/app/rules/page.tsx

@@ -463,7 +463,7 @@ export default function RulesPage() {
                     >
                       {expandedRun === run.id ? "▾" : "▸"}
                     </button>
-                    <span className="text-zinc-300">{new Date(run.applied_at).toLocaleString()}</span>
+                    <span className="text-zinc-300">{new Date(run.applied_at).toLocaleString("en-AU")}</span>
                     {/* Which rule ran matters most: a merchant rename and a
                         50/50 split of everything look identical as counts. */}
                     <span className="text-zinc-200">
@@ -480,7 +480,7 @@ export default function RulesPage() {
                     )}
                   </div>
                   {run.reverted_at ? (
-                    <span className="text-xs text-zinc-500">reverted {new Date(run.reverted_at).toLocaleString()}</span>
+                    <span className="text-xs text-zinc-500">reverted {new Date(run.reverted_at).toLocaleString("en-AU")}</span>
                   ) : (
                     <button
                       onClick={() => {