feat(stock): stok kategorileri, ürün tipleri, hareketler ve FIFO SKT

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/features/households/service.ts

@@ -7,6 +7,7 @@ import { getDb } from "@/lib/db/mongo";
 import { connectMongoose } from "@/lib/db/mongoose";
 import { toObjectId } from "@/lib/object-id";
 import { installDefaultCategories } from "@/features/categories/service";
+import { installDefaultStockCategories } from "@/features/stock/service";
 import { HouseholdModel } from "@/models/household";
 import { HouseholdMemberModel } from "@/models/household-member";
 import type { HouseholdSettings } from "@/shared/schemas/household";
@@ -324,6 +325,8 @@ export async function adminCreateHousehold(
     );
     // Varsayılan Türkçe kategori seti aynı transaction'da (Bölüm 6.2).
     await installDefaultCategories(household!._id, actor, session);
+    // Varsayılan stok kategorileri (gider eşlemesi yukarıdaki kategorilerden).
+    await installDefaultStockCategories(household!._id, actor, session);
   });
   return ok({ id: createdId });
 }