feat: add signature quality period trends

api/src/operations/operations.service.spec.ts

@@ -677,6 +677,7 @@ describe('OperationsService', () => {
         averageArrivalMs: 1200,
         rowCount: 12,
       }])
+      .mockResolvedValueOnce([{ count: 4 }])
       .mockResolvedValueOnce([
         {
           signatureId: 'signature-1',
@@ -727,6 +728,18 @@ describe('OperationsService', () => {
         averageArrivalMs: 1800,
       },
     ]);
+    prisma.$queryRaw.mockResolvedValueOnce([
+      {
+        signatureId: 'signature-1',
+        channelId: 'channel-1',
+        channelName: '通道一',
+        carrier: 'mobile',
+        date: '2026-07-24',
+        businessMessageCount: 3,
+        deliveredMessageCount: 2,
+        deliveryRate: 66.7,
+      },
+    ]);
     const service = new OperationsService(prisma as never);
 
     await expect(service.signatureQuality({
@@ -736,6 +749,7 @@ describe('OperationsService', () => {
       pageSize: 5,
     })).resolves.toEqual({
       date: '2026-07-24',
+      selectedDaySignatureCount: 4,
       items: [expect.objectContaining({
         signatureId: 'signature-1',
         signatureName: '【测试签名】',
@@ -763,27 +777,31 @@ describe('OperationsService', () => {
           expect.objectContaining({ channelId: 'channel-1', carrier: 'mobile', drainageState: 'with', total: 4 }),
           expect.objectContaining({ channelId: 'channel-2', carrier: 'telecom', drainageState: 'without', total: 2 }),
         ],
+        dailyBreakdowns: [
+          expect.objectContaining({ channelId: 'channel-1', carrier: 'mobile', date: '2026-07-24', businessMessageCount: 3 }),
+        ],
       })],
       total: 12,
       page: 2,
       pageSize: 5,
     });
-    expect(prisma.$queryRaw).toHaveBeenCalledTimes(3);
+    expect(prisma.$queryRaw).toHaveBeenCalledTimes(5);
   });
 
   it('does not query channel details when the selected date has no registered signatures', async () => {
     const prisma = createPrismaMock();
-    prisma.$queryRaw.mockResolvedValueOnce([]);
+    prisma.$queryRaw.mockResolvedValueOnce([]).mockResolvedValueOnce([{ count: 0 }]);
     const service = new OperationsService(prisma as never);
 
     await expect(service.signatureQuality({ date: '2026-07-24' })).resolves.toEqual({
       date: '2026-07-24',
+      selectedDaySignatureCount: 0,
       items: [],
       total: 0,
       page: 1,
       pageSize: 10,
     });
-    expect(prisma.$queryRaw).toHaveBeenCalledTimes(1);
+    expect(prisma.$queryRaw).toHaveBeenCalledTimes(2);
   });
 
   it('returns trace details and reconciliation diffs', async () => {