feat(machine): add regtest network badge and rename Zeus lnd-3 to lnd-alice

Shows a warning-colored badge with the network name (regtest/testnet) when
not on mainnet. Also renames Zeus QR references from lnd-3 to lnd-alice.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/machine/src/App.vue

@@ -8,6 +8,7 @@ import { Button } from '@/components/ui/button'
 const atmStore = useAtmStore()
 const { current: currentTheme, themes } = useTheme()
 const debugExpanded = ref(false)
+const network = import.meta.env.VITE_NETWORK || 'regtest'
 
 function formatSats(sats: number): string {
   return sats.toLocaleString()
@@ -59,6 +60,12 @@ function toggleLiveServices() {
         Offline
       </Badge>
       <Badge v-else class="bg-muted text-muted-foreground">Mock</Badge>
+      <Badge
+        v-if="network !== 'mainnet'"
+        class="bg-warning/20 text-warning border border-warning/30"
+      >
+        {{ network }}
+      </Badge>
     </div>
 
     <!-- Debug overlay (dev only) -->

apps/machine/src/views/IdleView.vue

@@ -112,7 +112,7 @@ function handleCashOut() {
         class="text-xs text-muted-foreground"
         @click="showZeusQR = true"
       >
-        Zeus QR (lnd-3)
+        Zeus QR (lnd-alice)
       </Button>
       <Button
         v-if="lpNprofile"
@@ -131,7 +131,7 @@ function handleCashOut() {
       class="fixed inset-0 z-[100] flex flex-col items-center justify-center gap-4 bg-black/90"
       @click.self="showZeusQR = false"
     >
-      <p class="text-sm text-white/70">Scan with Zeus to connect to lnd-3</p>
+      <p class="text-sm text-white/70">Scan with Zeus to connect to lnd-alice</p>
       <div class="rounded-2xl bg-white p-4">
         <QRCode :value="lndconnectUrl" :size="400" />
       </div>