feat: add application interface controls

api/prisma/migrations/20260709143000_add_application_interface_switch/migration.sql

@@ -0,0 +1,4 @@
+-- AlterTable
+ALTER TABLE "SmsApplication"
+ADD COLUMN "interfaceEnabled" BOOLEAN NOT NULL DEFAULT true,
+ADD COLUMN "interfaceType" TEXT NOT NULL DEFAULT 'cmpp20';

api/prisma/schema.prisma

@@ -344,6 +344,8 @@ model SmsApplication {
   cmppAccount           String   @unique
   cmppEnterpriseCode    String
   secretHash            String
+  interfaceEnabled      Boolean  @default(true)
+  interfaceType         String   @default("cmpp20")
   cmppMaxConnections    Int      @default(1)
   cmppWindowSize        Int      @default(16)
   dailyLimit            Int?