fix wechat virtual payment coin flow

miniprogram/pages/wechat-pay/index.shared.js

@@ -105,6 +105,10 @@ function requestOrdinaryPayment(payParams) {
 function requestVirtualPayment(payParams) {
   return new Promise((resolve) => {
     if (!canUseVirtualPayment() || typeof wx.requestVirtualPayment !== 'function') {
+      console.error('[wechat-pay] requestVirtualPayment unavailable', {
+        canUseVirtualPayment: canUseVirtualPayment(),
+        hasRequestVirtualPayment: typeof wx.requestVirtualPayment === 'function',
+      });
       resolve({
         status: 'fail',
         errorMessage: '当前微信基础库不支持 requestVirtualPayment',
@@ -120,6 +124,7 @@ function requestVirtualPayment(payParams) {
         resolve({ status: 'success', errorMessage: '' });
       },
       fail(error) {
+        console.error('[wechat-pay] requestVirtualPayment failed', error);
         resolve({
           status: resolvePayStatus(error),
           errorMessage: normalizePayError(error),

miniprogram/pages/wechat-pay/index.test.js

@@ -11,6 +11,7 @@ const {
 
 describe('wechat-pay mini program payment bridge', () => {
   beforeEach(() => {
+    vi.spyOn(console, 'error').mockImplementation(() => {});
     globalThis.wx = {
       requestPayment: vi.fn(),
       requestVirtualPayment: vi.fn(),
@@ -100,8 +101,12 @@ describe('wechat-pay mini program payment bridge', () => {
   });
 
   test('maps virtual payment cancel errCode to cancel result', async () => {
+    const payError = {
+      errCode: -2,
+      errMsg: 'requestVirtualPayment:fail cancel',
+    };
     globalThis.wx.requestVirtualPayment.mockImplementationOnce((options) => {
-      options.fail?.({ errCode: -2, errMsg: 'requestVirtualPayment:fail cancel' });
+      options.fail?.(payError);
     });
 
     await expect(
@@ -118,6 +123,10 @@ describe('wechat-pay mini program payment bridge', () => {
         errMsg: 'requestVirtualPayment:fail cancel',
       }),
     });
+    expect(console.error).toHaveBeenCalledWith(
+      '[wechat-pay] requestVirtualPayment failed',
+      payError,
+    );
   });
 
   test('page notifies previous web-view after virtual payment', async () => {