merge: demo build updates

# Conflicts:
#	neode-ui/src/stores/appLauncher.ts
#	neode-ui/src/views/AppSession.vue

neode-ui/src/views/AppSession.vue

@@ -110,6 +110,7 @@ import { useAppIdentity } from './appSession/useAppIdentity'
 import { useNostrBridge } from './appSession/useNostrBridge'
 import { openExternalUrl, openInAppOrNewTab } from '@/utils/openExternal'
 import { useElectrsSync } from '@/composables/useElectrsSync'
+import { IS_DEMO, isDemoExternal } from '@/composables/useDemoIntro'
 
 const props = defineProps<{
   appIdProp?: string
@@ -166,7 +167,11 @@ const blockedTitle = computed(() => appId.value === 'fedimint' || appId.value ==
 // viewport (and match the CSS `md` breakpoint) instead of a stale one-shot read.
 const isMobile = ref(typeof window !== 'undefined' && window.innerWidth < 768)
 function updateIsMobile() { isMobile.value = window.innerWidth < 768 }
-const mustOpenNewTab = computed(() => NEW_TAB_APPS.has(appId.value))
+// In the demo, apps backed by a real external site that blocks iframing
+// (mempool.space) open in a new tab rather than the in-app session frame.
+const mustOpenNewTab = computed(() =>
+  NEW_TAB_APPS.has(appId.value) || (IS_DEMO && isDemoExternal(appId.value))
+)
 
 // ElectrumX shows a sync screen before its real UI (the Electrum server only
 // serves clients once its index is built). Poll /electrs-status while this is