fix: implement channel group routing failover

api/src/send-chain/send-chain.service.spec.ts

@@ -27,7 +27,26 @@ function createPrismaMock() {
     rateLimitPerSecond: 100,
     unitPrice: 3,
     status: 'active',
+    carrier: 'mobile',
+    sendRegion: '全国',
     config: { serviceId: 'SMS' },
+    connectionStates: [{ status: 'online', currentConnections: 1, desiredConnections: 1 }],
+  };
+  const route = {
+    id: 'route-1',
+    tenantId: 'tenant-1',
+    applicationId: 'app-1',
+    groupId: 'group-1',
+    carrier: 'mobile',
+    priority: 100,
+    status: 'active',
+    group: {
+      id: 'group-1',
+      status: 'active',
+      retryEnabled: true,
+      retryTimeLimitHours: 72,
+      items: [{ id: 'item-1', groupId: 'group-1', channelId: 'channel-1', priority: 1, province: null, channel }],
+    },
   };
   return {
     tenant: {
@@ -65,7 +84,13 @@ function createPrismaMock() {
       groupBy: jest.fn().mockResolvedValue([{ status: 'delivered', _count: { _all: 1 } }]),
     },
     channelRouteRule: {
-      findFirst: jest.fn().mockResolvedValue(null),
+      findFirst: jest.fn().mockResolvedValue(route),
+    },
+    phoneCarrierRule: {
+      findMany: jest.fn().mockResolvedValue([{ carrier: 'mobile', pattern: '^13[4-9]', priority: 1, status: 'active' }]),
+    },
+    phoneSegment: {
+      findUnique: jest.fn().mockResolvedValue({ prefix: '1380000', province: '山东', city: '济南' }),
     },
     smsChannel: {
       findFirst: jest.fn().mockResolvedValue(channel),
@@ -77,7 +102,7 @@ function createPrismaMock() {
     smsSubmitRecord: {
       create: jest.fn().mockResolvedValue({ id: 'submit-1' }),
       updateMany: jest.fn().mockResolvedValue({ count: 1 }),
-      findMany: jest.fn(),
+      findMany: jest.fn().mockResolvedValue([]),
     },
     smsReceiptRecord: {
       create: jest.fn().mockResolvedValue({ id: 'receipt-1' }),
@@ -316,7 +341,15 @@ describe('SendChainService', () => {
   });
 
   it('releases reservation for rejected submit result and refunds failed receipts', async () => {
-    const { service, billing } = createService();
+    const { service, prisma, billing } = createService();
+    prisma.channelRouteRule.findFirst.mockResolvedValue({
+      id: 'route-1',
+      tenantId: 'tenant-1',
+      applicationId: 'app-1',
+      groupId: 'group-1',
+      carrier: 'mobile',
+      group: { id: 'group-1', status: 'active', retryEnabled: false, retryTimeLimitHours: 72, items: [] },
+    });
 
     await service.handleSubmitResult({
       messageId: 'MSG-1',