A tapped lightning:lnurl (NFC at a till) waits on the paying shell for the feature that pays it instead of sitting as raw text in the recipient field; Paste and Scan stay one line tall as a long address grows the field

Co-Authored-By: Claude Opus 5.5 <[email protected]>

2 files changed, 28 insertions, 17 deletions

diff --git a/src/app.js b/src/app.js
index ec7ef53..69425be 100644
--- a/src/app.js
+++ b/src/app.js
@@ -4944,6 +4944,12 @@ function sendTab() {
     );
   }
   if (ui.sendResult) return sendResultView();
+  // an NFC/intent payment waiting for its feature: the tap flow's paying shell
+  if (ui.intentWait) {
+    return h('div', { class: 'card col autopay-card', style: 'align-items:center;text-align:center;gap:14px;padding:48px 20px' },
+      h('div', { class: 'check-badge autopay-badge' }, '\u26a1'),
+      h('div', { class: 'small muted autopay-foot' }, ''));
+  }
   if (ui.broadcastTx) { sendFocused = true; return broadcastConfirmView(); }
   const featView = featureHook('sendView');
   if (featView) { sendFocused = true; return featView; }
@@ -6236,6 +6242,7 @@ document.addEventListener('visibilitychange', () => {
 // boot can put that well after load. handleScanned routes it exactly like a
 // scanned QR: bolt11s and lnurls through the feature chain, bitcoin: through
 // BIP-21 (nostr profile intents already rerouted onto the /npub deep link).
+const LN_INTENT = /^(lightning:|lnurl|lnbc|lntb|lntbs|lnbcrt|lno1|noffer1)|^[^\s:@/]+@[^\s@/]+\.[a-z]{2,}$/i;
 if (INTENT_URI) {
   const started = Date.now();
   const tick = setInterval(() => {
@@ -6243,25 +6250,26 @@ if (INTENT_URI) {
     if (!activeAccount() || !wallet.loaded || ui.screen !== 'wallet') return;
     clearInterval(tick);
     ui.tab = 'send';
+    // A lightning:lnurl… (or ln-address, bolt11, offer) intent — an NFC tap
+    // at a till — often lands BEFORE the feature that pays it is ready (ark
+    // connects lazily, so zaps' matchSendText declines). Hold it on the same
+    // paying shell the tap flow shows, never the raw URI in the recipient
+    // field, and hand it over the moment a feature claims it; only after a
+    // long wait does it fall back to the form like a scan.
+    if (featureMatchSend(INTENT_URI)) return render();
+    if (!LN_INTENT.test(INTENT_URI)) { render(); return handleScanned(INTENT_URI); }
+    ui.intentWait = true;
     render();
-    handleScanned(INTENT_URI);
-    // A lightning:lnurl… (or ln-address) intent often lands BEFORE the
-    // feature that pays it is ready — ark connects lazily, so zaps'
-    // matchSendText declines and the raw URI falls through into the
-    // recipient field. Keep re-offering the text to the feature chain for a
-    // while; when a feature finally claims it (the zap amount screen takes
-    // over), sweep the leftover raw text out of the recipient.
-    let tries = 0;
+    const waitStart = Date.now();
     const retry = setInterval(() => {
-      const s = ui.send;
-      const pending = s && s.recipients.length === 1 && s.recipients[0].address === INTENT_URI;
-      if (!pending || ++tries > 20) return clearInterval(retry);
-      if (featureMatchSend(INTENT_URI)) {
-        clearInterval(retry);
-        s.recipients[0].address = '';
-        render();
-      }
-    }, 1000);
+      const claimed = ui.intentWait && featureMatchSend(INTENT_URI);
+      if (!claimed && ui.intentWait && Date.now() - waitStart < 20_000) return;
+      clearInterval(retry);
+      const wasWaiting = ui.intentWait;
+      ui.intentWait = false;
+      if (!claimed && wasWaiting) handleScanned(INTENT_URI);
+      render();
+    }, 150);
   }, 500);
 }
 
diff --git a/src/style.css b/src/style.css
index 28990fa..db6e00e 100644
--- a/src/style.css
+++ b/src/style.css
@@ -277,6 +277,9 @@ textarea.send-dest {
 /* the hint in the page's own face: narrower than the address font, so it
    fits the one line beside Paste and Scan on a phone */
 textarea.send-dest::placeholder { font-family: var(--sans); }
+/* Paste and Scan stay one line tall at the top as a long address grows the
+   field (a flex row stretches them to its full height otherwise) */
+.input-group:has(> textarea.send-dest) > button { align-self: flex-start; height: calc(1.4rem + 24px); }
 
 /* unit toggle */
 .seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; }