Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/app/admin/bans/page.tsx

@@ -75,7 +75,9 @@ export default async function AdminBans() {
       </form>
 
       <section className="mt-6">
-        <h2 className="admin-section-title">{t("activeBans")} ({bans.length})</h2>
+        <h2 className="admin-section-title">
+          {t("activeBans")} ({bans.length})
+        </h2>
         {bans.length === 0 ? (
           <div className="admin-empty">{t("noBans")}</div>
         ) : (
@@ -95,12 +97,16 @@ export default async function AdminBans() {
                   <tr key={b.id}>
                     <td>{b.userId}</td>
                     <td>
-                      <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-[var(--color-primary)]/18 text-[var(--color-text)]">{b.type}</span>
+                      <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-[var(--color-primary)]/18 text-[var(--color-text)]">
+                        {b.type}
+                      </span>
                     </td>
                     <td>{b.banReason || "—"}</td>
                     <td>
                       {b.banExpire === 0 ? (
-                        <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-red-500/22 text-[var(--color-text)]">{t("permanent")}</span>
+                        <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-red-500/22 text-[var(--color-text)]">
+                          {t("permanent")}
+                        </span>
                       ) : (
                         <span className="text-sm text-gray-500 dark:text-gray-400 whitespace-nowrap">
                           {fromUnix(b.banExpire)}