Add admin dashboard filtering and sorting

Provide stable server-side list queries and focused chart controls so operators can inspect large datasets without misleading partial-page ordering.

admin-web/src/components/chart-toolbar.tsx

@@ -0,0 +1,18 @@
+import type { ReactNode } from "react";
+
+export function ChartToolbar({
+  children,
+  label,
+}: {
+  children: ReactNode;
+  label: string;
+}) {
+  return (
+    <div
+      className="flex flex-wrap items-end gap-3 border-b border-border bg-surface-muted/25 px-5 py-4"
+      aria-label={label}
+    >
+      {children}
+    </div>
+  );
+}