perf: add composite index on EventType(parentId, teamId) (#27099)

* perf: add composite index on EventType(parentId, teamId)

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* Apply suggestion from @keithwillcode

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

packages/prisma/migrations/20260121191700_add_eventtype_parentid_teamid_index/migration.sql

@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX "EventType_parentId_teamId_idx" ON "public"."EventType"("parentId", "teamId");

packages/prisma/schema.prisma

@@ -274,6 +274,7 @@ model EventType {
   @@index([scheduleId])
   @@index([secondaryEmailId])
   @@index([parentId])
+  @@index([parentId, teamId])
   @@index([restrictionScheduleId])
 }