Require min 1 confirmation in payment tier config.

Disallow minConfirmations: 0 for BTC and XMR tiers at startup validation, update env examples and deploy docs, and drop tx-detected UI copy and legacy tests.

backend/src/utils/confirmation/resolveMinConfirmations.spec.ts

@@ -1,14 +1,14 @@
 import { resolveMinConfirmations } from './resolveMinConfirmations';
 
 const tiers = [
-    { upToTotalFiat: '25', minConfirmations: 0 },
+    { upToTotalFiat: '25', minConfirmations: 1 },
     { upToTotalFiat: '250', minConfirmations: 5 },
     { minConfirmations: 10 }
 ] as const;
 
 describe('resolveMinConfirmations', () => {
-    it('returns 0 for small orders (tx-detected tier)', () => {
-        expect(resolveMinConfirmations(10, [...tiers])).toBe(0);
+    it('returns the first tier for small orders', () => {
+        expect(resolveMinConfirmations(10, [...tiers])).toBe(1);
     });
 
     it('returns the middle tier for medium orders', () => {

backend/src/utils/invoice/formatInvoicePaymentConfirmationStatus.spec.ts

@@ -35,14 +35,14 @@ describe('formatInvoicePaymentConfirmationStatus', () => {
             ).toBe('2/10');
         });
 
-        it('treats zero-confirmation tiers as confirmed', () => {
+        it('returns compact progress at zero confirmations', () => {
             expect(
                 formatInvoicePaymentConfirmationStatus({
                     confirmations: 0,
-                    requiredConfirmations: 0,
+                    requiredConfirmations: 3,
                     format: 'compact'
                 })
-            ).toBe('Confirmed');
+            ).toBe('0/3');
         });
     });
 

backend/src/utils/invoice/formatInvoicePaymentConfirmationStatus.ts

@@ -1,9 +1,6 @@
 import { formatRelativeTimeAgo } from '../formatRelativeTimeAgo';
 import type { InvoicePaymentConfirmationStatusFormat } from './types/InvoicePaymentConfirmationStatusFormat';
 
-const formatRequiredConfirmationsLabel = (requiredConfirmations: number): string =>
-    requiredConfirmations === 0 ? '0 (tx-detected)' : String(requiredConfirmations);
-
 export const formatInvoicePaymentConfirmationStatus = ({
     confirmations,
     requiredConfirmations,
@@ -29,5 +26,5 @@ export const formatInvoicePaymentConfirmationStatus = ({
         return `${confirmations} / ${requiredConfirmations} confirmations · detected ${detectedAgo}`;
     }
 
-    return `${confirmations}/${formatRequiredConfirmationsLabel(requiredConfirmations)}`;
+    return `${confirmations}/${requiredConfirmations}`;
 };

backend/src/utils/invoice/toStorefrontInvoiceView.spec.ts

@@ -463,19 +463,6 @@ describe('toStorefrontInvoiceView', () => {
                 statusVariant: 'confirmed'
             });
         });
-
-        it('treats tx-detected invoices as confirmed for payment status display', async () => {
-            const payment = buildPayment({ confirmations: 0 });
-            const invoice = buildInvoice({
-                moneroDetails: buildMoneroDetails({ requiredConfirmations: 0 }),
-                payments: [payment]
-            });
-
-            const view = await toStorefrontInvoiceView(invoice);
-
-            expect(view.showRefresh).toBe(false);
-            expect(view.payments[0].confirmationStatus).toBe('Confirmed');
-        });
     });
 
     describe('overpayment', () => {