feat(planning): ship holiday-aware planning and assistant upgrades

apps/web/src/components/vacations/VacationClient.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState, useCallback } from "react";
+import Link from "next/link";
 import { VacationStatus, VacationType } from "@capakraken/shared";
 import { trpc } from "~/lib/trpc/client.js";
 import { VacationModal } from "./VacationModal.js";
@@ -137,6 +138,13 @@ export function VacationClient() {
         <div>
           <h1 className="text-2xl font-bold text-gray-900 dark:text-gray-100">Vacations</h1>
           <p className="text-sm text-gray-500 dark:text-gray-400 mt-1">Manage vacation requests and approvals</p>
+          <p className="mt-2 text-xs text-gray-500 dark:text-gray-400">
+            Regional public holidays are maintained in{" "}
+            <Link href="/admin/vacations" className="font-medium text-brand-700 hover:text-brand-800 dark:text-brand-400 dark:hover:text-brand-300">
+              Holiday Calendars
+            </Link>
+            .
+          </p>
         </div>
         <button
           type="button"