diff --git a/src/lib/stores/toasts.svelte.ts b/src/lib/stores/toasts.svelte.ts
index 0d91b85..7f1ff88 100644
--- a/src/lib/stores/toasts.svelte.ts
+++ b/src/lib/stores/toasts.svelte.ts
@@ -18,6 +18,12 @@ import { errorMessage } from "$lib/utils/errors.js";
 
 let nextId = 1;
 
+// Soft cap on how many toasts can be queued at once. Error toasts are sticky
+// (duration: 0) so a misbehaving command that fires errors in a loop can pile
+// up indefinitely without this cap. When exceeded, the oldest toast is
+// evicted to make room.
+const MAX_TOASTS = 50;
+
 function defaultDuration(severity: ToastSeverity): number {
   switch (severity) {
     case "success": return 3000;
@@ -38,6 +44,9 @@ function createToastsStore() {
     const duration = defaultDuration(severity);
     const toast = { id, severity, title, body: body ?? '', duration };
     items.push(toast);
+    if (items.length > MAX_TOASTS) {
+      items.splice(0, items.length - MAX_TOASTS);
+    }
     if (duration > 0) {
       setTimeout(() => dismiss(id), duration);
     }