fix(cmpp): honor UTC inbox retry leases

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

@@ -336,6 +336,14 @@ function createPrismaMock() {
       count: jest.fn().mockResolvedValue(0),
       findFirst: jest.fn().mockResolvedValue(null),
     },
+    smsApplicationDailyReservation: {
+      findUnique: jest.fn().mockResolvedValue(null),
+      create: jest.fn().mockResolvedValue({ id: 'daily-reservation-1' }),
+    },
+    phoneFrequencyReservation: {
+      findUnique: jest.fn().mockResolvedValue(null),
+      create: jest.fn().mockResolvedValue({ id: 'frequency-reservation-1' }),
+    },
     smsBillingRecord: {
       findFirst: jest.fn().mockResolvedValue(null),
       create: jest.fn().mockResolvedValue({ id: 'bill-1' }),
@@ -2194,6 +2202,34 @@ describe('SendChainService', () => {
     }
   });
 
+  it('persists an idempotent daily quota reservation with a Prisma Date value', async () => {
+    const { service, prisma } = createService();
+    prisma.$queryRaw.mockResolvedValueOnce([{ tenantId: 'tenant-1', dailyLimit: 100000, usedCount: 1 }]);
+
+    await expect((service as any).tryReserveDailySendQuota('app-1', 1, 'workflow-1:daily-quota'))
+      .resolves.toEqual({ dailyLimit: 100000, usedCount: 1, reserved: true });
+
+    expect(prisma.smsApplicationDailyReservation.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        reservationKey: 'workflow-1:daily-quota',
+        usageDate: expect.any(Date),
+      }),
+    });
+    expect(prisma.smsApplicationDailyReservation.create.mock.calls[0][0].data.usageDate.toISOString())
+      .toMatch(/^\d{4}-\d{2}-\d{2}T00:00:00\.000Z$/);
+  });
+
+  it('claims Inbox leases against UTC for timestamp-without-time-zone columns', async () => {
+    const { service, prisma } = createService();
+    prisma.$queryRaw.mockResolvedValueOnce([]);
+
+    await (service as any).submission.inboundEntry.claimInboundWorkflows(5);
+
+    const sql = prisma.$queryRaw.mock.calls[0][0].strings.join(' ');
+    expect(sql).toContain("NOW() AT TIME ZONE 'UTC'");
+    expect(sql).toContain('FOR UPDATE SKIP LOCKED');
+  });
+
   it('enqueues a freshly persisted inbound message without querying the task and message again', async () => {
     const { service, prisma } = createService();
     const add = jest.fn().mockResolvedValue(undefined);