diff --git a/ui-electrobun/src/mainview/ProjectCard.svelte b/ui-electrobun/src/mainview/ProjectCard.svelte
index 7a020f9..3f7b0b5 100644
--- a/ui-electrobun/src/mainview/ProjectCard.svelte
+++ b/ui-electrobun/src/mainview/ProjectCard.svelte
@@ -122,10 +122,9 @@
   // Derived from project-tabs-store for reactive reads
   let activeTab = $derived(getActiveTab(id));
 
-  // ── Load last session on mount ──────────────────────────────────────
-  $effect(() => {
-    loadLastSession(id);
-  });
+  // ── Load last session on mount (once, not reactive) ─────────────────
+  import { onMount } from 'svelte';
+  onMount(() => { loadLastSession(id); });
 
   function setTab(tab: ProjectTab) {
     setActiveTab(id, tab);