Ask activity reminder channel: in-app notification and/or SMS.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/prisma/migrations/20260905020000_activity_reminder_channels/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "Activity" ADD COLUMN IF NOT EXISTS "reminderNotifyApp" BOOLEAN NOT NULL DEFAULT true;
+ALTER TABLE "Activity" ADD COLUMN IF NOT EXISTS "reminderNotifySms" BOOLEAN NOT NULL DEFAULT false;

apps/api/prisma/schema.prisma

@@ -368,6 +368,10 @@ model Activity {
   dueAt           DateTime?
   durationMinutes Int?
   reminderAt      DateTime?
+  /// اعلان داخل پنل هنگام رسیدن یادآور
+  reminderNotifyApp Boolean @default(true)
+  /// پیامک به موبایل مسئول هنگام رسیدن یادآور
+  reminderNotifySms Boolean @default(false)
   completedAt     DateTime?
   personId       String?
   person         Person?        @relation(fields: [personId], references: [id], onDelete: SetNull)