add QR codes to the payment modal

package.json

@@ -1,6 +1,6 @@
 {
   "name": "imwald",
-  "version": "23.15.1",
+  "version": "23.16.0",
   "description": "Imwald — a user-friendly Nostr client focused on relay feed browsing, publications, and relay discovery",
   "private": true,
   "type": "module",

src/components/PaytoDialog/index.tsx

@@ -36,6 +36,7 @@ import { cn } from '@/lib/utils'
 import { useNostr } from '@/providers/NostrProvider'
 import { mergePostPaymentContext, type PostPaymentContext } from '@/lib/post-payment-context'
 import { NostrEvent } from 'nostr-tools'
+import QrCode from '@/components/QrCode'
 import LightningInvoiceSection from './LightningInvoiceSection'
 
 export default function PaytoDialog({
@@ -170,6 +171,9 @@ export default function PaytoDialog({
     [isLightning, type, authority]
   )
 
+  /** Wallet deep link (`bitcoin:…`) or funding page URL — not the payto:// URI. */
+  const qrPayload = walletOpenUri ?? authority
+
   const showPrimaryOpen = isLikelyMobileWalletUserAgent() && !!walletOpenUri
 
   const handleOpenWallet = () => {
@@ -229,6 +233,18 @@ export default function PaytoDialog({
                   </p>
                   <p className="break-all font-mono text-base leading-relaxed select-text sm:text-lg">{authority}</p>
                 </div>
+                <div
+                  className="flex min-w-0 flex-col items-center gap-2"
+                  role="img"
+                  aria-label={t('Scan to pay with your wallet')}
+                >
+                  <div className="w-full max-w-[min(100%,240px)]">
+                    <QrCode value={qrPayload} size={240} />
+                  </div>
+                  <p className="text-center text-sm text-muted-foreground sm:text-base">
+                    {t('Scan to pay with your wallet')}
+                  </p>
+                </div>
                 <div className="flex min-w-0 flex-col gap-2">
                   {showPrimaryOpen && walletOpenUri ? (
                     <Button

src/lib/payto-targets.test.ts

@@ -26,6 +26,15 @@ describe('resolveNativeWalletUri', () => {
         walletApps: ['cakewallet']
       })
     ).toBe('bitcoin:bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh')
+    expect(
+      resolvePaytoProfileUrl('bitcoin', 'bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh')
+    ).toBe('bitcoin:bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh')
+  })
+
+  it('builds full HTTPS URL for Geyser and similar tip platforms', () => {
+    expect(resolvePaytoProfileUrl('geyser', 'my-project')).toBe(
+      'https://geyser.fund/project/my-project'
+    )
   })
 
   it('maps BIP-353 to lightning: URI', () => {