fix(ui): encode bare nprofile in ShockWallet QR section

The dedicated "Using ShockWallet" QR now encodes the raw nprofile
value (not a URL) so ShockWallet's QR scanner can recognize it
directly. The table row still uses the deep link URL.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/machine/src/views/SupportView.vue

@@ -339,13 +339,13 @@ function goBack() {
             </CardContent>
           </Card>
 
-          <!-- Lightning.Pub nprofile QR (deep link to ShockWallet) -->
+          <!-- Lightning.Pub nprofile QR (scannable by ShockWallet) -->
           <Card v-else-if="seg.type === 'lp-nprofile'" class="my-6 mx-auto max-w-xs">
             <CardContent class="flex flex-col items-center gap-3 p-6">
-              <template v-if="shockwalletDeepLink">
+              <template v-if="lpNprofile">
                 <div class="rounded-xl bg-white p-3">
                   <QrcodeVue
-                    :value="shockwalletDeepLink"
+                    :value="lpNprofile"
                     :size="180"
                     level="L"
                     render-as="svg"
@@ -354,7 +354,7 @@ function goBack() {
                   />
                 </div>
                 <span class="text-xs text-muted-foreground text-center px-2">
-                  Scan to open ShockWallet
+                  Scan with ShockWallet to connect
                 </span>
               </template>
               <template v-else>