diff --git a/resources/js/app.js b/resources/js/app.js
index fa8a6ae..5d2188d 100644
--- a/resources/js/app.js
+++ b/resources/js/app.js
@@ -202,18 +202,23 @@ document.addEventListener('alpine:init', () => {
 // Keep the active-server session in sync with the server-details page on screen, even
 // when wire:navigate restores a page from its bfcache (Back/Forward) without re-running
 // Show::mount(). The details page tags its root with data-clusev-activate=<activate URL>.
-let clusevActivateAbort;
+let clusevActivateChain = Promise.resolve();
 document.addEventListener('livewire:navigated', () => {
-    // Abort any prior in-flight activation so only the LATEST navigation can win — a
-    // stale request must never overwrite a newer server selection.
-    clusevActivateAbort?.abort();
     const el = document.querySelector('[data-clusev-activate]');
     if (!el) return;
-    clusevActivateAbort = new AbortController();
-    const token = document.querySelector('meta[name="csrf-token"]')?.content;
-    fetch(el.dataset.clusevActivate, {
-        method: 'POST',
-        headers: { 'X-CSRF-TOKEN': token ?? '', 'X-Requested-With': 'XMLHttpRequest' },
-        signal: clusevActivateAbort.signal,
-    }).catch(() => {});
+    const url = el.dataset.clusevActivate;
+    const token = document.querySelector('meta[name="csrf-token"]')?.content ?? '';
+    // SERIALIZE: run each activation after the previous one resolves, so the LATEST
+    // navigation's request is guaranteed to reach the server last — a stale activation
+    // can never overwrite a newer selection. A per-request timeout prevents a hung
+    // request from stalling the chain.
+    clusevActivateChain = clusevActivateChain.then(() => {
+        const ctrl = new AbortController();
+        const timer = setTimeout(() => ctrl.abort(), 5000);
+        return fetch(url, {
+            method: 'POST',
+            headers: { 'X-CSRF-TOKEN': token, 'X-Requested-With': 'XMLHttpRequest' },
+            signal: ctrl.signal,
+        }).catch(() => {}).finally(() => clearTimeout(timer));
+    });
 });