feat(people): align people, users, and categories with active inventory records

src/use-cases/person.use-cases.ts

@@ -248,10 +248,7 @@ export async function updatePersonUserUseCase(
 
   try {
     return await prisma.$transaction(async (tx) => {
-      const existing = await tx.person.findUnique({
-        where: { id },
-        select: { id: true, userId: true },
-      })
+      const existing = await PersonService.findById(id, tx)
 
       if (!existing) {
         return personError({ id: ["Person not found"] })