sync: bring over remaining release/custom-0.1.115 changes

- Extract PublicSettingsInjectionPayload named struct with drift test
- Add channel_monitor_default_interval_seconds to SSR injection
- Add image_output_price to SupportedModelChip
- Simplify AppSidebar buildSelfNavItems (admins see available channels)
- Add gateway WARN logs for 503 no-available-accounts branches
- Wire ChannelMonitorRunner into provideCleanup for graceful shutdown
- Add migrations 130/131 (CC template userid fix + mimicry field cleanup)
- Clean up fork-only features (sora, claude max simulation, client affinity)
- Remove ~320 obsolete i18n keys
- Add codexUsage utility, WechatServiceButton, BulkEditAccountModal
- Tidy go.sum

frontend/src/components/payment/__tests__/PaymentStatusPanel.spec.ts

@@ -96,36 +96,4 @@ describe('PaymentStatusPanel', () => {
     expect(wrapper.text()).toContain('payment.result.success')
     expect(wrapper.emitted('success')).toHaveLength(1)
   })
-
-  it('shows reopen button in QR mode when payUrl is also available', async () => {
-    const openSpy = vi.spyOn(window, 'open').mockReturnValue({ closed: false } as Window)
-
-    const wrapper = mount(PaymentStatusPanel, {
-      props: {
-        orderId: 42,
-        qrCode: 'https://pay.example.com/qr/42',
-        payUrl: 'https://pay.example.com/session/42',
-        expiresAt: '2099-01-01T12:30:00Z',
-        paymentType: 'alipay',
-        orderType: 'balance',
-      },
-      global: {
-        stubs: {
-          Icon: true,
-        },
-      },
-    })
-
-    await flushPromises()
-    expect(wrapper.text()).toContain('payment.qr.openPayWindow')
-
-    await wrapper.get('button.btn.btn-secondary.text-sm').trigger('click')
-    expect(openSpy).toHaveBeenCalledWith(
-      'https://pay.example.com/session/42',
-      'paymentPopup',
-      expect.any(String),
-    )
-
-    openSpy.mockRestore()
-  })
 })