fix: track live downstream cmpp connections

api/prisma/migrations/20260711193000_add_cmpp_downstream_connections/migration.sql

@@ -0,0 +1,29 @@
+CREATE TABLE "CmppDownstreamConnection" (
+    "id" TEXT NOT NULL,
+    "tenantId" TEXT NOT NULL,
+    "applicationId" TEXT NOT NULL,
+    "account" TEXT NOT NULL,
+    "enterpriseCode" TEXT NOT NULL,
+    "connectionId" TEXT NOT NULL,
+    "remoteIp" TEXT,
+    "protocol" TEXT,
+    "status" TEXT NOT NULL DEFAULT 'connected',
+    "connectedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "lastHeartbeatAt" TIMESTAMP(3),
+    "lastSubmitAt" TIMESTAMP(3),
+    "lastDeliverAt" TIMESTAMP(3),
+    "disconnectedAt" TIMESTAMP(3),
+    "lastError" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "CmppDownstreamConnection_pkey" PRIMARY KEY ("id")
+);
+
+CREATE UNIQUE INDEX "CmppDownstreamConnection_connectionId_key" ON "CmppDownstreamConnection"("connectionId");
+CREATE INDEX "CmppDownstreamConnection_applicationId_status_updatedAt_idx" ON "CmppDownstreamConnection"("applicationId", "status", "updatedAt");
+CREATE INDEX "CmppDownstreamConnection_tenantId_status_updatedAt_idx" ON "CmppDownstreamConnection"("tenantId", "status", "updatedAt");
+CREATE INDEX "CmppDownstreamConnection_account_status_idx" ON "CmppDownstreamConnection"("account", "status");
+
+ALTER TABLE "CmppDownstreamConnection" ADD CONSTRAINT "CmppDownstreamConnection_tenantId_fkey" FOREIGN KEY ("tenantId") REFERENCES "Tenant"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+ALTER TABLE "CmppDownstreamConnection" ADD CONSTRAINT "CmppDownstreamConnection_applicationId_fkey" FOREIGN KEY ("applicationId") REFERENCES "SmsApplication"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

api/prisma/schema.prisma

@@ -40,6 +40,7 @@ model Tenant {
   smsUplinkMessages     SmsUplinkMessage[]
   smsUplinkMatchCandidates SmsUplinkMatchCandidate[]
   cmppDownstreamDeliveries CmppDownstreamDelivery[]
+  cmppDownstreamConnections CmppDownstreamConnection[]
   cmppConnectionStates  CmppConnectionState[]
   gatewayDownstreamRecoveryStatuses GatewayDownstreamRecoveryStatus[]
   gatewaySubmitDeadLetters GatewaySubmitDeadLetter[]
@@ -371,6 +372,7 @@ model SmsApplication {
   uplinkMessages SmsUplinkMessage[]
   uplinkMatchCandidates SmsUplinkMatchCandidate[]
   downstreamDeliveries CmppDownstreamDelivery[]
+  downstreamConnections CmppDownstreamConnection[]
   connectionStates CmppConnectionState[]
   gatewayDownstreamRecoveryStatuses GatewayDownstreamRecoveryStatus[]
   gatewaySubmitDeadLetters GatewaySubmitDeadLetter[]
@@ -550,6 +552,33 @@ model CmppConnectionState {
   @@index([channelId, status])
 }
 
+model CmppDownstreamConnection {
+  id                 String   @id @default(cuid())
+  tenantId           String
+  applicationId      String
+  account            String
+  enterpriseCode     String
+  connectionId       String   @unique
+  remoteIp           String?
+  protocol           String?
+  status             String   @default("connected")
+  connectedAt        DateTime @default(now())
+  lastHeartbeatAt    DateTime?
+  lastSubmitAt       DateTime?
+  lastDeliverAt      DateTime?
+  disconnectedAt     DateTime?
+  lastError          String?
+  createdAt          DateTime @default(now())
+  updatedAt          DateTime @updatedAt
+
+  tenant      Tenant         @relation(fields: [tenantId], references: [id])
+  application SmsApplication @relation(fields: [applicationId], references: [id])
+
+  @@index([applicationId, status, updatedAt])
+  @@index([tenantId, status, updatedAt])
+  @@index([account, status])
+}
+
 model SmsChannelGroup {
   id          String   @id @default(cuid())
   code        String   @unique