diff --git a/neode-ui/src/views/Marketplace.vue b/neode-ui/src/views/Marketplace.vue
index 5225fa58..94918722 100644
--- a/neode-ui/src/views/Marketplace.vue
+++ b/neode-ui/src/views/Marketplace.vue
@@ -367,21 +367,38 @@ const installingApps = ref<Map<string, InstallProgress>>(new Map())
 const maxAttempts = ref(60)
 
 // Watch WebSocket data for real install progress from backend
+// Also picks up installs started before this page was opened (Task 11: persist across nav)
 watch(() => store.packages, (packages) => {
   if (!packages) return
   for (const [appId, pkg] of Object.entries(packages)) {
-    const progress = pkg['install-progress']
-    if (progress && pkg.state === 'installing' && installingApps.value.has(appId)) {
-      const current = installingApps.value.get(appId)!
-      const pct = progress.size > 0 ? Math.round((progress.downloaded / progress.size) * 100) : 0
-      const downloadedMB = (progress.downloaded / (1024 * 1024)).toFixed(1)
-      const totalMB = (progress.size / (1024 * 1024)).toFixed(1)
-      installingApps.value.set(appId, {
-        ...current,
-        status: 'downloading',
-        progress: Math.min(pct, 95),
-        message: progress.size > 0 ? `Downloading: ${downloadedMB} / ${totalMB} MB (${pct}%)` : t('marketplace.downloading'),
-      })
+    if ((pkg.state as string) === 'installing') {
+      const progress = pkg['install-progress']
+      // If we don't have a local entry yet, create one from backend state
+      if (!installingApps.value.has(appId)) {
+        installingApps.value.set(appId, {
+          id: appId,
+          title: pkg.manifest?.title || appId,
+          status: 'downloading',
+          progress: 0,
+          message: t('common.installing'),
+          attempt: 0,
+        })
+      }
+      if (progress) {
+        const current = installingApps.value.get(appId)!
+        const pct = progress.size > 0 ? Math.round((progress.downloaded / progress.size) * 100) : 0
+        const downloadedMB = (progress.downloaded / (1024 * 1024)).toFixed(1)
+        const totalMB = (progress.size / (1024 * 1024)).toFixed(1)
+        installingApps.value.set(appId, {
+          ...current,
+          status: 'downloading',
+          progress: Math.min(pct, 95),
+          message: progress.size > 0 ? `Downloading: ${downloadedMB} / ${totalMB} MB (${pct}%)` : t('marketplace.downloading'),
+        })
+      }
+    } else if (installingApps.value.has(appId) && (pkg.state as string) !== 'installing') {
+      // Install finished — remove from tracking
+      installingApps.value.delete(appId)
     }
   }
 }, { deep: true })