Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/app/admin/calendar/page.tsx

@@ -52,8 +52,7 @@ export default async function AdminCalendar() {
     for (const r of rewards) {
       rewardCounts.set(r.campaignId, (rewardCounts.get(r.campaignId) ?? 0) + 1);
     }
-  } catch {
-  }
+  } catch {}
 
   const enabledCount = campaigns.filter((c) => c.enabled === "1").length;
 
@@ -65,7 +64,9 @@ export default async function AdminCalendar() {
         </div>
         <div>
           <h1 className="m-0 text-xl font-extrabold text-[var(--color-text)]">{t("title")}</h1>
-          <p className="m-0 text-xs text-[var(--color-text-muted)] mt-0.5">{t("subtitle", { count: campaigns.length })}</p>
+          <p className="m-0 text-xs text-[var(--color-text-muted)] mt-0.5">
+            {t("subtitle", { count: campaigns.length })}
+          </p>
         </div>
       </div>
 
@@ -88,11 +89,7 @@ export default async function AdminCalendar() {
             const enabled = c.enabled === "1";
             const count = rewardCounts.get(c.id) ?? 0;
             return (
-              <Link
-                key={c.id}
-                href={`/admin/calendar/${c.id}`}
-                className="admin-card hover article"
-              >
+              <Link key={c.id} href={`/admin/calendar/${c.id}`} className="admin-card hover article">
                 {c.image ? (
                   // eslint-disable-next-line @next/next/no-img-element
                   <img className="article-img" src={c.image} alt={c.name} />
@@ -102,7 +99,9 @@ export default async function AdminCalendar() {
                 <div className="body">
                   <div className="flex items-center justify-between gap-2 mb-1">
                     <h3 className="m-0">{c.name || `#${c.id}`}</h3>
-                    <span className={`inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full ${enabled ? "bg-green-600/20 text-[var(--color-text)]" : "bg-red-500/22 text-[var(--color-text)]"}`}>
+                    <span
+                      className={`inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full ${enabled ? "bg-green-600/20 text-[var(--color-text)]" : "bg-red-500/22 text-[var(--color-text)]"}`}
+                    >
                       {enabled ? t("statusEnabled") : t("statusDisabled")}
                     </span>
                   </div>