chore: add 24/7 check to notification stuff

packages/db/prisma/migrations/20250902182024_add247_check/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Channel" ADD COLUMN     "is247" BOOLEAN NOT NULL DEFAULT false;

packages/db/prisma/schema.prisma

@@ -52,6 +52,7 @@ model Channel {
   followers Follow[] @relation("ChannelFollowers")
   streamKey StreamKey?
   obsChatGrantToken String @unique @default(cuid())
+  is247     Boolean @default(false)
   
   @@index([ownerId])
 }