feat: densify sms records and improve uplink matching

api/prisma/migrations/20260826170000_add_uplink_gateway_message_id/migration.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "SmsUplinkMessage"
+ADD COLUMN "gatewayMessageId" TEXT;

api/prisma/schema.prisma

@@ -2116,21 +2116,22 @@ model SmsReceiptAnomaly {
 }
 
 model SmsUplinkMessage {
-  id              String   @id @default(cuid())
-  eventId         String?  @unique
-  tenantId        String?
-  applicationId   String?
-  channelId       String
-  messageRecordId String?
-  messageId       String?
-  sequenceId      Int?
-  phoneNumber     String
-  destId          String
-  content         String
-  matchStatus     String   @default("unmatched")
-  matchReason     String?
-  receivedAt      DateTime
-  createdAt       DateTime @default(now())
+  id               String   @id @default(cuid())
+  eventId          String?  @unique
+  tenantId         String?
+  applicationId    String?
+  channelId        String
+  messageRecordId  String?
+  messageId        String?
+  gatewayMessageId String?
+  sequenceId       Int?
+  phoneNumber      String
+  destId           String
+  content          String
+  matchStatus      String   @default("unmatched")
+  matchReason      String?
+  receivedAt       DateTime
+  createdAt        DateTime @default(now())
 
   tenant          Tenant?                   @relation(fields: [tenantId], references: [id])
   application     SmsApplication?           @relation(fields: [applicationId], references: [id])