fix(apps): stabilize btcpay and public proxy launch flows

neode-ui/src/views/AppSession.vue

@@ -160,6 +160,19 @@ const appUrl = computed(() => {
   return resolveAppUrl(appId.value, route.query.path as string | undefined)
 })
 
+function closeRouteSession() {
+  const fallback = route.query.returnTo
+  const fallbackPath = typeof fallback === 'string' && fallback.startsWith('/dashboard')
+    ? fallback
+    : '/dashboard/apps'
+  const previous = router.options.history.state.back
+  if (typeof previous === 'string' && previous.startsWith('/dashboard') && router.resolve(previous).name !== 'app-session') {
+    router.back()
+    return
+  }
+  router.replace(fallbackPath).catch(() => {})
+}
+
 // --- Identity & Nostr bridge ---
 
 const iframeRef = computed(() => frameRef.value?.iframeRef ?? null)
@@ -295,7 +308,7 @@ function handleBackdropClick() {
 function closeSession() {
   if (document.fullscreenElement) document.exitFullscreen().catch(() => {})
   if (isInlinePanel.value) emit('close')
-  else router.back()
+  else closeRouteSession()
 }
 
 function onKeyDown(e: KeyboardEvent) {
@@ -332,7 +345,7 @@ onMounted(() => {
   if (mustOpenNewTab.value && appUrl.value) {
     window.open(appUrl.value, '_blank', 'noopener,noreferrer')
     if (isInlinePanel.value) emit('close')
-    else router.back()
+    else closeRouteSession()
     return
   }