fix: harden admin and CMPP delivery workflows

api/src/sms-config/sms-config.service.spec.ts

@@ -130,7 +130,8 @@ function createPrismaMock() {
       findUnique: jest.fn().mockResolvedValue(null),
       create: jest.fn().mockImplementation(({ data }) => Promise.resolve({ id: 'downstream-1', ...data })),
       update: jest.fn().mockImplementation(({ data }) => Promise.resolve({ id: 'downstream-1', ...data })),
-      updateMany: jest.fn().mockResolvedValue({ count: 0 }),
+      delete: jest.fn().mockResolvedValue({ id: 'downstream-1' }),
+      deleteMany: jest.fn().mockResolvedValue({ count: 0 }),
     },
     smsMessageRecord: {
       groupBy: jest.fn().mockResolvedValue([
@@ -264,7 +265,7 @@ describe('SmsConfigService', () => {
         tenantId: 'tenant-1',
         name: '优先应用',
         cmppAccount: '123456',
-        cmppEnterpriseCode: 'CUSTOM-EC',
+        cmppEnterpriseCode: '123456',
         secretHash: '1234567890abcdef',
         cmppMaxConnections: 3,
         cmppWindowSize: 32,
@@ -343,6 +344,7 @@ describe('SmsConfigService', () => {
       where: { id: 'app-1' },
       data: expect.objectContaining({
         name: '新应用',
+        cmppEnterpriseCode: '100001',
         customerUnitPrice: 300,
         queuePriority: 'priority',
         ipAllowlist: { create: [{ ipCidr: '10.0.0.1/32' }] },
@@ -467,6 +469,22 @@ describe('SmsConfigService', () => {
     expect(prisma.operationLog.create).not.toHaveBeenCalled();
   });
 
+  it('removes a disconnected downstream session instead of retaining connection history', async () => {
+    const prisma = createPrismaMock();
+    prisma.cmppDownstreamConnection.findUnique.mockResolvedValue({ id: 'downstream-1' });
+    const service = new SmsConfigService(prisma as never);
+
+    await expect(service.recordDownstreamConnectionEvent({
+      account: '100001',
+      connectionId: 'gateway-1-1',
+      status: 'disconnected',
+      errorMessage: 'client closed',
+    })).resolves.toEqual(expect.objectContaining({ status: 'disconnected', deleted: true }));
+
+    expect(prisma.cmppDownstreamConnection.delete).toHaveBeenCalledWith({ where: { id: 'downstream-1' } });
+    expect(prisma.cmppDownstreamConnection.update).not.toHaveBeenCalled();
+  });
+
   it('lists enterprise signatures with keyword filters and real relations', async () => {
     const prisma = createPrismaMock();
     const service = new SmsConfigService(prisma as never);