fix: Add unique constraint to team and slug for attributes (#22357)

* Add unique constraint to team and slug

* Add migration file

packages/prisma/migrations/20250709150348_attributes_unique_on_slug_team_id/migration.sql

@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[teamId,slug]` on the table `Attribute` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- DropIndex
+DROP INDEX "Attribute_slug_key";
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Attribute_teamId_slug_key" ON "Attribute"("teamId", "slug");

packages/prisma/schema.prisma

@@ -1999,9 +1999,8 @@ model Attribute {
 
   type AttributeType
 
-  name String
-  slug String @unique
-
+  name    String
+  slug    String
   enabled Boolean @default(true)
 
   usersCanEditRelation Boolean @default(false)
@@ -2012,6 +2011,7 @@ model Attribute {
   isWeightsEnabled Boolean           @default(false)
   isLocked         Boolean           @default(false)
 
+  @@unique([teamId, slug])
   @@index([teamId])
 }