feat: optimize routing and operations views

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

@@ -143,7 +143,7 @@ function createPrismaMock() {
       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' }),
+      findMany: jest.fn().mockResolvedValue([{ prefix: '1380000', province: '山东', city: '济南' }]),
     },
     smsChannel: {
       findFirst: jest.fn().mockResolvedValue(channel),
@@ -1873,6 +1873,26 @@ describe('SendChainService', () => {
     });
   });
 
+  it('reuses persisted carrier and province without querying routing dictionaries again', async () => {
+    const { service, prisma } = createService();
+    service['identifyCarrier'] = jest.fn();
+    service['identifyProvince'] = jest.fn();
+
+    await expect(service['selectChannelForMessage']({
+      id: 'record-1',
+      tenantId: 'tenant-1',
+      applicationId: 'app-1',
+      signatureId: 'sig-1',
+      phoneNumber: '13800000001',
+      carrier: 'mobile',
+      province: '山东',
+    })).resolves.toEqual(expect.objectContaining({ carrier: 'mobile', province: '山东' }));
+
+    expect(service['identifyCarrier']).not.toHaveBeenCalled();
+    expect(service['identifyProvince']).not.toHaveBeenCalled();
+    expect(prisma.smsMessageRecord.update).not.toHaveBeenCalled();
+  });
+
   it('updates submit result status, charges billing, and task progress', async () => {
     const { service, prisma, billing } = createService();